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nature, published online: 17 march 2025; doi:10.1038/s41586-025-08858-7author correction: b-cell-specific checkpoint molecules that regulate anti-tumour immunity


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nature, published online: 17 march 2025; doi:10.1038/d41586-025-00799-5alba graciela ávila bernal’s research focuses on power-storage technologies, but she also builds custom probes to test water quality.


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nature, published online: 17 march 2025; doi:10.1038/d41586-025-00795-9andrew robinson reviews five of the best science picks.


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nature, published online: 17 march 2025; doi:10.1038/d41586-025-00798-6scientists around the world are recognizing that their research method isn’t the only way.


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nature, published online: 17 march 2025; doi:10.1038/d41586-025-00692-1from owl surveys to peer review, israel’s researchers are maintaining regional and international ties despite boycotts and the risk of war resuming.


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nature, published online: 17 march 2025; doi:10.1038/d41586-025-00452-1it can be hard to say no to service requests in academia. nature’s careers team sought advice on how to ensure researchers don’t get stuck doing unpaid labour.


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nature, published online: 17 march 2025; doi:10.1038/d41586-025-00791-zthe importance of diversity in science is an unshakeable reality that the scientific community must stand by.


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nature, published online: 17 march 2025; doi:10.1038/d41586-025-00827-4spending on research, including at the nih, will see modest cuts this year. but the threat of big reductions in future remain.


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nature, published online: 17 march 2025; doi:10.1038/d41586-025-00794-wis a revolution of standards in public life the key to tackling our intertwined environmental crises? a compelling book argues it is.


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nature, published online: 17 march 2025; doi:10.1038/d41586-025-00622-1the recipients, all from african countries, were not the only beneficiaries, says rafiou agoro.


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the junction of immersive analytics and virtual reconstructions -- a case study on the mausoleum of emperor maxentius


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arxiv:2503.11653v1 announce type: new abstract: virtual archaeology has significantly evolved over the last decades through advancements in data acquisition and representation by, e.g., improved data recording technologies and virtual reality devices. immersive environments provide novel ways to present historical events or objects with high visual quality for both, the general public as well as researchers. here, we examine how the emerging field of immersive analytics can contribute to enhancing the understanding and exploration of archaeological data and explore the junction of virtual archaeology and immersive analytics, utilising reconstructions of the mausoleum of the late roman emperor maxentius in rome for argumentation. based on our work, we advocate the value of combining historical and computer science expertise for virtual reconstructions and immersive environments to facilitate deeper understanding and interactive exploration of archaeological data.


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arxiv:2503.11654v1 announce type: new abstract: the demand for memory technologies with high bandwidth, low power consumption, and enhanced reliability has led to the emergence of lpddr4x dram memory. however, power efficiency and reliability depend not only on the memory device but also on its interfacing. to enable advanced monitoring of lpddr4x dram devices and interface tuning, we propose a lpddr4x phy implemented in 12 nm finfet technology. a risc-v subsystem offers software-controlled dram interface access as well as external interfaces to connect additional sensors for monitoring temperature and current consumption of lpddr4x dram devices.


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arxiv:2503.11655v1 announce type: new abstract: recent advancements in large language models (llms) have significantly enhanced sentiment analysis capabilities. however, the trade-offs between model performance, efficiency, and explainability of some latest models remain underexplored. this study presents the first comprehensive evaluation of the deepseek-r1 series of models, reasoning open-source llms, for sentiment analysis, comparing them against openai's gpt-4 and gpt-4-mini. we systematically analyze their performance under few-shot prompting conditions, scaling up to 50-shot configurations to assess in-context learning effectiveness. our experiments reveal that deepseek-r1 demonstrates competitive accuracy, particularly in multi-class sentiment tasks, while offering enhanced interpretability through its detailed reasoning process. additionally, we highlight the impact of increasing few-shot examples on model performance and discuss key trade-offs between explainability and computational efficiency.


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arxiv:2503.11656v1 announce type: new abstract: rapid improvements in large language models have unveiled a critical challenge in human-ai interaction: sycophancy. in this context, sycophancy refers to the tendency of models to excessively agree with or flatter users, often at the expense of factual accuracy. while previous studies have primarily analyzed this behavior in single-turn interactions, its persistence and evolution in multi-step conversations remain largely unexplored. we introduce truth decay, a benchmark specifically designed to evaluate sycophancy in extended dialogues, where language models must navigate iterative user feedback, challenges, and persuasion. we prompt models to elicit four types of sycophantic biases. we then propose and test sycophancy reduction strategies, evaluating their effectiveness beyond single-step interactions.


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arxiv:2503.11657v1 announce type: new abstract: large language models have demonstrated remarkable capabilities in natural language processing tasks, including mathematical problem-solving that requires multi-step logical reasoning. however, challenges persist in automating the identification of key mathematical concepts, understanding their interrelations, and formalizing proofs within a rigorous framework. we present a novel framework that leverages knowledge graphs to augment llms to construct and formalize mathematical proofs. our results demonstrate significant performance improvements across multiple datasets, with using knowledge graphs, achieving up to a 34% success rate on the mustardsauce dataset on o1-mini and consistently outperforming baseline approaches by 2-11% across different models. we show how this approach bridges the gap between natural language understanding and formal logic proof systems and achieve elevated results for foundation models over baseline.


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arxiv:2503.11658v1 announce type: new abstract: in the domain of analog circuit design, the retrieval of circuit diagrams has drawn a great interest, primarily due to its vital role in the consultation of legacy designs and the detection of design plagiarism. existing image retrieval techniques are adept at handling natural images, which converts images into feature vectors and retrieval similar images according to the closeness of these vectors. nonetheless, these approaches exhibit limitations when applied to the more specialized and intricate domain of circuit diagrams. this paper presents a novel approach to circuit diagram retrieval by employing a graph representation of circuit diagrams, effectively reformulating the retrieval task as a graph retrieval problem. the proposed methodology consists of two principal components: a circuit diagram recognition algorithm designed to extract the circuit components and topological structure of the circuit using proposed gam-yolo model and a 2-step connected domain filtering algorithm, and a hierarchical retrieval strategy based on graph similarity and different graph representation methods for analog circuits. our methodology pioneers the utilization of graph representation in the retrieval of circuit diagrams, incorporating topological features that are commonly overlooked by standard image retrieval methods. the results of our experiments substantiate the efficacy of our approach in retrieving circuit diagrams across of different types.


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arxiv:2503.11659v1 announce type: new abstract: the increasing complexity of digital ecosystems and evolving cybersecurity threats have highlighted the limitations of traditional perimeter-based security models, leading to the growing adoption of zero trust architecture (zta). zta operates on the principle of "never trust, always verify", enforcing continuous authentication, conditional access, dynamic trust evaluation, and the principle of least privilege to enhance security across diverse domains. this study applies the prisma framework to analyze 10 years of research (2016-2025) on zta, presenting a systematic literature review (slr) that synthesizes its applications, enabling technologies, and associated challenges. it provides a detailed taxonomy that organizes zta's application domains, together with the emerging technologies that facilitate its implementation, and critically examines the barriers to zta adoption. additionally, the study traces the historical evolution of zta alongside notable events and publications trends while highlighting some potential factors for the surge over the past few years. this comprehensive analysis serves as a practical guide for researchers and practitioners seeking to leverage zta for stronger, more adaptive security frameworks in a rapidly shifting threat landscape.


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a 28 nm ai microcontroller with tightly coupled zero-standby power weight memory featuring standard logic compatible 4 mb 4-bits/cell embedded flash technology


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arxiv:2503.11660v1 announce type: new abstract: this study introduces a novel ai microcontroller optimized for cost-effective, battery-powered edge ai applications. unlike traditional single bit/cell memory configurations, the proposed microcontroller integrates zero-standby power weight memory featuring standard logic compatible 4-bits/cell embedded flash technology tightly coupled to a near-memory computing unit. this architecture enables efficient and low-power ai acceleration. advanced state mapping and an overstress-free word line (wl) driver circuit extend verify levels, ensuring robust 16 state cell margin. a ping-pong buffer reduces internal data movement while supporting simultaneous multi-bit processing. the fabricated microcontroller demonstrated high reliability, maintaining accuracy after 160 hours of unpowered baking at 125$^\circ$c.


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arxiv:2503.11662v1 announce type: new abstract: in chip design planning, obtaining reliable performance and power forecasts for various design options is of critical importance. traditionally, this involves using system-level models, which often lack accuracy, or trial synthesis, which is both labor-intensive and time-consuming. we introduce a new methodology, called lorecast, which accepts english prompts as input to rapidly generate layout-aware performance and power estimates. this approach bypasses the need for hdl code development or synthesis, making it both fast and user-friendly. experimental results demonstrate that lorecast achieves accuracy within a few percent of error compared to post-layout analysis.


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arxiv:2503.11663v1 announce type: new abstract: the computational and memory challenges of large language models (llms) have sparked several optimization approaches towards their efficient implementation. while prior llm-targeted quantization, and prior works on sparse acceleration have significantly mitigated the memory and computation bottleneck, they do so assuming high power platforms such as gpus and server-class fpgas with large off-chip memory bandwidths and employ a generalized matrix multiplication (gemm) execution of all the layers in the decoder. in such a gemm-based execution, data is fetched from an off-chip memory, computed and stored back. however, at reduced off-chip memory capacities, as is the case with low-power edge devices, this implementation strategy significantly increases the attention computation latency owing to the repeated storage and fetch of large intermediate tokens to and from the off-chip memory. moreover, fetching the weight matrices from a bandwidth constrained memory further aggravates the memory bottleneck problem. to this end, we introduce meadow, a framework that significantly reduces the off-chip memory access for llms with a novel token-parallel head-sequential (tphs) dataflow. additionally, meadow applies weight packing that performs loss-less decomposition of large weight matrices to their unique elements thereby, reducing the enormous weight fetch latency. meadow demonstrates 1.5x and 2.5x lower decode and prefill latency, respectively, compared to a gemm-based llm implementation on the low power xilinx zcu102 fpga platform that consumes less than 10w. additionally, meadow achieves an end-to-end latency improvement of over 40%, compared to prior llm optimization works.


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arxiv:2503.11686v1 announce type: new abstract: we present a review of the current and future industrial applications of neutrinos. we address the industrial applications of neutrinos in geological and geochemical studies of the earth's interior, in monitoring earthquakes, in terrestrial communications, in applications for submarines, in monitoring nuclear power plants and fusion reactors, in the management of fissile materials used in nuclear plants, in tracking nuclear tests, among other applications. we also address future possibilities for industrial applications of neutrinos, especially concerning communications in the solar system and geotomography of solar system bodies.


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arxiv:2503.11745v1 announce type: new abstract: lobbying systems are complex political networks that influence governmental decisions, with often profound socio-economic consequences on national and global scales. for most political systems, a comprehensive understanding of lobbying strategies and dynamics is likely to remain elusive as time-resolved system-spanning data and analysis are lacking. a notable exception is the united states (u.s.), where the lobbying disclosure act (lda) of 1995 mandates that all federal lobbying activities be disclosed in detailed quarterly reports. here, we introduce our recently completed relational lobbyview database that accounts for every reported lobbying instance since the implementation of the lda. we demonstrate how lobbyview can be used as a resource to quantify the salient aspects of the u.s.~lobbying, such as dynamical evolution, economic impacts, or political polarization. by analyzing the dynamic evolution of the lobbying network, we identify fundamental self-organization principles, such as the self-accelerating accumulation of influence within a small group of powerful lobbying firms. we further show how lobbyview data can be used to accurately measure the synchronization of lobbying activities with election cycles. finally, as a guide to future research, we illustrate how this data resource can enable quantitative time-resolved analysis to investigate a wide range of critical issues, including concentration of resources, demographic representation, and polarization dynamics in the u.s.~lobbying system. we envisage our database to be not only a potent resource for political and social scientists but also a starting point for quantitative interdisciplinary research, by leveraging insights and methods from statistical physics, systems biology, and machine learning.


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arxiv:2503.11747v1 announce type: new abstract: this technical monograph provides a comprehensive overview of the field of quantum biology. it approaches quantum biology from a physical perspective with core quantum mechanical concepts presented foremost to provide a theoretical foundation for the field. an extensive body of research is covered to clarify the significance of quantum biology as a scientific field, outlining the field's long-standing importance in the historical development of quantum theory. this lays the essential groundwork to enable further advances in nanomedicine and biotechnology. written for academics, biological science researchers, physicists, biochemists, medical technologists, and students of quantum mechanics, this text brings clarity to fundamental advances being made in the emerging science of quantum biology.


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direct experimental observation of total absorption and loss compensation using sound waves with complex frequencies


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arxiv:2503.11748v1 announce type: new abstract: in this study, we experimentally investigate the application of a transient signal with complex frequencies to the absorption and transmission of sound waves. indeed, the emission of a wave with an exponentially varying amplitude in time is analogous, in the frequency domain, to a monochromatic wave with spatial gain or loss. our results show that by exciting a non-critically coupled helmholtz resonator with a wave having a growing amplitude, total absorption can still be achieved. furthermore, the lossy propagation of a traveling wave in a duct is also studied, and it is shown that the losses embedded in the complex wavenumber can be compensated by using a transient signal with decreasing amplitude. these results confirm the potential of complex frequency excitation for exploring new means of manipulating sound waves to mimic gain and loss.


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arxiv:2503.11784v1 announce type: new abstract: this paper explores the effectiveness of using ordinal pattern probabilities to evaluate antipersistency in the sign decomposition of long-range anti-correlated gaussian fluctuations. it is numerically shown that ordinal patterns are able to effectively measure both persistent and antipersistent dynamics by analyzing the sign decomposition derived from fractional gaussian noise. these findings are crucial given that traditional methods such as detrended fluctuation analysis are unsuccessful in detecting anti-correlations in such sequences. the numerical results are supported by physiological and environmental data, illustrating its applicability in real-world situations.


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arxiv:2503.11799v1 announce type: new abstract: we investigate the effect of external horizontal magnetic field applied on the convection rolls obliquely (at an angle $\phi$ with the $x$-axis) in electrically conducting low prandtl number fluids under the paradigm of the rayleigh-b\'{e}nard convection by performing three-dimensional direct numerical simulations. the control parameters, namely, the chandrasekhar number ($\mathrm{q}$) and the reduced rayleigh number $r$ (ratio of rayleigh number to critical rayleigh number), are varied in the ranges $0 \leq \mathrm{q} \leq 1000$ and $1 \leq r \leq 20$ for the prandtl numbers $\mathrm{pr} = 0.1$ and $0.2$ by considering three horizontal aspect ratios ($\gamma$): $\frac{1}{2}$, $1$ and $2$. in the absence of the magnetic field, the convection starts in the form of steady rolls including the one parallel to the $x$-axis. as the oblique horizontal magnetic field is switched on at an angle $\phi \in (0^\circ, ~90^\circ]$ with the $x$-axis, it is observed that the lorentz force generated by the component of the magnetic field transverse to the axis of the convection rolls inhibits convection in the form of steady rolls. thus, with the application of the magnetic field, the convection is suppressed and restarts for a higher rayleigh number in the form of steady convection rolls. the rolls can either be oriented along the $x$-axis (steady parallel rolls, spr) or oriented at an angle $45^\circ$ (steady oblique rolls, sor$^+$) with the $x$-axis depending on the choices of the parameters. a rich bifurcation structure with standing and traveling patterns emerges at higher $r$. the oscillatory instability of steady rolls scales as \( \mathrm{q}^\alpha \) with distinct exponents for weak and strong magnetic fields. additionally, heat transfer decreases with increasing \( \phi \) for given \( \mathrm{q} \) and \( \mathrm{pr} \).


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arxiv:2503.11803v1 announce type: new abstract: removal strategies for atmospheric pollutants are increasingly being considered to mitigate global warming and improve public health. however, surface-based removal techniques, such as sorption, catalysis and filtration, are often limited by pollutant transport and removal rate constraints. we evaluate the atmospheric pollutant transport to surfaces and assess the potential of surface-based removal technologies for applications in airflow through cities, hvac systems and over vehicles. if these removal technologies are applied to their surfaces, cities, solar farms, hvac systems and filters can achieve atmospheric pollutant removal rates that exceed 1 gtco$_2$e annually (20-year gwp). cities have the highest atmospheric pollutant removal potential, with estimates averaging 30 gtco$_2$, 0.06 gtch$_4$, 0.0001 gtpm$_{2.5}$, 0.007 gtno$_\text{x}$ annually. hvac filters can achieve atmospheric pollutant removal costs as low as \$300 per tco$_2$e removed when sorption or catalyst technologies are incorporated into their fibre sheets, outperforming the \$2000 per tco$_2$e removal cost when these technologies are applied to city surfaces. this estimate is based on the literature values for these technologies' costs per square meter. however, our calculations indicate that optimising catalyst properties and surface coverage could lower the cost estimates to below \$100 per tco$_2$e across these applications. these findings demonstrate that integrating surface-based pollutant removal technologies into infrastructure may offer a scalable pathway to advance climate and health objectives.


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arxiv:2503.11825v1 announce type: new abstract: in this study, we revisit the pressure-strain interaction in kinetic turbulence, and in particular we re-examine the decomposition of pressure-strain interaction into compressive and incompressive parts. the pressure dilatation ingredient is clearly due to plasma compressions, but here using kinetic particle-in-cell (pic) simulations of plasma turbulence, it is demonstrated that the remaining anisotropic part, often called pi-d, also contains contributions due to compressive, non solenoidal velocities of the particle species. the compressive pi-d can play a significant role in systems with low plasma $\beta$ even if the system starts with small density variations. the compressive ingredient of pi-d is found to be anticorrelated with both incompressive pi-d and pressure dilatation.


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arxiv:2503.11839v1 announce type: new abstract: deterministic lateral displacement (dld) is a popular technique for size-based separation of particles. one of the challenges in design of dld chips is to eliminate the disturbance of fluid flow patterns caused by channel sidewalls intersecting with the pillars matrix. while there are numerous reports in the literature attempting to mitigate this issue by adjusting the gaps between pillars on the sidewalls and the closest ones residing on the bulk grid of dld array, there are only few works that also configure the axial gap of pillars adjacent to accumulation sidewall to maintain a desired local pressure field. in this work, we study various designs numerically to investigate the effects of geometrical configurations of sidewalls on critical diameter and first stream flux fraction variations across channel. our results show that regardless of the model used for boundary gap profile, applying a pressure balance scheme can improve the separation performance by reducing the critical diameter variations. in particular, we found that for a given boundary gap distribution, there can be two desired parameter sets with relatively low critical diameter variations. one is related to sufficiently low lateral resistance of interface unit cells next to accumulation sidewall, while the other one emerges by reducing the axial resistance of the interface unit cells to an appropriate extent. we believe that this work can pave the way for designing dld systems with improved performance, which can be critically important for applications such as separation of rare cells, among others, wherein target species need to be concentrated into as narrow a stream as possible downstream of device to enhance purity and recovery rate simultaneously.


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high magnetic sensitivity at the coercive field induced by shear horizontal saw in polycrystalline fega films


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arxiv:2503.11844v1 announce type: new abstract: a love wave device was designed to generate surface acoustic waves (saws) with strong shear-horizontal polarization, interacting with a polycrystalline fe72ga28 magnetostrictive layer. the shear strain induced by these waves at a frequency of approximately 160 mhz, coupled with magnetoelastic effects, leads to domain magnetization oscillation, resulting in unique responses that are particularly pronounced near the coercive field. experimental results reveal that the response of the sensor is highly sensitive to the angle between the applied magnetic field and the wave propagation direction, with profiles that can vary significantly depending on this angle, with some configurations resulting in practically opposite responses. a particularly relevant case arises when the magnetic field is aligned with the love wave propagation direction. in this case, the sensor response shows mainly a monotonic increase with the magnetic field, except near the coercive field, where a sharp peak emerges and then abruptly collapses, resulting in a magnetic sensitivity of 4.92 hz/nt. this high sensitivity near the coercive field opens the door to the development of high-performance sensors, simplifying electronics while leveraging the key advantages of saw technology, including low power consumption, compact size, real-time response, and portability. a theoretical model is also discussed to further understand the underlying phenomena and optimize the design of next-generation devices, which hold significant potential for sensor applications across various fields.


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arxiv:2503.11669v1 announce type: new abstract: motivated by the controversy in the chess community, where hikaru nakamura, a renowned grandmaster, has posted multiple impressive winning streaks over the years on the online platform chess.com, we derive the probabilities of various types of streaks in online chess and/or other sports. specifically, given the winning/drawing/losing probabilities of individual games, we derive the probabilities of "pure" winning streaks, non-losing streaks, and "in-between" streaks involving at most one draw over the course of games played in a period. the performance of the developed algorithms is examined through numerical studies.


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arxiv:2503.11670v1 announce type: new abstract: in the recent past, the work in the area of vanishing coefficients of infinite $q$-products has been taken to the forefront. weaving the same thread as ramanujan, richmond, szekeres, andrews, alladi, gordon, mc laughlin, baruah, kaur, tang, we further prove vanishing coefficients in arithmetic progressions moduli 5, 7, 11, 13, 19, 21, 23 and 29 of the following four families of infinite products, where $\{x_{a,b,sm,km,u,v}(n)\}_{n\geq n_0}$, $\{y_{a,b,sm,km,u,v}(n)\}_{n\geq n_0}$, $\{z_{a,b,sm,km,u,v}(n)\}_{n\geq n_0}$ and $\{w_{a,b,sm,km,u,v}(n) \}_{n\geq n_0}$ are defined by \begin{align*} \sum_{n\geq n_0}^{\infty}x_{a,b,sm,km,u,v}(n)q^n:=&(q^{a},q^{sm-a};q^{sm})_{infty}^u(q^{b},q^{km-b};q^{km})_{infty}^v, \\ \sum_{n\geq n_0}^{\infty}y_{a,b,sm,km,u,v}(n)q^n:=&(q^{a},q^{sm-a};q^{sm})_{infty}^u(-q^{b},-q^{km-b};q^{km})_{infty}^v, \\ \sum_{n\geq n_0}^{\infty}z_{a,b,sm,km,u,v}(n)q^n:=&(-q^{a},-q^{sm-a};q^{sm})_{infty}^u(q^{b},q^{km-b};q^{km})_{infty}^v,\\ \sum_{n\geq n_0}^{\infty}w_{a,b,sm,km,u,v}(n)q^n:=&(-q^{a},-q^{sm-a};q^{sm})_{infty}^u(-q^{b},-q^{km-b};q^{km})_{infty}^v, \end{align*} here $a, b, s, k, u$ and $v$ are chosen in such a way that the infinite products in the right-hand side of the above are convergent and $n_0$ is an integer (possibly negative or zero) depending on $a, b, s, k, u$ and $v$. the proof uses the jacobi triple product identity and the properties of ramanujan general theta function.


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arxiv:2503.11671v1 announce type: new abstract: in the study of ramanujan sums, the so-called regular a-function is a set-valued multiplicative function that tracks certain subsets of the divisor sets of natural numbers. mccarthy provided a generalization of the ramanujan sum using these regular a-function based arithmetic convolutions. recently, burnett and osterman extended this generalization to the semi-regular case. in this paper, we extend mccarthy's generalization in a different direction by considering two regular a-functions corresponding to both parameters in the ramanujan sum. this further generalization is motivated by the expansion of arithmetic functions based on arbitrary regular a-functions. fortunately, these sums exhibit several properties of ramanujan sums. we also generalize the greatest common divisor (gcd) function and the von sterneck formula. our introduction of two regular a-functions into these expressions enables us to explore a novel perspective on the connection between these expressions and the order relation between the two regular a-functions. in particular, we establish the necessary and sufficient conditions for orthogonality and dedekind-holder's identity (i.e., ramanujan sum = von sterneck function) to hold.


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arxiv:2503.11672v1 announce type: new abstract: the diophantine equation 4/n=1/x+1/y+1/z for a pythagorean prime n is split into two independent diophantine equations, which correspond to two different types of solution. the solvability of these equations forces certain restrictions on allowed pythagorean primes. empirical evidence suggests that these restrictions hold for all pythagorean primes, which i state as two independent conjectures. one can be formulated as follows: every pythagorean prime can be written as p=(4ab-1)(4c-1)-4abb/d, where a, b, c are natural numbers and d is a divisor of ab. the second conjecture reads: every pythagorean prime can be written as p=(4ab-1)(4c-1)-4ac, where a, b, c are natural numbers. i give a new straightforward plausibility for the latter conjecture (which has been formulated independently by other authors) and i outline a practicle and effective algorithm to determine a,b,c for a given p.


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arxiv:2503.11673v1 announce type: new abstract: the kolmogorov-smirnov (ks) statistic is a classical nonparametric test widely used for comparing an empirical distribution function with a reference distribution or for comparing two empirical distributions. despite its broad applicability in statistical hypothesis testing and model validation, certain aspects of the ks statistic remain under-explored among the young generation, particularly under finite sample conditions. this paper revisits the ks statistic in both one-sample and two-sample scenarios, considering one-sided and two-sided variants. we derive exact probabilities for the supremum of the empirical process and present a unified treatment of the ks statistic under diverse settings. additionally, we explore the discrete nature of the hitting times of the normalized empirical process, providing practical insights into the computation of ks test p-values. the study also discusses the dvoretzky-kiefer-wolfowitz-massart (dkwm) inequality, highlighting its role in constructing confidence bands for distribution functions. using empirical process theory, we establish the limit distribution of the ks statistic when the true distribution includes unknown parameters. our findings extend existing results, offering improved methodologies for statistical analysis and hypothesis testing using the ks statistic, particularly in finite sample scenarios.


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arxiv:2503.11675v1 announce type: new abstract: this paper describes preliminary investigation of hitomezashi stitching designs created on the isometric grid. an imposed constraint is that only every second line of stitching in each of the possible three directions is present. each vertex visited by the stitching has degree two. motifs and wallpaper patterns with three- and six-fold rotational symmetry are illustrated, in particular designs featuring the von koch snowflake iterates.


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arxiv:2503.11676v1 announce type: new abstract: let $p,q>1$ be two relatively prime integers and $\mathbb{n}$ the set of nonnegative integers. erd\h os conjectured and then birch proved that every sufficient large integer $n$ can be represented as a sum of distinct terms taken from $\{p^{\alpha}q^{\beta}:\alpha,\beta\in \mathbb{n}\}$. let $f(n)$ be the number of different expressions of $n$ as $n=\sum p^{\alpha}q^{\beta}$. by this term, birch's result can be translated as $f(n)>1$ provided that $n$ is sufficiently large. in this note, for all sufficiently large number $n$ we prove $$ f(n)=2^{\left(\frac{1}{2}+o(1)\right)\frac{(\log n)^2}{\log p\log q}}. $$


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arxiv:2503.11678v1 announce type: new abstract: we introduce the primary gasing triangle, a right triangle with a hypotenuse of 1 unit, to define the primary trigonometric functions: sine and cosine. this triangle serves as the foundational element in a new approach to learning trigonometry, enabling us to derive the derived gasing triangle, where the other four trigonometric functions (tangent, secant, cotangent, and cosecant) are defined. using the primary gasing triangle, we derive key trigonometric formulas, provide several proofs of the pythagorean theorem using trigonometry, and solve various trigonometry problems. this approach makes learning trigonometry simpler, easier, and more intuitive.


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arxiv:2503.11679v1 announce type: new abstract: origami is the art of paper folding, and it borrows its name from two japanese words \emph{ori} and \emph{kami}. in japanese, {ori} means folding, and the paper is called {kami}. while origami is just a hobby to most, there is a lot more to it. if you fold a square sheet of paper into any of the traditional origami model (for example the flapping bird) and unfold it, you can see crease patterns. these crease patterns tell us that there is a lot of geometry hidden behind the folds. in this article, we investigate the symbiotic relationship between mathematics and origami. the first part of this article explores the utility of origami in education. we will see how origami could become an effective way of teaching methods of geometry, mainly because of its experiential nature. complex origami patterns cannot be created out of thin air. they usually involve understanding deep mathematical theories and the ability to apply them to paper folding. in the second part of the article, we attempt to provide a glimpse of this beautiful connection between origami and mathematics.


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advancements in fractional neural operators with adaptive hybrid kernels in multiscale sobolev spaces


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arxiv:2503.11680v1 announce type: new abstract: this paper introduces significant advancements in fractional neural operators (fnos) through the integration of adaptive hybrid kernels and stochastic multiscale analysis. we address several open problems in the existing literature by establishing four foundational theorems. first, we achieve exact bias-variance separation for riemann-liouville operators using fractional prokhorov metrics, providing a robust framework for handling non-local dependencies in differential equations. second, we demonstrate l\'evy-regularized hadamard stability with sharp convergence rates in besov-morrey spaces, enhancing fno stability under heavy-tailed noise processes. third, we overcome the curse of dimensionality in multivariate settings by achieving tensorized rl-caputo convergence in rdrd with anisotropic h\"older regularity. finally, we develop a quantum-inspired fractional gradient descent algorithm that significantly improves convergence rates in practical applications. our proofs employ advanced techniques such as multiphase homogenization, malliavin-skorokhod calculus, and nonlocal divergence theorems, ensuring mathematical rigor and robustness. the practical implications of our work are demonstrated through applications in fusion plasma turbulence, where our methods yield a 70\% improvement over state-of-the-art fnos. this enhancement is particularly notable in modeling the multifractal {\delta}b{\delta}b fields in iter tokamak data, where the anisotropic penalty corresponds to enstrophy cascade rates in hasegawa-wakatani models, showcasing its versatility and potential for broader application.


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arxiv:2503.10651v1 announce type: new abstract: a high degree of linear polarization measured in the optical emission is an important observational feature of blazars. it provides strong evidence of the presence of relativistic particles and magnetic field ordering in the non-thermal emission regions of blazars owing to the synchrotron nature of low energy radiation. thus, the polarization studies of blazars are emerging as a promising approach to probe the particle acceleration and the physical processes involved in their broadband emission. in this work, we investigate the behavior of the optical polarization of the blazar 1es 1959+650 measured over a decade using the spectropolarimetry (spol) at the steward observatory. we use measurements of the degree of linear polarization and angle of polarization in the wavelength range 500 - 700 nm available during the period october 1, 2008 and june 30, 2018 (mjd 54739 - 58299) from the spol observations. near simultaneous photometry data in the r and v bands are also used to study the optical emission from the source. the maximum degree of linear polarization, measured as $\sim$ 8.5$\%$, is significantly larger than the long term average value of $\sim$ 4.6$\%$. analysis of the light curves indicates that the optical emission from the blazar 1es 1959+650 is highly variable and variability in the degree of linear polarization can be quantified by a fractional variability amplitude of $\sim$ 39$\%$ over the period of about ten years. long term optical emission in the r and v bands is very weakly anti-correlated with the degree of linear polarization. modelling of the polarization due to the synchrotron emission suggests that the observed degree of linear polarization can be broadly reproduced by a power law distribution of relativistic electrons gyrating in a spherical emission region permeated with chaotic and ordered magnetic fields.


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bridging machine learning and cosmological simulations: using neural operators to emulate chemical evolution


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arxiv:2503.10736v1 announce type: new abstract: the computational expense of solving non-equilibrium chemistry equations in astrophysical simulations poses a significant challenge, particularly in high-resolution, large-scale cosmological models. in this work, we explore the potential of machine learning, specifically neural operators, to emulate the grackle chemistry solver, which is widely used in cosmological hydrodynamical simulations. neural operators offer a mesh-free, data-driven approach to approximate solutions to coupled ordinary differential equations governing chemical evolution, gas cooling, and heating. we construct and train multiple neural operator architectures (deeponet variants) using a dataset derived from cosmological simulations to optimize accuracy and efficiency. our results demonstrate that the trained models accurately reproduce grackle's outputs with an average error of less than 0.6 dex in most cases, though deviations increase in highly dynamic chemical environments. compared to grackle, the machine learning models provide computational speedups of up to a factor of six in large-scale simulations, highlighting their potential for reducing computational bottlenecks in astrophysical modeling. however, challenges remain, particularly in iterative applications where accumulated errors can lead to numerical instability. additionally, the performance of these machine learning models is constrained by their need for well-represented training datasets and the limited extrapolation capabilities of deep learning methods. while promising, further development is required for neural operator-based emulators to be fully integrated into astrophysical simulations. future work should focus on improving stability over iterative timesteps and optimizing implementations for hardware acceleration. this study provides an initial step toward the broader adoption of machine learning approaches in astrophysical chemistry solvers.


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arxiv:2503.10739v1 announce type: new abstract: the most powerful cosmic engines in our universe are fueled by compact objects. these objects accrete large amounts of material and eject matter in the form of jets. recent groundbreaking discoveries of gravitational waves from merging compact objects and the direct imaging of the black hole shadows with the event horizon telescope represent major steps forward in our understanding of such systems. however, there exists a large population of stellar-mass compact objects in our own galaxy, present in x-ray binaries (xrbs), which provide better laboratories with which to study the processes of accretion and ejection. xrbs produce highly variable emissions on timescales ranging from milliseconds (for light-travel time in the region close to the compact object) to weeks (governing the mass-inflow process). therefore, high-time resolution observations can be a powerful tool to study these systems. however, as xrbs emit across the electromagnetic spectrum, a suite of facilities is needed to take full advantage of these techniques. the prima observatory (probe far-infrared mission for astrophysics) will provide unique access to a wavelength range that has not been sampled in xrbs, representing an exciting new possibility for characterizing rapid time-domain phenomena of xrbs (and potentially other transient sources) in the far-infrared regime.


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arxiv:2503.10747v1 announce type: new abstract: in classical diffusion, particle step-sizes have a gaussian distribution. however, in superdiffusion, they have power-law tails, with transport dominated by rare, long l\'evy flights. similarly, if the time interval between scattering events has power-law tails, subdiffusion occurs. both forms of anomalous diffusion are seen in cosmic ray (cr) particle tracking simulations in turbulent magnetic fields. they also likely occur if crs are scattered by discrete intermittent structures. anomalous diffusion mimics a scale-dependent diffusion coefficient, with potentially wide-ranging consequences. however, the finite size of galaxies implies an upper bound on step-sizes before crs escape. this truncation results in eventual convergence to gaussian statistics by the central limit theorem. using monte-carlo simulations, we show that this occurs in both standard finite-thickness halo models, or when cr diffusion transitions to advection or streaming-dominated regimes. while optically thick intermittent structures produce power-law trapping times and thus subdiffusion, gaussianization also eventually occurs on timescales longer than the maximum trapping time. anomalous diffusion is a transient, and converges to standard diffusion on the (usually short) timescale of particle escape, either from confining structures (subdiffusion), or the system as a whole (superdiffusion). thus, standard assumptions of classical diffusion are physically justified in most applications, despite growing simulation evidence for anomalous diffusion. however, if escape times are long, this is no longer true. for instance, anomalous diffusion in the cgm or icm would change cr pressure profiles. finally, we show the standard diagnostic for anomalous diffusion, $\langle d^2 \rangle \propto t^{\alpha}$ with $\alpha \neq 1$, is not justified for truncated l\'evy flights, and propose an alternative robust measure.


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arxiv:2503.10748v1 announce type: new abstract: we present sidm concerto: $14$ cosmological zoom-in simulations in cold dark matter (cdm) and self-interacting dark matter (sidm) models based on the symphony and milky way-est suites. sidm concerto includes one large magellanic cloud (lmc)-mass system (host mass $\sim 10^{11}~m_{\mathrm{\odot}}$), two milky way (mw) analogs ($\sim 10^{12}~m_{\mathrm{\odot}}$), two group-mass hosts ($\sim 10^{13}~m_{\mathrm{\odot}}$), and one low-mass cluster ($\sim 10^{14}~m_{\mathrm{\odot}}$). each host contains $\approx 2\times 10^7$ particles and is run in cdm and one or more strong, velocity-dependent sidm models. our analysis of sidm (sub)halo populations over seven subhalo mass decades reveals that: (i) the fraction of core-collapsed isolated halos and subhalos peaks at a maximum circular velocity corresponding to the transition of the sidm cross section from a $v^{-4}$ to $v^0$ scaling; (ii) sidm subhalo mass functions are suppressed by $\approx 50\%$ relative to cdm in lmc, mw, and group-mass hosts but are consistent with cdm in the low-mass cluster host; (iii) subhalos' inner density profile slopes, which are more diverse in sidm than in cdm, are sensitive to both the amplitude and shape of the sidm cross section. our simulations provide a benchmark for testing sidm predictions with astrophysical observations of field and satellite galaxies, strong lensing systems, and stellar streams. data products are publicly available at https://doi.org/10.5281/zenodo.14933624.


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arxiv:2503.10751v2 announce type: new abstract: we re-analysed alma observations of the [oiii]$\lambda$88$\mu$m emission line in jades-gs-z14.0, so far the most distant spectroscopically confirmed galaxy at z=14.18. our analysis shows a tentative detection of a velocity gradient of [oiii]$\lambda$88$\mu$m using three independent tests: 1) construction of moment maps; 2) extraction of integrated spectra from a grid of apertures; and 3) spectro-astrometry in both the image and uv planes. we performed kinematical fitting using the kinms code and estimated a dynamical mass of log$_{10}$(m$_{\rm dyn}$/$\rm m_\odot$)= 9.4$^{+0.8}_{-0.4}$, with the bulk of the uncertainties due to the degeneracy between dynamical mass and inclination. we measure an upper limit on the velocity dispersion ($\sigma_{v}$) of $$ 2.5. this result, if confirmed with higher-resolution observations, would imply that kinematically cold discs are already in place at $z\sim14$. comparison with mock observations from the serra cosmological simulations confirms that even low-resolution observations are capable of detecting a velocity gradient in $z>10$ galaxies as compact as jades-gs-z14.0. this work shows that deeper alma or jwst/nirspec ifs observations with high spatial resolution will be able to estimate an accurate dynamical mass for jades-gs-z14.0, providing an upper limit to the stellar mass of this over-luminous galaxy.


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parallel collisionless shocks in strongly magnetized electron-ion plasma. i. temperature anisotropies


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arxiv:2503.10758v1 announce type: new abstract: collisionless electron-ion shocks are fundamental to astrophysical plasmas, yet their behavior in strong magnetic fields remains poorly understood. using particle-in-cell (pic) simulations with the sharp-1d3v code, we investigate the role of the ion magnetization parameter $\sigma_i$ in parallel shock transitions. strongly magnetized converging flows ($\sigma_i > 1$) exhibit lower density compression ratios ($r \sim 2$), smaller entropy jumps, and suppressed particle acceleration, while maintaining pressure anisotropy stability due to conserved perpendicular temperatures across the shock, alongside increased parallel temperatures. in contrast, weakly magnetized shocks drive downstream mirror and firehose instabilities due to ion temperature anisotropy, which are suppressed in strongly magnetized cases. additionally, weakly magnetized shocks exhibit the onset of a supra-thermal population induced by shock-drift acceleration, with most of the upstream kinetic energy thermalized for both electrons and ions in the downstream region. our results demonstrate that perpendicular temperatures for both species are conserved in strongly magnetized cases and highlight deviations from standard ideal magnetohydrodynamic (mhd) behavior. these findings provide critical insights into the role of magnetic fields in parallel collisionless astrophysical shocks.


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arxiv:2503.10765v1 announce type: new abstract: since its inception, speckle interferometry has revolutionized high-resolution astronomical imaging, overcoming atmospheric challenges to achieve the diffraction limits of telescopes. almost a decade ago, in 2018, a pair of speckle cameras -- 'alopeke and zorro -- were installed at the twin 8.1-meter gemini north and south telescopes, two of the largest apertures in the world, in hawai'i and chile. equipped with dual blue and red channels, 'alopeke and zorro deliver high-resolution imaging across optical bandpasses from 350 to 1000 nm, which has led to crucial discoveries in both stellar multiplicity and exoplanetary science. furthermore, the broad and nonrestrictive access to these instruments, given by each gemini observatory partner and via the us noirlab open skies policy, has allowed our community to expand the applications of the instruments, supporting a wide range of scientific investigations from solar system bodies, to morphological studies of stellar remnants, to evolved stars, to transient phenomena. this paper reviews the instrument technology and observational capabilities, and highlights key scientific contributions and discoveries of 'alopeke and zorro, emphasizing the enduring importance of speckle interferometry in advancing modern observational astronomy and expanding the frontiers of astronomical research.


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arxiv:2503.10766v1 announce type: new abstract: modern studies of galaxy formation rely heavily on numerical simulations, which in turn require tools to identify and track self-bound structures in stars and dark matter. in this paper, we present bloodhound, a new halo tracking algorithm optimized to track and characterize substructure in cosmological simulations, a regime that is crucial for studies of the nature of dark matter but where standard methods often have difficulties. using simulations of milky way-mass haloes, we demonstrate that bloodhound extends subhalo tracking by $3-4\, \mathrm{gyr}$ on average, and significantly longer for subhaloes with small pericentres, relative to the widely used rockstar $+$ consistent-trees halo tracking pipeline. we also show that bloodhound provides continuous tracking, mitigating an issue for the standard technique where subhaloes can be lost and then found again -- but assigned to a new merger tree -- after several snapshots. this improved tracking leads to a substantially larger number of surviving subhaloes in the inner regions of dark matter haloes, which has several implications for studies of the milky way's satellite galaxy system and its use for constraining properties of dark matter. for example, within the radius where current surveys are complete to ultra-faint galaxies ($d_{\rm mw} \lesssim 50$ kpc), bloodhound finds more than twice as many subhaloes above the atomic cooling scale relative to the standard tracking method. our results underscore the importance of robust subhalo tracking techniques in advancing our understanding of galaxy formation and cosmological models.


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arxiv:2503.10768v1 announce type: new abstract: quasar absorption lines provide a unique window to the relationship between galaxies and the intergalactic medium during the epoch of reionization. in particular, high redshift quasars enable measurements of the neutral hydrogen content of the universe. however, the limited sample size of observed quasar spectra, particularly at the highest redshifts, hampers our ability to fully characterize the intergalactic medium during this epoch from observations alone. in this work, we characterize the distributions of mean opacities of the intergalactic medium in simulations from the cosmic reionization on computers (croc) project. we find that the distribution of mean opacities along sightlines follows a non-trivial distribution that cannot be easily approximated by a known distribution. when comparing the cumulative distribution function of mean opacities measurements in subsamples of sample sizes similar to observational measurements from the literature, we find consistency between croc and observations at redshifts $z\lesssim 5.7$. however, at higher redshifts ($z\gtrsim5.7$), the cumulative distribution function of mean opacities from croc is notably narrower than those from observed quasar sightlines implying that observations probe a systematically more opaque intergalactic medium at higher redshifts than the intergalactic medium in croc boxes at these same redshifts. this is consistent with previous analyses that indicate that the universe is reionized too early in croc simulations.


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arxiv:2503.11821v1 announce type: new abstract: in two-sided matching markets with contracts, quantile (or generalized median) stable mechanisms represent an interesting class that produces stable allocations which can be viewed as compromises between both sides of the market. these mechanisms balance the competing priorities of the parties while maintaining stability. this paper explores obvious manipulations of quantile stable mechanisms. unfortunately, we get that any quantile stable mechanism different to the doctor-proposal da is obviously manipulable. our findings highlight the trade-offs between robustness to manipulation and other desirable properties, such as equity, in the design of stable matching mechanisms.


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public sector efficiency in delivering social services and its impact on human development: a comparative study of healthcare and education spending in india, pakistan, and bangladesh


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arxiv:2503.12178v1 announce type: new abstract: the research investigates the effects of public spending on health and education in shaping the human development in south asian three countries: india, pakistan and bangladesh. the study uses the var (vector auto regression) model to estimate the effects on government spending on these sectors to evaluate the human development. the findings state that there are different degrees of impact in these three countries. in bangladesh and india, health spending increases the human development in short term. on the other hand education spending shows the significance on the hdi.moreover, the study also highlights that there are different levels of effectiveness of government spending across these three countries. in order to maximize the human development an optimum country specific strategies should be adopted.


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arxiv:2503.12378v1 announce type: new abstract: structural vector autoregressive (svar) models are widely used to analyze the simultaneous relationships between multiple time-dependent data. various statistical inference methods have been studied to overcome the identification problems of svar models. however, most of these methods impose strong assumptions for innovation processes such as the uncorrelation of components. in this study, we relax the assumptions for innovation processes and propose an identification method for svar models under the zero-restrictions on the coefficient matrices, which correspond to sufficient conditions for lu decomposition of the coefficient matrices of the reduced form of the svar models. moreover, we establish asymptotically normal estimators for the coefficient matrices and impulse responses, which enable us to construct test statistics for the simultaneous relationships of time-dependent data. the finite-sample performance of the proposed method is elucidated by numerical simulations. we also present an example of an empirical study that analyzes the impact of policy rates on unemployment and prices.


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arxiv:2503.12611v1 announce type: new abstract: we propose a function-on-function linear regression model for time-dependent curve data that is consistently estimated by imposing factor structures on the regressors. an integral operator based on cross-covariances identifies two components for each functional regressor: a predictive low-dimensional component, along with associated factors that are guaranteed to be correlated with the dependent variable, and an infinite-dimensional component that has no predictive power. in order to consistently estimate the correct number of factors for each regressor, we introduce a functional eigenvalue difference test. our setting allows us to construct a novel central limit theorem for the regression parameters in a fully functional model, making it possible to construct confidence bands and conduct statistical inference. the model is applied to forecast electricity price curves in three different energy markets. its prediction accuracy is found to be comparable to popular machine learning approaches, while providing statistically valid inference and interpretable insights into the conditional correlation structures of electricity prices.


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arxiv:2503.12672v1 announce type: new abstract: in this paper, we analyze how global optima of an agent's preferences can be reconstructed from the solutions found for local problems. a sheaf-theoretic analysis provides an abstract characterization of the global solution, and polynomial approximations are obtained when only a few local instances are available.


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financial adviser misconduct and labor market penalties: uncovering racial disparities in the absence of gender gaps


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arxiv:2503.12837v1 announce type: new abstract: using a comprehensive matched employer-employee dataset for u.s. financial advisers from 2008 to 2018, we revisit established evidence on labor market penalties following financial misconduct. prior studies report that female advisers are 20% more likely to exit their firms following misconduct and that similar disparities exist for non-white advisers. however, by disaggregating misconduct into distinct disclosure events - differentiating those that nearly always trigger job terminations from those that do not - we show that the apparent gender gap vanishes, while significant racial disparities persist. specifically, non-white advisers face approximately 24% higher job separation rates than their white counterparts. robustness checks confirm these findings across alternative specifications, suggesting that race-based differential treatment in the labor market is a distinct phenomenon warranting further investigation.


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arxiv:2503.13253v1 announce type: new abstract: this study explores the economic value of aleppo pine forests, a unique and threatened ecosystem in the border region of central tunisia. these forests play a vital role in supporting small rural communities, but face increasing pressures and restrictions on their use. this research aims to assign a monetary value to forest conservation, considering the region's specific socio-economic context. strategies for empowering local residents as key actors in developing sustainable cross-border initiatives are further investigated. employing the contingent valuation method, a survey of 350 local residents and international users was conducted to assess their willigness to pay fo forest conservation efforts. logistic regression analysis revealed that sociodemographic factors, such as monthly income and preferred payment method, significantly influence both and the likehood of participation. these findingd highlight the feasibility and importance of reconciling economic development with ecological sustainability in this critical region.


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tracking the hidden forces behind laos' 2022 exchange rate crisis and balance of payments instability


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arxiv:2503.13308v1 announce type: new abstract: this working paper uses a dynamic factor model ('the model') to identify underlying factors contributing to the debt-induced economic crisis in the people's democratic republic of laos ('laos'). the analysis aims to use the latent macroeconomic insights to propose ways forward for forecasting. we focus on laos's historic structural weaknesses to identify when a balance of payments crisis with either a persistent current account imbalance or rapid capital outflows would occur. by extracting latent economic factors from macroeconomic indicators, the model provides a starting point for analyzing the structural vulnerabilities leading to the value of the kip in usd terms dropping and contributing to inflation in the country. this findings of this working paper contribute to the broader literature on exchange rate instability and external sector vulnerabilities in emerging economies, offering insights on what constitutes as 'signals' as opposed to plain 'noise' from a macroeconomic forecasting standpoint.


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arxiv:2503.13323v1 announce type: new abstract: difference-in-differences (did) is arguably the most popular quasi-experimental research design. its canonical form, with two groups and two periods, is well-understood. however, empirical practices can be ad hoc when researchers go beyond that simple case. this article provides an organizing framework for discussing different types of did designs and their associated did estimators. it discusses covariates, weights, handling multiple periods, and staggered treatments. the organizational framework, however, applies to other extensions of did methods as well.


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arxiv:2503.13416v1 announce type: new abstract: we provide a decision-theoretic foundation for uncertainty about the correlation structure on a cartesian product of probability spaces. our contribution is two-fold: we first provide a full characterization of the set of possible correlations between subspaces as a convex polytope. its extreme points are identified as the local maxima of mutual information and as maximally zero probability measures. second, we derive an axiomatic characterization of preferences narrowing down the set of correlations a decision maker considers, making behavior about correlation testable. thereby, she may regard collections of subspaces as independent from one another. we illustrate our model and results in simple examples on climate change, insurance and portfolio choice.


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arxiv:2503.11661v1 announce type: new abstract: the chalk river laboratories (crl) site in ontario, canada, has long been a hub for nuclear research, which has resulted in the accumulation of legacy nuclear waste, including radioactive materials such as uranium, plutonium, and other radionuclides. effective management of this legacy requires precise contamination and risk assessments, with a particular focus on the concentration levels of fissile materials such as u-235. these assessments are essential for maintaining nuclear criticality safety. this study estimates the upper bounds of u-235 concentrations. we investigated the use of a hybrid parametric bootstrapping method and robust statistical techniques to analyze datasets with outliers, then compared these outcomes with those derived from nonparametric bootstrapping. this study underscores the significance of measuring u-235 for ensuring safety, conducting environmental monitoring, and adhering to regulatory compliance requirements at nuclear legacy sites. we used publicly accessible u-235 data from the eastern desert of egypt to demonstrate the application of these statistical methods to small datasets, providing reliable upper limit estimates that are vital for remediation and decommissioning efforts. this method seeks to enhance the interpretation of sensor data, ultimately supporting safer nuclear waste management practices at legacy sites such as crl.


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the new generalized odd median based unit rayleigh with a new shape oscillating hazard rate function


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arxiv:2503.11668v1 announce type: new abstract: in this paper, the author presents the generalized form of the median-based unit rayleigh (mbur) distribution, a novel statistical distribution that is specifically defined within the interval (0, 1) expressing oscillating hazard rate function. this generalization adds a new parameter to the mbur distribution that significantly addresses the unique characteristics of data represented as ratios and proportions, which are commonly encountered in various fields of research. the establishment of this generalization aims to deepen our understanding of these phenomena by providing a robust framework for analysis. the paper offers a thorough and meticulous derivation of the probability density function (pdf) for the mbur distribution, illuminating each phase of the process with clarity and precision.


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mealmeter: using multimodal sensing and machine learning for automatically estimating nutrition intake


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arxiv:2503.11683v1 announce type: new abstract: accurate estimation of meal macronutrient composition is a pre-perquisite for precision nutrition, metabolic health monitoring, and glycemic management. traditional dietary assessment methods, such as self-reported food logs or diet recalls are time-intensive and prone to inaccuracies and biases. several existing ai-driven frameworks are data intensive. in this study, we propose mealmeter, a machine learning driven method that leverages multimodal sensor data of wearable and mobile devices. data are collected from 12 participants to estimate macronutrient intake. our approach integrates physiological signals (e.g., continuous glucose, heart rate variability), inertial motion data, and environmental cues to model the relationship between meal intake and metabolic responses. using lightweight machine learning models trained on a diverse dataset of labeled meal events, mealmeter predicts the composition of carbohydrates, proteins, and fats with high accuracy. our results demonstrate that multimodal sensing combined with machine learning significantly improves meal macronutrient estimation compared to the baselines including foundation model and achieves average mean absolute errors (mae) and average root mean squared relative errors (rmsre) as low as 13.2 grams and 0.37, respectively, for carbohydrates. therefore, our developed system has the potential to automate meal tracking, enhance dietary interventions, and support personalized nutrition strategies for individuals managing metabolic disorders such as diabetes and obesity.


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investigating dimensionally-reduced highly-damped systems with multivariate variational mode decomposition: an experimental approach


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arxiv:2503.11689v1 announce type: new abstract: structural health monitoring (shm) is an essential engineering field aimed at ensuring the safety and reliability of civil infrastructures. this study proposes a methodology using multivariate variational mode decomposition (mvmd) for damage detection and modal identification. mvmd decomposes multi-sensor vibration responses into intrinsic modal components, facilitating the extraction of natural frequencies and damping ratios by analyzing amplitude decay in the identified modes. mode shapes are determined through peak-normalization of fourier spectra corresponding to each mode. the methodology is further applied to detect damage by identifying changes in the extracted modal parameters and spatial features of the structure. the proposed approach enables damage detection by tracking variations in modal parameters and spatial structural characteristics. to validate its efficacy, the methodology is applied to a benchmark eight-degree-of-freedom (8-dof) system from los alamos national laboratory (lanl), demonstrating its robustness in identifying structural damage under non-stationary excitation and narrowband frequency content. the results confirm that mvmd provides a reliable and adaptable framework for modal analysis and damage assessment in complex infrastructure systems, addressing key challenges such as environmental variability and practical scenarios.


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the impact of meteorological factors on crop price volatility in india: case studies of soybean and brinjal


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arxiv:2503.11690v1 announce type: new abstract: the price volatility of agricultural crops (commodities) is influenced by meteorological variables such as temperature and precipitation (and many other environmental, social and governance factors), which is a critical challenge in sustainable finance, agricultural planning, and policy-making. this paper studies the impact of meteorological variables on price volatility of agricultural crops. as case studies, we choose the two indian states of madhya pradesh (for soybean) and odisha (for brinjal). we employ an exponential generalized autoregressive conditional heteroskedasticity (egarch) model to estimate the conditional volatility of the log returns of crop prices from 2012 to 2024. this study further explores the cross-correlations between volatility and the meteorological variables. further, a granger-causality test is carried out to analyze the causal effect of meteorological variables on the price volatility. finally, the seasonal auto-regressive integrated moving average with exogenous regressors (sarimax) and long short-term memory (lstm) models are implemented as simple machine learning models of price volatility with meteorological factors as exogenous variables. we believe that this will illustrate the usefulness of simple machine learning models in agricultural finance, and help the farmers to make informed decisions by considering climate patterns and making beneficial decisions with regard to crop rotation or allocations. in general, implementing meteorological factors to assess agricultural performance could help to understand and reduce price volatility and possibly lead to economic stability.


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comparative study of the median based unit rayleigh and its generalized form the generalized odd median based unit rayleigh


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arxiv:2503.11700v1 announce type: new abstract: in the present paper, the author discusses the generalized odd median base unit rayleigh (gombur) in relation to the median based unit rayleigh (mbur) to evaluate the additive value of the new shape parameter on the estimation process as regards validity indices, goodness of fit statistics, estimated variances of the estimated parameters and their standard errors. this evaluation is conducted on real datasets. each dataset is analyzed by fitting different competitor distributions in addition to mbur and gombur distributions. the parameter estimation is achieved by applying maximum likelihood estimator (mle) using nelder mead optimizer.


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arxiv:2503.11712v1 announce type: new abstract: this is a comment on arxiv:2202.01553. in regression gaussian covariate p-values (davies and d{\"u}mbgen, arxiv:2202.01553) are used to control greedy forward subset selection by accounting for choosing the best when fitting many variables. here we outline a simple proof of their theorems 1 and 2, making alterations to simplify the exposition by including a new variable rather than excluding an included variable and some slight changes in notation.


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arxiv:2503.11729v1 announce type: new abstract: gas sampling methods have been crucial for the advancement of combustion science, enabling analysis of reaction kinetics and pollutant formation. however, the measured composition can deviate from the true one because of the potential residual reactions in the sampling probes. this study formulates the initial composition estimation in stiff chemically reacting systems as a bayesian inference problem, solved using the no-u-turn sampler (nuts). information loss arises from the restriction of system dynamics by low dimensional attracting manifold, where constrained evolution causes initial perturbations to decay or vanish in fast eigen-directions in composition space. this study systematically investigates the initial value inference in combustion systems and successfully validates the methodological framework in the robertson toy system and hydrogen autoignition. furthermore, a gas sample collected from a one-dimensional hydrogen diffusion flame is analyzed to investigate the effect of frozen temperature on information loss. the research highlights the importance of species covariance information from observations in improving estimation accuracy and identifies how the rank reduction in the sensitivity matrix leads to inference failures. critical failure times for species inference in the robertson and hydrogen autoignition systems are analyzed, providing insights into the limits of inference reliability and its physical significance.


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arxiv:2503.11738v1 announce type: new abstract: this paper proposes a new class of predictive models for survival analysis called generalized bayesian ensemble survival tree (gbest). it is well known that survival analysis poses many different challenges, in particular when applied to small data or censorship mechanism. our contribution is the proposal of an ensemble approach that uses bayesian bootstrap and beta stacy bootstrap methods to improve the outcome in survival application with a special focus on small datasets. more precisely, a novel approach to integrate beta stacy bayesian bootstrap in bagging tree models for censored data is proposed in this paper. empirical evidence achieved on simulated and real data underlines that our approach performs better in terms of predictive performances and stability of the results compared with classical survival models available in the literature. in terms of methodology our novel contribution considers the adaptation of recent bayesian ensemble approaches to survival data, providing a new model called generalized bayesian ensemble survival tree (gbest). a further result in terms of computational novelty is the implementation in r of gbest, available in a public github repository.


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proposal for the application of fractional operators in polynomial regression models to enhance the determination coefficient $r^2$ on unseen data


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arxiv:2503.11749v1 announce type: new abstract: since polynomial regression models are generally quite reliable for data with a linear trend, it is important to note that, in some cases, they may encounter overfitting issues during the training phase, which could result in negative values of the coefficient of determination $r^2$ for unseen data. for this reason, this work proposes the partial implementation of fractional operators in polynomial regression models to generate a fractional regression model. the goal of this proposal is to attempt to mitigate overfitting, which could improve the value of the coefficient of determination for unseen data, compared to the polynomial model, under the assumption that this would contribute to generating predictive models with better performance. the methodology for constructing these fractional regression models is detailed, and examples applicable to both riemann-liouville and caputo fractional operators are presented.


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arxiv:2503.11722v1 announce type: new abstract: this paper introduces a novel quantum algorithm that is able to classify a hierarchy of classes of imbalanced boolean functions. the fundamental characteristic of imbalanced boolean functions is that the proportion of elements in their domain that take the value $0$ is not equal to the proportion of elements that take the value $1$. for every positive integer $n$, the hierarchy contains a class of boolean functions defined based on their behavioral pattern. the common trait of all the functions belonging to the same class is that they possess the same imbalance ratio. our algorithm achieves classification in a straightforward manner as the final measurement reveals the unknown function with probability $1$. let us also note that the proposed algorithm is an optimal oracular algorithm because it can classify the aforementioned functions with a single query to the oracle. at the same time we explain in detail the methodology we followed to design this algorithm in the hope that it will prove general and fruitful, given that it can be easily modified and extended to address other classes of imbalanced boolean functions that exhibit different behavioral patterns.


key: original_description
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arxiv:2503.11724v1 announce type: new abstract: the processual consciousness interpretation (pci), as developed in arroyo (2024, chap. 5) and arroyo, nunes filho, and moreira dos santos (2024), proposes a process ontology as a solution to the measurement problem. this article presents the standard interpretation taken to its ultimate ontological consequences; introduces the pci; and offers reflections based on the questions raised about the pci during the xx anpof meeting, in the session of the wg on philosophy of the physical sciences.


key: original_description
string_value:
arxiv:2503.11767v1 announce type: new abstract: over the last decades, quantum key distribution (qkd) has risen as a promising solution for secure communications. however, like all cryptographic protocols, qkd implementations can open security vulnerabilities. until now, the study of physical vulnerabilities in qkd setups has primarily focused on the optical channel. in classical cryptoanalysis, power and electromagnetic side-channel analysis are powerful techniques used to access unwanted information about the encryption key in symmetric-key algorithms. in qkd they have rarely been used, since they require an eavesdropper to have access to alice or bob's setups. however, security proofs of qkd protocols generally assume that these setups are secure, making it crucial to understand the necessary security measures to ensure this protection. in this work, we propose and implement a power side-channel analysis to a qkd system, by exploiting the power consumption of the electronic driver controlling the electro-optical components of the qkd transmitter. qkd modules typically require very precise electronic drivers, such as field programmable gate arrays (fpgas). here, we show that the fpga's power consumption can leak information about the qkd operation, and consequently the transmitted key. the analysis was performed on the qkd transmitter at the university of padua. our results are consistent and show critical information leakage, having reached a maximum accuracy of 73.35% in predicting transmitted qubits at a 100 mhz repetition frequency.


key: original_description
string_value:
arxiv:2503.11782v1 announce type: new abstract: projective measurements are a key element in quantum physics and enable rich phenomena in monitored quantum dynamics. here, we show that the measurement outcomes, recorded during monitored dynamics, can provide crucial information about the properties of the monitored dynamical system itself. we demonstrate this for a floquet model of many-body localization, where we find that the prethermal many-body localized regime becomes unstable against rare measurements, yielding an unusual enhancement of quantum entanglement. through an unsupervised learning and mutual information analysis on the classical dataset of measurement outcomes, we find that the information loss in the system, reflected by the increased entanglement, is compensated by an emergent structure in this classical dataset. our findings highlight the crucial role of measurements and corresponding classical outcomes in capturing prethermal nonergodicity, offering a promising perspective for applications to other monitored quantum dynamics.


key: original_description
string_value:
arxiv:2503.11783v1 announce type: new abstract: we demonstrate that machine learning provides a powerful tool for discovering new approximate quantum error-correcting (aqec) codes beyond conventional algebraic frameworks. building upon results from hybrid quantum-classical learning, we construct two novel types of noise-strength-adapted (nsa) aqec codes, namely a self-complementary code and a pair-complementary code, which can outperform conventional codes for amplitude damping (ad) noise. the 4-qubit self-complementary nsa code outperforms its non-nsa counterpart in fidelity and knill-laflamme condition violation. the pair-complementary code, which has no known non-nsa analog, achieves even better performance with higher-order loss suppression and better fidelity. we further generalize both approaches to families of nsa ad codes of arbitrary system size, as well as an nsa variant of the 0-2-4 binomial code for single-photon loss. our results demonstrate that adaptation to noise strength can lead to significant improvements in error correction capability, and highlight how machine learning can help discover new valuable codes that may be missed through conventional algebraic approaches.


key: original_description
string_value:
arxiv:2503.11785v1 announce type: new abstract: quantum error mitigation (qem) has emerged as a powerful tool for the extraction of useful quantum information from quantum devices. here, we introduce the subspace noise tailoring (snt) algorithm, which efficiently combines the cheap cost of symmetry verification (sv) and low bias of probabilistic error cancellation (pec) qem techniques. we study the performance of our method by simulating the trotterized time evolution of the spin-1/2 fermi-hubbard model (fhm) using a variety of local fermion-to-qubit encodings, which define a computational subspace through a set of stabilizers, the measurement of which can be used to post-select noisy quantum data. we study different combinations of qem and encodings and uncover a rich phase diagram of optimal combinations, depending on the hardware performance, system size and available shot budget. we then demonstrate how snt extends the reach of current noisy quantum computers in terms of the number of fermionic lattice sites and the number of trotter steps, and quantify the required hardware performance beyond which a noisy device may outperform classical computational methods.


key: original_description
string_value:
arxiv:2503.11802v1 announce type: new abstract: we investigate phase transitions in the nonequilibrium dynamics of power-law interacting spin-1/2 bilayer xxz models, which have recently been shown to allow generation of entanglement in the form of two-mode squeezing. we find a transition between a phase characterized by heisenberg limited squeezing and a partially collective phase. we identify universal scaling of the squeezing dynamics in terms of system parameters and a divergent time-scale, establishing these as distinct dynamical phases. our work demonstrates a novel dynamical phase transition with potential applications in quantum sensing and quantum simulation in cold-atomic, molecular or rydberg platforms.


key: title
string_value:
high-efficiency, low-loss floquet-mode traveling wave parametric amplifier characterization and measurement


key: original_description
string_value:
arxiv:2503.11812v1 announce type: new abstract: advancing error-corrected quantum computing and fundamental science necessitates quantum-limited amplifiers with near-ideal quantum efficiency and multiplexing capability. however, existing solutions achieve one at the expense of the other. in this work, we experimentally demonstrate the first floquet-mode traveling-wave parametric amplifier (floquet twpa). fabricated in a superconducting-qubit process, our floquet twpa achieves minimal dissipation, quantum-limited noise performance, and broadband operation. our device exhibits $>20$-db amplification over a $3$-ghz instantaneous bandwidth, $<\!0.5$-db average in-band insertion loss, and the highest-reported intrinsic quantum efficiency for a twpa of $92.1\pm7.6\%$, relative to an ideal phase-preserving amplifier. when measuring a superconducting qubit, our floquet twpa enables a system measurement efficiency of $65.1\pm5.8\%$, the highest-reported in a superconducting qubit readout experiment utilizing phase-preserving amplifiers to the best of our knowledge. these general-purpose floquet twpas are suitable for fast, high-fidelity multiplexed readout in large-scale quantum systems and future monolithic integration with quantum processors.


key: original_description
string_value:
arxiv:2503.11823v1 announce type: new abstract: quantum walks in general graphs, or more specifically scattering on graphs, encompass enough complexity to perform universal quantum computation. any given quantum circuit can be broken down into single- and two-qubit gates, which then can be translated into subgraphs -- gadgets -- that implement such unitaries on the logical qubits, simulated by particles traveling along a sparse graph. in this work, we start to develop a full theory of multi-particle scattering on graphs and give initial applications to build multi-particle gadgets with different properties.


key: title
string_value:
application of the pontryagin maximum principle to the robust time-optimal control of two-level quantum systems


key: original_description
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arxiv:2503.11830v1 announce type: new abstract: we study the time-optimal robust control of a two-level quantum system subjected to field inhomogeneities. we apply the pontryagin maximum principle and we introduce a reduced space onto which the optimal dynamics is projected down. this reduction leads to a complete analytical derivation of the optimal solution in terms of elliptic functions and elliptic integrals. necessary optimality conditions are then obtained for the original system. these conditions are verified numerically and lead to the optimal control protocol. various examples, ranging from state-to-state transfer to the generation of a not gate, illustrate this study. the connection with other geometric optimization approaches that have been used to solve this problem is also discussed.


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france’s president opens debate over using country’s atomic arsenal as a deterrent against russia if us scales back its presence


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jakarta index among world’s worst performers as slowing consumption and government spending rattle investors


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japanese and south korean contractors gear up after donald trump threatens to withdraw us security umbrella


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https://www.marketwatch.com/story/30-rock-actor-will-arnett-sells-20-2-million-beverly-hills-home-to-paris-hiltons-brother-in-law-0386a301?mod=mw_rss_topstories


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will arnett has sold his beverly hills home to none other than paris hilton’s brother-in-law just 6 weeks after putting it on the market.


key: link
string_value:
https://www.marketwatch.com/story/longer-term-treasury-yields-rise-ahead-of-feds-two-day-policy-meeting-862d94f0?mod=mw_rss_topstories


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string_value:
bond yields inched higher as investors waited to see how the u.s. central bank may address recent signs of a slowing economy.


key: title
string_value:
‘in their last days, our parents changed their will’: they left me $250,000, but gave my sister $1 million. what should i do?


key: link
string_value:
https://www.marketwatch.com/story/my-parents-left-me-250k-but-gave-my-irrational-and-neurotic-sister-1-million-would-you-sever-all-ties-a26e5c12?mod=mw_rss_topstories


key: title
string_value:
recession fears are mounting — powell’s stances on these 4 issues could dictate america’s economic path in months ahead


key: link
string_value:
https://www.marketwatch.com/story/fed-is-likely-to-stand-pat-on-interest-rates-but-the-likelihood-of-bad-news-cuts-in-the-fall-is-rising-c6007555?mod=mw_rss_topstories


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string_value:
the federal reserve will hold its benchmark interest rate steady at its meeting this week, economists say, as it remains in a “wait-and-see” mode until the effects of president donald trump’s policies on the economic outlook become clearer.


key: link
string_value:
https://www.marketwatch.com/story/why-cruise-stocks-are-a-buy-now-according-to-this-analyst-f1de35e2?mod=mw_rss_topstories


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string_value:
cruise stocks have been falling, but j.p. morgan says buy because there have been no signs of reduced demand despite all the macro noise.


key: link
string_value:
https://www.marketwatch.com/story/tesla-sales-have-significantly-underperformed-in-all-key-regions-analyst-says-41d8e507?mod=mw_rss_topstories


key: link
string_value:
https://www.marketwatch.com/story/netflix-has-won-the-streaming-wars-now-what-d463e371?mod=mw_rss_topstories


key: original_description
string_value:
analyst firm moffettnathanson is raising its price target for netflix, saying it sees huge upside for the platform’s new advertising model as well as continued profit-margin growth.


key: link
string_value:
https://www.marketwatch.com/story/guess-stock-soars-26-after-clothing-company-gets-13-a-share-cash-offer-809f80f5?mod=mw_rss_topstories


key: original_description
string_value:
guess inc.’s stock soared 30% on monday after the maker of clothing, footwear and accessories said it received an offer from new york-based investment company whp global to take it private for $13 a share in cash.


key: link
string_value:
https://www.marketwatch.com/story/lucid-is-looking-for-a-new-ceo-why-that-may-be-a-good-thing-e8b241cf?mod=mw_rss_topstories


key: link
string_value:
https://www.marketwatch.com/story/pepsi-boosts-healthy-offerings-with-poppi-a-maker-of-prebiotic-drinks-8ceb9d31?mod=mw_rss_topstories


key: original_description
string_value:
the trump administration has used the wartime alien enemies act to deport hundreds of alleged venezuelan gang members to central america.


key: link
string_value:
https://www.cnbc.com/2025/03/17/trump-picks-fed-governor-michelle-bowman-to-replace-michael-barr-as-feds-supervision-head.html


key: link
string_value:
https://www.cnbc.com/2025/03/18/byd-shares-surge-after-ev-giant-announces-new-fast-charging-technology.html


key: original_description
string_value:
byd shares jumped on tuesday after the company announced a new technology that allows electric cars to be charged at a far faster rate than what rivals offer.


key: link
string_value:
https://www.cnbc.com/2025/03/17/trump-world-liberty-financial-crypto-sold-550-million-in-tokens.html


key: link
string_value:
https://www.cnbc.com/2025/03/18/itochu-marubeni-mitsubishi-mitsui-sumitomo-shares-rally-buffett-berkshire-hikes-stake.html


key: original_description
string_value:
shares in itochu, marubeni, mitsubishi, mitsui and sumitomo were up at least 4% shortly after the open.


key: link
string_value:
https://www.cnbc.com/2025/03/18/baidu-shares-jump-10percent-following-release-of-new-open-source-ai-models-.html


key: original_description
string_value:
shares of chinese tech giant baidu were trading up 10% in trading in asia, as investors reacted positively to a spate of ai model releases over the weekend.


key: title
string_value:
boeing starliner astronauts who were supposed to be in space for nine days returning to earth after nine months on iss


key: link
string_value:
https://www.cnbc.com/2025/03/18/boeing-starliner-astronauts-butch-wilmore-suni-williams-returning-spacex-iss.html


key: original_description
string_value:
two nasa astronauts are heading home on a spacex ship after about nine months at the international space station.


key: link
string_value:
https://www.cnbc.com/2025/03/17/walmart-klarna-nearing-ipo-wins-fintech-partnership-from-affirm.html


key: original_description
string_value:
the deal with walmart heightens the rivalry between affirm and klarna, two of the world's biggest bnpl players, just as klarna is set to go public.


key: link
string_value:
https://www.cnbc.com/2025/03/17/startup-rippling-sues-competitor-deel-claiming-a-spy-stole-sales-data.html


key: original_description
string_value:
rippling unknowingly hired a person who downloaded internal records and met with leadership at competitor deel, the lawsuit claims.


key: link
string_value:
https://www.cnbc.com/2025/03/18/baidu-once-chinas-generative-ai-leader-is-battling-to-regain-its-position.html


key: original_description
string_value:
baidu has released two new open-source ai models, including a reasoning model, as it vies to regain a leading position in china’s ai space.


key: original_description
string_value:
by luisa maria jacinta c. jocson, reporter money sent home by migrant filipinos rose by 2.9% year on year in january, the bangko sentral ng pilipinas (bsp) said on monday. cash remittances from overseas filipino workers (ofws) coursed through banks increased by 2.9% to $2.92 billion in january from $2.84 billion in the same month [&#8230;]


key: link
string_value:
https://www.bworldonline.com/top-stories/2025/03/18/659977/inflation-could-overshoot-2-4-range-in-second-half-bsp/


key: original_description
string_value:
the bangko sentral ng pilipinas (bsp) said inflation could overshoot the 2-4% target range in the second half of this year amid base effects. in its latest monetary policy report, the central bank said annual inflation is likely to settle within the 2-4% target band from this year to 2026 amid declining rice prices. “however, [&#8230;]


key: link
string_value:
https://www.bworldonline.com/top-stories/2025/03/18/659979/below-target-growth-likely-in-1st-half-of-2025/


key: original_description
string_value:
philippine economic growth is likely to fall short of the government’s target in the first two quarters, globalsource partners said. “our assessments show that gdp (gross domestic product) may be expected to increase within a narrow band over the next two quarters — rising from just above 5.7% in first quarter to approximately 5.9% in [&#8230;]


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string_value:
https://www.bworldonline.com/corporate/2025/03/18/659939/actis-invests-600m-for-40-stake-in-mterra-solar/


key: original_description
string_value:
mgen renewable energy, inc. (mgreen), through its subsidiary sp new energy corp. (spnec), said global investment firm actis rubyred (singapore) pte. ltd. has completed a $600-million transaction to acquire a 40% equity stake in mterra solar, mgreen’s solar development platform. “this landmark investment marks a major step forward in our mission to accelerate the clean [&#8230;]


key: link
string_value:
https://www.bworldonline.com/corporate/2025/03/18/659948/smc-leads-power-generation-with-22-44-market-share-erc/


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string_value:
the energy regulatory commission (erc) said san miguel corp. (smc) dominated the power generation sector with a 22.44% market share of the national grid as of end-2024. smc overtook aboitiz equity ventures (aev), the investment arm of the aboitiz group that controls aboitiz power, as the country’s largest power producer in terms of installed generating [&#8230;]


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string_value:
https://www.bworldonline.com/corporate/2025/03/18/659994/telcos-to-see-modest-growth-sustain-strong-credit-profile-says-creditsights/


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string_value:
philippine telecommunications (telco) companies are expected to see modest growth this year while maintaining a strong credit profile, driven by continued data and broadband expansion, according to financial research firm creditsights. “overall, we are comfortable with the resilient credit profiles of both globe and pldt, underpinned by their leading mobile and broadband market positions in [&#8230;]


key: original_description
string_value:
west zone water concessionaire maynilad water services is targeting a july 10 listing for its p49.15-billion initial public offering (ipo). the water provider filed a registration statement with the securities and exchange commission and a listing application with the philippine stock exchange (pse) for the ipo on monday, maynilad said in an e-mail statement. the [&#8230;]


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https://www.bworldonline.com/wp-content/uploads/2025/03/maynilad-water-treatment-facility-300x200.jpg


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string_value:
https://www.bworldonline.com/corporate/2025/03/18/659938/sm-prime-to-expand-solar-energy-capacity-this-year/


key: original_description
string_value:
sy-led property developer sm prime holdings, inc. plans to expand its solar energy capacity this year as part of its sustainability initiatives. the company aims to add 20 solar rooftop projects to optimize power consumption and enhance resilience against fluctuating energy costs, sm prime said in a regulatory filing on monday. sm prime currently operates [&#8230;]


key: link
string_value:
https://www.bworldonline.com/corporate/2025/03/18/659937/sugar-renewables-drag-urc-income-down-2-to-p12-5b/


key: original_description
string_value:
gokongwei-led food and beverage manufacturer universal robina corp. (urc) saw its net income decline by 2% to p12.5 billion in 2024 from p12.8 billion in 2023, weighed down by lower profit from its sugar and renewables segment. sales rose by 3% to p161.9 billion on volume growth across all divisions, urc said in a regulatory [&#8230;]


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string_value:
https://www.bworldonline.com/arts-and-leisure/2025/03/18/659745/cinepanalo-2025-pocket-reviews-diving-deep-and-finding-limitations/


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string_value:
while the seven full-length films and 24 student-led shorts of the 2nd edition of puregold’s cinepanalo film festival provide an exciting array of stories from all over the philippines to see, a shadow looms over the event due to a stark omission.


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string_value:
https://www.investing.com/news/stock-market-news/hong-kong-stocks-and-kiwi-rise-on-china-outlook-3933127


key: link
string_value:
https://www.investing.com/news/stock-market-news/explainerwhy-are-chinese-automakers-like-byd-launching-fastcharging-ev-systems-3933173


key: link
string_value:
https://www.investing.com/news/stock-market-news/chinas-xiaomi-raises-ev-delivery-target-for-2025-to-350000-3933292


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string_value:
https://www.investing.com/news/stock-market-news/blackrock-vanguard-state-street-ask-court-to-dismiss-us-antitrust-lawsuit-3933129


key: link
string_value:
https://www.investing.com/news/stock-market-news/trustpilot-beats-2024-forecasts-raises-2025-outlook-with-strong-ebitda-growth-3933278


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string_value:
https://www.investing.com/news/stock-market-news/end-of-us-exceptionalism-drives-bull-crash-in-investor-sentiment-bofa-3933277


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string_value:
https://www.investing.com/news/stock-market-news/indonesia-stocks-lower-at-close-of-trade-idx-composite-index-down-411-3933276


key: link
string_value:
https://www.investing.com/news/stock-market-news/kingswood-holdings-accepts-624m-takeover-bid-from-hsq-investment-93ch-3933273


key: link
string_value:
https://www.investing.com/news/stock-market-news/german-shares-rise-ahead-of-vote-on-debt-reforms-3933268


key: link
string_value:
https://www.investing.com/news/stock-market-news/nasa-astronauts-head-home-on-spacex-capsule-after-drawnout-space-station-stay-3933149


key: original_description
string_value:
google deepmind ceo demis hassabis said he thinks artificial general intelligence, or agi, will emerge in the next five or 10 years.


key: title
string_value:
singapore is more expensive than regional peers. so it's using a different playbook to attract visitors


key: link
string_value:
https://www.cnbc.com/2025/03/17/is-singapore-expensive-yes-but-travelers-visit-for-other-reasons.html


key: original_description
string_value:
singapore is one of the most expensive cities in the world, so it's using world-class attractions, business conferences and live events to attract visitors.


key: original_description
string_value:
the adage to never bet against the u.s. consumer still holds true — to some degree. february retail sales, while lower than expected, rose from a month before.


key: title
string_value:
billionaire ray dalio attributes his success to meditation — and shares his 'best advice' for others


key: original_description
string_value:
"whatever success i've had in life, has been more due to my meditating than anything else," said ray dalio, founder of bridgewater associates.


key: link
string_value:
https://www.cnbc.com/2025/03/17/oecd-cuts-us-and-global-economic-growth-outlooks-as-trumps-trade-tariffs-weigh.html


key: original_description
string_value:
"a series of recently announced trade policy measures will have implications for the economic outlook if sustained," the oecd said.


key: link
string_value:
https://www.cnbc.com/2025/02/26/register-now-applications-open-for-cnbcs-top-global-fintechs-list.html


key: original_description
string_value:
for the third year in a row, cnbc is working with market research firm statista to list the world's top financial technology companies.


key: link
string_value:
https://www.cnbc.com/2025/03/17/oil-rises-as-trump-says-iran-will-be-held-responsible-for-any-future-houthi-attacks.html


key: original_description
string_value:
houthi strikes have forced international shipping companies to re-route container ships that would normally pass through the red sea and suez canal.


key: link
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https://www.cnbc.com/2025/03/18/how-ai-can-help-care-for-elderly-people-a-company-in-japan-explains.html


key: original_description
string_value:
japan's sompo holdings, inc. is using artificial intelligence to help alleviate a critical shortage of workers needed to care for the country's aging population.


key: original_description
string_value:
the plan was to vigorously boost consumption, expand domestic demand, and "enhance consumption capacity by increasing income and reducing burdens."


key: link
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https://www.cnbc.com/2025/03/16/see-you-in-four-years-canada-flexes-economic-muscle-as-tariff-negotiations-continue.html


key: original_description
string_value:
trump's plans for tariffs and comments about canada becoming a state has enraged the country's consumers and politicians.


key: link
string_value:
https://www.marketwatch.com/story/jobless-claims-stay-low-in-latest-week-27b4b50b?mod=mw_rss_marketpulse


key: link
string_value:
https://www.marketwatch.com/story/consumer-credit-growth-soars-in-december-d405d18e?mod=mw_rss_marketpulse


key: link
string_value:
https://www.marketwatch.com/story/u-s-productivity-slows-down-in-fourth-quarter-while-unit-labor-costs-accelerate-3c2b9092?mod=mw_rss_marketpulse


key: link
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https://www.marketwatch.com/story/beyond-to-buy-rights-to-buy-buy-baby-brand-and-reunite-it-with-bed-bath-beyond-4383c6be?mod=mw_rss_marketpulse


key: link
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https://www.marketwatch.com/story/trump-asks-supreme-court-to-pause-tiktok-ban-2b724ae6?mod=mw_rss_marketpulse


key: link
string_value:
https://www.marketwatch.com/story/amazon-says-it-had-best-ever-thanksgiving-holiday-week-with-record-sales-and-number-of-items-sold-786e0143?mod=mw_rss_marketpulse


key: link
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https://www.marketwatch.com/story/u-s-stock-futures-and-bond-yields-drop-on-reports-putin-has-updated-nuclear-doctrine-4b9792c4?mod=mw_rss_marketpulse


key: title
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charter communications announces buyout deal for liberty broadband at terms above its previous proposal


key: link
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https://www.marketwatch.com/story/charter-communications-announces-buyout-deal-for-liberty-broadband-at-terms-above-its-previous-proposal-552f7acd?mod=mw_rss_marketpulse


key: link
string_value:
https://www.marketwatch.com/story/general-motors-unveils-new-all-electric-cadillac-called-the-vistiq-with-300-mile-range-c16fb8a6?mod=mw_rss_marketpulse


key: link
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https://www.marketwatch.com/story/vestas-wind-systems-stock-slumps-as-company-says-margins-to-be-at-low-end-of-guidance-a33bf5c4?mod=mw_rss_marketpulse


key: link
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https://www.fool.co.uk/2025/03/18/defence-spending-is-on-the-rise-and-this-uk-growth-stock-could-be-set-to-cash-in/


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with the uk ready to increase its defence spending, stephen wright thinks the stock likely to benefit the most isn’t rolls-royce or bae systems. the post defence spending is on the rise and this uk growth stock could be set to cash in appeared first on the motley fool uk.


key: title
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£11,000 in savings? here’s how investors could use that to target an annual passive income of £12,892 over time!


key: link
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https://www.fool.co.uk/2025/03/18/11000-in-savings-heres-how-investors-could-use-that-to-target-an-annual-passive-income-of-12892-over-time/


key: original_description
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money put into high-dividend-paying shares with the returns used to buy more of them can generate potentially life-changing passive income. the post £11,000 in savings? here’s how investors could use that to target an annual passive income of £12,892 over time! appeared first on the motley fool uk.


key: link
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https://www.fool.co.uk/2025/03/18/down-10-and-15-in-a-month-2-cheap-shares-investors-might-consider-buying-with-2k-today/


key: original_description
string_value:
it's always a good time to buy cheap shares! harvey jones picks out two ftse 100 companies that have fallen sharply during recent stock market turbulence. the post down 10% and 15% in a month! 2 cheap shares investors might consider buying with £2k today appeared first on the motley fool uk.


key: link
string_value:
https://www.fool.co.uk/2025/03/18/heres-how-350-a-month-could-put-a-stock-market-beginner-on-the-road-to-wealth/


key: original_description
string_value:
interested in getting a foot on the stock market ladder? our writer breaks down the facts and figures so aspiring investors feel safe to get started. the post here’s how £350 a month could put a stock market beginner on the road to wealth! appeared first on the motley fool uk.


key: link
string_value:
https://www.fool.co.uk/2025/03/18/the-5-most-popular-ftse-100-shares-on-the-aj-bell-trading-platform/


key: original_description
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our writer’s been looking at the ftse 100’s most bought stocks on one particular investment platform. and he’s heartened by one of the choices. the post the 5 most popular ftse 100 shares on the aj bell trading platform appeared first on the motley fool uk.


key: original_description
string_value:
it’s never too early to start investing in stocks and shares through a sipp or isa. dr james fox explains how multi-millionaire status can be achieved. the post why isn’t everyone aiming for £37m in stocks and shares? appeared first on the motley fool uk.


key: link
string_value:
https://www.fool.co.uk/2025/03/18/heres-how-much-an-investor-needs-in-an-isa-to-generate-a-27500-second-income/


key: original_description
string_value:
imagine creating a second income that's the equivalent of the average post-tax salary in the uk. dr james fox explains how it might be done. the post here’s how much an investor needs in an isa to generate a £27,500 second income appeared first on the motley fool uk.


key: original_description
string_value:
tesco's valuation has dropped to multi-year lows after recent share price weakness. is now the time to consider buying the ftse 100 firm? the post here’s the tesco share price forecast for the next 12 months! appeared first on the motley fool uk.


key: link
string_value:
https://www.fool.co.uk/2025/03/17/just-released-februarys-higher-risk-high-reward-stock-recommendation-premium-picks-2/


key: original_description
string_value:
fire ideas will tend to be more adventurous and are designed for investors who can stomach a bit more volatility. the post just released: march&#8217;s higher-risk, high-reward stock recommendation [premium picks] appeared first on the motley fool uk.


key: link
string_value:
https://www.fool.co.uk/2025/03/17/i-asked-chatgpt-for-the-best-ftse-100-investment-trust-to-buy-heres-what-it-said/


key: original_description
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there aren't many ftse 100-listed investment trusts and according to chatgpt there’s only one winner. dr james fox explores. the post i asked chatgpt for the best ftse 100 investment trust to buy… here’s what it said appeared first on the motley fool uk.


key: link
string_value:
https://seekingalpha.com/article/4768338-capstone-copper-stock-solid-q4-2024-result-and-strong-2025-guidance?source=feed_all_articles


key: link
string_value:
https://seekingalpha.com/article/4768348-trump-tariffs-pose-risks-japan-monetary-policy-outlook-megabanks?source=feed_all_articles


key: link
string_value:
https://seekingalpha.com/article/4768337-codere-online-stock-solid-performance-amid-ongoing-risks-reiterate-hold?source=feed_all_articles


key: link
string_value:
https://seekingalpha.com/article/4768336-duke-energy-stock-why-i-own-it-during-volatile-markets?source=feed_all_articles


key: link
string_value:
https://seekingalpha.com/article/4768344-china-unveils-special-action-plan-boost-consumption?source=feed_all_articles


key: link
string_value:
https://seekingalpha.com/article/4768335-patience-for-crown-castle-and-its-new-strategy?source=feed_all_articles


key: link
string_value:
https://seekingalpha.com/article/4768333-aercap-stock-key-developments-2024-annual-report?source=feed_all_articles


key: link
string_value:
https://seekingalpha.com/article/4768328-progressive-stock-q4-strong-fundamentals-but-earning-multiples-elevated-hold-for-now?source=feed_all_articles


key: link
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https://finance.yahoo.com/news/elon-musk-and-sam-altman-finally-agree-on-something-when-their-courtroom-showdown-should-start-165356911.html


key: link
string_value:
https://finance.yahoo.com/news/nvidia-stock-slides-ahead-of-gtc-as-investors-look-to-new-blackwell-ultra-143639940.html


key: title
string_value:
s&p 500 price trend flashes warning signals but this expert says 'start looking for a buy signal' after last week's drawdown


key: link
string_value:
https://www.nasa.gov/centers-and-facilities/johnson/texas-high-school-aerospace-scholars-a-launchpad-for-future-innovators/


key: original_description
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nasa’s office of stem engagement at johnson space center offers texas high school students a unique gateway to the world of space exploration through the high school aerospace scholars (has) program. this initiative gives juniors hands-on experience, working on projects that range from designing spacecraft to planning mars missions.&#160; nearly 30 participants who have been [&#8230;]


key: original_description
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march 17, 2025 nasa is heading back to the state capitol in march for space day texas, a recognition of achievements throughout texas and a look ahead to the impact future human space exploration has on the lone star state. the two-day schedule of events and exhibits focusing on exploration, astronauts, and science, technology, engineering, [&#8230;]


key: link
string_value:
https://www.nasa.gov/centers-and-facilities/jpl/students-dive-into-robotics-at-competition-supported-by-nasa-jpl/


key: original_description
string_value:
robots built by high schoolers vied for points in a fast-moving game inspired by complex ocean ecosystems at the first robotics los angeles regional competition. high school students who spent weeks designing, assembling, and testing 125-pound rolling robots put their fast-moving creations into the ring over the weekend, facing off at the annual los angeles [&#8230;]


key: original_description
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a spacex falcon 9 rocket carrying the company&#8217;s dragon spacecraft is launched on nasa’s spacex crew-10 mission to the international space station with nasa astronauts anne mcclain and nichole ayers, jaxa (japan aerospace exploration agency) astronaut takuya onishi, and roscosmos cosmonaut kirill peskov onboard, friday, march 14, 2025, from nasa&#8217;s kennedy space center in florida. [&#8230;]


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string_value:
https://www.nasa.gov/news-release/nasa-firefly-invite-media-to-discuss-end-of-blue-ghost-moon-mission/


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nasa and firefly aerospace will host a news conference at 2 p.m. edt tuesday, march 18, from nasa’s johnson space center in houston to discuss the company’s successful blue ghost mission 1 on the moon’s surface. watch the news conference on&#160;nasa+. learn how to watch&#160;nasa content&#160;through a variety of platforms, including social media. u.s. media [&#8230;]


key: link
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https://www.nasa.gov/centers-and-facilities/goddard/new-modeling-assesses-age-of-next-target-asteroid-for-nasas-lucy/


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although nasa’s lucy spacecraft’s upcoming encounter with the asteroid donaldjohanson is primarily a mission rehearsal for later asteroid encounters, a new paper suggests that this small, main belt asteroid may have some surprises of its own. new modeling indicates that donaldjohanson may have been formed about 150 million years ago when a larger parent asteroid [&#8230;]


key: link
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https://science.nasa.gov/missions/webb/nasas-webb-images-young-giant-exoplanets-detects-carbon-dioxide/


key: original_description
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nasa’s james webb space telescope has captured direct images of multiple gas giant planets within an iconic planetary system. hr 8799, a young system 130 light-years away, has long been a key target for planet formation studies. the observations indicate that the well-studied planets of hr 8799 are rich in carbon dioxide gas. this provides […]


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help learners stemify their summer through hands-on and engaging activities curated by the nasa eclips team. you’ll find something for everyone – earth-based and out-of-this-world. this issue includes eclips videos, resources, and design challenges as well as partner activities and other recommended summer activities. we have organized them by the amount of time the activity […]


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fall back to school with this edition of the nasa eclips newsletter! educators are provided with a host of resources to help engineer a great school year! videos and activities focus on comparing science and engineering practices. two new spotlite design challenges are launched on climate change and earth-observing satellites! and a fun activity for […]


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editor’s note: this advisory was updated march 17, 2025, to add new nasa+ links for the return coverage events. additionally, updates to the return-to-earth media conference were made, including a change in participants and rsvp deadline for media to attend in-person at nasa’s johnson space center in houston. &#160; nasa will provide live coverage of [&#8230;]


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a combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, according to a new study.


key: original_description
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new modeling indicates the main belt asteroid (52246) donaldjohanson may have formed about 150 million years ago when a larger parent asteroid broke apart; its orbit and spin properties have undergone significant evolution since. when nasa's lucy spacecraft flies by this approximately three-mile-wide space rock on april 20, 2025, the data collected could provide independent insights on such processes based on its shape, surface geology and cratering history.


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ancient dna shows an endangered dove species endemic to cuba is more genetically distinct than the dodo was before it died out.


key: original_description
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the only iguanas outside the americas, fiji iguanas are an enigma. a new genetic analysis shows that they are most closely related to the north american desert iguana, having separated about 34 million years ago, around the same time that the islands emerged from the sea. this suggests that the iguanas rafted 5,000 miles across the pacific from western north america to reach fiji -- the longest known transoceanic dispersal of any land animal.


key: original_description
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a study shows that electrical charges in sprays of water can cause chemical reactions that form organic molecules from inorganic materials. the findings provide evidence that microlightning may have helped create the building blocks necessary for early life on the planet.


key: original_description
string_value:
astronomers have discovered two exoplanets around toi-1453, a star about 250 light years away. these two exoplanets, a super-earth and a sub-neptune, are common in the galaxy, yet are absent from our system. this discovery paves the way for future atmospheric studies to better understand these types of planets.


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water once existed in abundance of at the surface of mars. how much of that water has been stored in the planet's crust is still unclear, according to a new analysis.


key: original_description
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researchers have advanced a decades-old challenge in the field of organic semiconductors, opening new possibilities for the future of electronics. the researchers have created an organic semiconductor that forces electrons to move in a spiral pattern, which could improve the efficiency of oled displays in television and smartphone screens, or power next-generation computing technologies such as spintronics and quantum computing.


key: original_description
string_value:
a study highlights a new approach in addressing conductive hearing loss. a team of scientists has designed a new type of hearing aid that not only improves hearing but also offers a safe, non-invasive alternative to implantable devices and corrective surgeries.


key: original_description
string_value:
the 2025 u. s. state of the birds report, produced by a coalition of leading science and conservation organizations, reveals continued widespread declines in american bird populations across all mainland and marine habitats, with 229 species requiring urgent conservation action.


key: original_description
string_value:
unlike the previous fundraiser, this event did not appear on president donald trump’s official schedule.


key: image
string_value:
https://media.wired.com/photos/67d87b1672f3cfb6457630cf/master/pass/million-dollar-dinner-trump-politics-2205126566.jpg


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https://www.wired.com/story/everything-you-say-to-your-echo-will-be-sent-to-amazon-starting-march-28/


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amazon is killing its “do not send voice recordings” privacy feature on march 28 as the company aims to bolster alexa+, its new subscription assistant.


key: image
string_value:
https://media.wired.com/photos/67d85e1d66a17a14c827189f/master/pass/amazon-echo-privacy-sec-97612037%20.jpg


key: image
string_value:
https://media.wired.com/photos/67d71775e784d4b8067ba635/master/pass/record-player-turntable-vinyl-headphones-gettyimages-2163788608-eyeem-mobile-gmbh-(cropped).jpg


key: image
string_value:
https://media.wired.com/photos/67d6ff8715a0889a6cb0fb6e/master/pass/bitwarden-password-manager-(multiple-devieces)-source-bitwarden.jpg


key: original_description
string_value:
never miss a delivery. these wired-tested picks will help you keep tabs on your front door from anywhere.


key: image
string_value:
https://media.wired.com/photos/67d707e526827645179d3714/master/pass/best%20smart%20doorbells%20collage%20032025%20source%20simon%20hill.jpg


key: image
string_value:
https://media.wired.com/photos/67d6fc5779c15074178985f8/master/pass/best%20down%20comforters%20reviewer%20collage%20032025%20source%20martin%20cizmar-molly%20higgins-louryn%20strampe.jpg


key: original_description
string_value:
after testing nearly two dozen mattresses, i have some tips on how you can find the best mattress for you, from firmness and materials to deciphering warranties.


key: image
string_value:
https://media.wired.com/photos/67d6f63479c15074178985f6/master/pass/mattress-showroom-beds-furniture-store-gettyimages-1433340188-jackf-(cropped).jpg


key: original_description
string_value:
president trump’s anti-dei playbook doesn’t just affect the makeup of america’s workplaces. it also impacts cultural production. just ask netflix’s former head of diversity.


key: image
string_value:
https://media.wired.com/photos/67d21cea90f53a3ff103a42e/master/pass/netflix-dei-lead-culture-1203605173.jpg


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researchers at heriot-watt university have made a discovery that could pave the way for a transformative era in photonic technology. for decades, scientists have theorized the possibility of manipulating the optical properties of light by adding a new dimension—time. this once-elusive concept has now become a reality thanks to nanophotonics experts from the school of engineering and physical sciences in edinburgh, scotland.


key: original_description
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new theoretical physics research introduces a simulation method of machine-learning-based effective hamiltonian for super-large-scale atomic structures. this effective hamiltonian method could simulate much larger structures than the methods based on quantum mechanisms and classical mechanics.


key: original_description
string_value:
for decades, atomic clocks have been the pinnacle of precision timekeeping, enabling gps navigation, cutting-edge physics research, and tests of fundamental theories. but researchers at jila, led by jila and nist fellow and university of colorado boulder physics professor jun ye, in collaboration with the technical university of vienna, are pushing beyond atomic transitions to something potentially even more stable: a nuclear clock.


key: original_description
string_value:
researchers at ruhr university bochum, germany, have shed light on the structure of supercritical water. in this state, which exists at extreme temperatures and pressures, water has the properties of both a liquid and a gas at the same time. according to one theory, the water molecules form clusters, within which they are then connected by hydrogen bonds.


key: original_description
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a new analysis of 105-year-old data on the effectiveness of "dazzle" camouflage on battleships in world war i by aston university researchers professor tim meese and dr. samantha strong has found that while dazzle had some effect, the "horizon effect" had far more influence when it came to confusing the enemy.


key: original_description
string_value:
researchers at the university of gothenburg have developed a novel ising machine that utilizes surface acoustic waves as an effective carrier of dense information flow. this approach enables fast, energy-efficient solutions to complex optimization problems, offering a promising alternative to conventional computing methods based on von-neumann architecture. the findings are published in the journal communications physics.


key: title
string_value:
octupole excitation: research provides direct evidence for rare, pulsing pear shapes in gadolinium nuclei


key: original_description
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for the first time, scientists have acquired direct evidence of rare, pulsing pear-shaped structures within atomic nuclei of the rare-earth element gadolinium, thanks to new research led by the university of surrey, the national physical laboratory (npl) and the ifin-hh research institute in bucharest, romania.


key: original_description
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in their ongoing efforts to push the boundaries of quantum possibilities, physicists in arts & sciences at washington university in st. louis have created a new type of "time crystal," a novel phase of matter that defies common perceptions of motion and time.


key: original_description
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the collective motion of bacteria—from stable swirling patterns to chaotic turbulent flows—has intrigued scientists for decades. when a bacterial swarm is confined in small circular space, stable rotating vortices are formed. however, as the radius of this confined space increases, the organized swirling pattern breaks down into a turbulent state.


key: original_description
string_value:
in a comprehensive experimental study, an international team of researchers has confirmed the calculations of a leading turbulence simulation code to an unprecedented degree. this marks a major breakthrough in understanding turbulent transport processes in nuclear fusion devices.


key: original_description
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the conservative leader says the target is impossible "without a serious drop in our living standards or by bankrupting us".


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nigel farage welcomes new members to his party and dismisses rupert lowe row as "a bit of turbulence".


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the former head of ofsted amanda spielman says the government should "think again" on its reform proposals.


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refugee council said the number increased by five times in two years and those appealing still require accommodation.


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mental health charity mind warns it is important to be "extremely careful" with language around diagnoses.


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many usually loyal labour mps had voiced strong opposition to the idea of not increasing pip in line with inflation, as part of expected welfare cuts.


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former nasa astronaut josé hernández said monday that travel to mars is “a good 15 years away.” “as i&#8217;ve always said … space travel is not trivial, and so what we need to do next is, we&#8217;re going to retire the international space station, invest that — that operational money in developing a lunar base&#8230;


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the editorial board of the new york post went after tech billionaire elon musk on sunday, stating that he is “way out of his lane” in calling for the impeachment of a judge who temporarily blocked the trump administration from carrying out deportations under the alien enemies act. “elon musk is way out of his&#8230;


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president trump is displaying a copy of the declaration of independence in the oval office after requesting it from the national archives, according to a photograph he shared on monday. “the nationals archives delivered the declaration of independence to the white house at the president’s request. it is displayed in the oval office where it&#8230;


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president trump has tapped bryan bedford, the president and ceo of republic airways, to head the federal aviation administration (faa). “brian brings over three decades of experience in aviation and executive leadership to this critical position,” trump said in a truth social post. “bryan will work with our great secretary of transportation, sean duffy, to&#8230;


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president trump and his administration ramped up their confrontation with the judiciary to extraordinary heights monday, demanding that a judge whose ruling had incurred their disfavor should be removed from the case. that move comes amid a still-murky controversy over the extent to which the white house ignored the judge’s earlier order in the high-profile&#8230;


key: original_description
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two transgender service members are suing the trump administration over a pair of executive orders targeting transgender americans and their implementation by the u.s. military.&#160; the lawsuit filed monday in the u.s. district court for the district of new jersey by two transgender men — master sgt. logan ireland and staff sgt. nicholas bear bade&#8230;


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https://thehill.com/homenews/administration/5199631-trump-clash-with-courts-on-venezuela-flights-cues-concerns-of-constitutional-crisis/


key: original_description
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the trump administration’s removal of more than 130 venezuelans amid a court battle to block their deportation has ignited alarm it may have violated a court order barring its use of the alien enemies act. president trump on saturday signed an order igniting the 1798 law and invoking war powers to remove any venezuelan national&#8230;


key: image
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https://thehill.com/wp-content/uploads/sites/2/2025/03/trump_donald_03122025_gettyimages-2204786752.jpg?w=900


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{beacon} defense &#038;national security defense &#038;national security &#8202; the big story&#160; what to know about ongoing us strikes on houthis in yemen u.s. airstrikes on yemen’s houthi militants over the weekend continued into monday after defense secretary pete hegseth&#160;pledged an “unrelenting” campaign on the group. © ap “this campaign is about freedom of navigation and&#8230;


key: image
string_value:
https://thehill.com/wp-content/uploads/sites/2/2025/03/elsewhere-houthis-airstrikes_031525_ap_uncredited.jpg?w=900


key: original_description
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president trump said monday that two of president biden&#8217;s children — hunter biden and ashley biden — would no longer receive protection from the secret service. &#8220;please be advised that, effective immediately, hunter biden will no longer receive secret service protection. likewise, ashley biden who has 13 agents will be taken off the list,&#8221; trump&#8230;


key: link
string_value:
https://thehill.com/regulation/court-battles/5199572-judge-lashes-out-at-trump-admin-over-deportation-flights/


key: original_description
string_value:
a federal judge lashed out at the trump administration monday for refusing to answer questions about flights deporting venezuelan migrants under the alien enemies act after he ordered them to turn around the planes. it was a remarkable hearing in which a justice department attorney repeatedly declined to provide details about the flights that landed&#8230;


key: original_description
string_value:
it’s been difficult to find important questions that quantum computers can answer faster than classical machines, but a new algorithm appears to do it for some critical optimization tasks. the post quantum speedup found for huge class of hard problems first appeared on quanta magazine


key: image
string_value:
https://www.quantamagazine.org/wp-content/uploads/2025/03/hard-quantum-advantage_crdaniel-garcia-default.jpg


key: original_description
string_value:
the deceptively simple kakeya conjecture has bedeviled mathematicians for 50 years. a new proof of the conjecture in three dimensions illuminates a whole crop of related problems. the post ‘once in a century’ proof settles math’s kakeya conjecture first appeared on quanta magazine


key: link
string_value:
https://www.quantamagazine.org/new-conversations-deep-questions-bold-ideas-in-season-four-of-the-joy-of-why-20250313/


key: original_description
string_value:
steven strogatz and janna levin return for a new season on major scientific and mathematical questions of our time, with 12 all-new episodes and a new format. the post new conversations, deep questions, bold ideas in season four of ‘the joy of why’ first appeared on quanta magazine


key: image
string_value:
https://www.quantamagazine.org/wp-content/uploads/2025/03/jow-s4-trailer_crpetergreenwood-default-no-logo.jpg


key: link
string_value:
https://www.quantamagazine.org/the-road-map-to-alien-life-passes-through-the-cosmic-shoreline-20250312/


key: original_description
string_value:
astronomers are ready to search for the fingerprints of life in faraway planetary atmospheres. but first, they need to know where to look — and that means figuring out which planets are likely to have atmospheres in the first place. the post the road map to alien life passes through the ‘cosmic shoreline’ first appeared on quanta magazine


key: image
string_value:
https://www.quantamagazine.org/wp-content/uploads/2025/03/cosmicshoreline-crkristinaarmitage-default.webp


key: original_description
string_value:
larger models can pull off greater feats, but the accessibility and efficiency of smaller models make them attractive tools. the post why do researchers care about small language models? first appeared on quanta magazine


key: image
string_value:
https://www.quantamagazine.org/wp-content/uploads/2025/03/small-models-explainer_crcelsius-pictor-default.webp


key: original_description
string_value:
researchers show that precisely layering nano-thin materials creates excitons -- essentially, artificial atoms -- that can act as quantum information bits, or qubits.


key: original_description
string_value:
researchers have developed innovative methods to control the ionization of atoms and molecules using specially structured light beams, challenging traditional limits. this breakthrough could lead to advancements in imaging, particle acceleration, and quantum computing by precisely controlling electron ejection from atoms.


key: original_description
string_value:
researchers have experimentally recreated another fundamental theoretical model from quantum physics, which goes back to the nobel prize laureate werner heisenberg. the basis for the successful experiment is made of tiny carbon molecules known as nanographenes. this synthetic bottom-up approach enables versatile experimental research into quantum technologies, which could one day help drive breakthroughs in the field.


key: original_description
string_value:
curiosity about a mistake that left tiny dots on a germanium wafer with evaporated metal films led to the discovery of beautiful spiral patterns etched on the surface of the semiconductor by a chemical reaction. further experiments showed that the patterns arise from chemical reactions that are coupled to mechanical forces through the deformation of a catalyzing agent. the new system is the first major advance in experimental methods to study chemical pattern formation since the 1950s. studying these complex systems will help scientists understand other natural processes, from crack formation in materials to how stress influences biological growth.


key: original_description
string_value:
with today's data rates of only a few hundred megabytes per second, access to digital information remains relatively slow. initial experiments have already shown a promising new strategy: magnetic states can be read out by short current pulses, whereby recently discovered spintronic effects in purpose-built material systems could remove previous speed restrictions. researchers are now providing proof of the feasibility of such ultrafast data sources. instead of electrical pulses, they use ultrashort terahertz light pulses, thereby enabling the read-out of magnetic structures within picoseconds.


key: original_description
string_value:
physicists have created a new computer code that could speed up the design of the complicated magnets that shape the plasma in stellarators, making the systems simpler and more affordable to build.


key: original_description
string_value:
researchers have demonstrated that phosphorene nanoribbons (pnrs) exhibit both magnetic and semiconducting properties at room temperature. the research establishes pnrs as a unique class of low-dimensional materials that challenges conventional views on magnetic semiconductors, and could provide a stepping stone to unlocking new quantum technologies.


key: original_description
string_value:
where there's water, there are waves. but what if you could bend water waves to your will to move floating objects? scientists have now developed a technique to merge waves in a water tank to produce complex patterns, such as twisting loops and swirling vortices. some patterns acted like tweezers or a 'tractor beam' to hold a floating ball in place. other patterns made the ball spin and move precisely in a circular path. in the future, the technique could be scaled down to precisely move particles the size of cells for experiments, or scaled up to guide boats along a desired path on the water.


key: original_description
string_value:
an international collaboration has shown that additive manufacturing offers a realistic way to build large-scale plastic scintillator detectors for particle physics experiments.


key: original_description
string_value:
scientists have discovered 'berkelocene,' the first organometallic molecule to be characterized containing the heavy element berkelium. the breakthrough disrupts long-held theories about the chemistry of the elements that follow uranium in the periodic table.


key: original_description
string_value:
analysing the māori and pasifika sport the post manu jumping: the physics of making a bigger splash appeared first on physics world.


key: original_description
string_value:
a study probing quantum phenomena in brain neurons could provide fresh insight into how our brains function the post quantum behaviour in brain neurons looks theoretically possible appeared first on physics world.


key: original_description
string_value:
physics world joins 14,000 physicists in california the post global physics summit: this week, anaheim is the hub of world physics appeared first on physics world.


key: original_description
string_value:
new method in atom interferometry is used for inertial sensing the post magnetically launched atoms sense motion appeared first on physics world.


key: original_description
string_value:
iulia georgescu and matin durrani invite you to test your knowledge of the deep connections between physics, big data and ai the post are you better than ai? try our quiz to find out appeared first on physics world.


key: original_description
string_value:
new simulations reveal that the climate, atmospheric chemistry and even global photosynthesis would be dramatically disrupted by an asteroid collision the post how would an asteroid strike affect life on earth? appeared first on physics world.


key: link
string_value:
https://physicsworld.com/a/ionizing-radiation-its-biological-impacts-and-how-it-is-used-to-treat-disease/


key: original_description
string_value:
our podcast guests are npl’s ileana silvestre patallo and ruth mclauchlan of the nhs the post ionizing radiation: its biological impacts and how it is used to treat disease appeared first on physics world.


key: original_description
string_value:
noble gas forms compounds with iron at extremely high pressures the post earth’s core could contain lots of primordial helium, experiments suggest appeared first on physics world.


key: original_description
string_value:
us science continues to be hit hard by budget and staff cuts the post us science rues ongoing demotion of research under president trump appeared first on physics world.


key: original_description
string_value:
the aps has combined its march meeting and april meeting into the global physics summit, the largest physics conference in the world the post joint aps meeting brings together the physics community appeared first on physics world.


key: original_description
string_value:
geospace model version 2.0 begins operations in support of power gridson february 3, 2021*, geospace model version 2.0, which is part of the university of michigan’s space weather modeling framework, will commence operations in support of customers affected by geomagnetic disturbances. this model replaces version 1.5 which has been in operations since november 2017. the geospace model (swmf) is a coupled global magnetohydrodynamic (mhd) model of earth’s geospace environment that extends from near earth’s surface to 32 earth radii toward the sun on the dayside and 120 earth radii into earth’s magnetotail on the nightside. the geospace model utilizes three components of the university of michigan's space weather modeling framework (swmf). the model components are a global mhd magnetosphere, the rice convection model for the inner magnetosphere, and the ridley ionosphere model. model predictions include ground magnetic disturbances resulting from geospace interactions with the solar wind. such magnetic disturbances induce a geoelectric field that can drive currents (geomagnetically induced currents or gics) in large-scale electrical conductors, such as the power grid, and have the potential, during disturbed times, to damage such systems. short-term advanced warning from the model provides forecasters and power grid operators with situational awareness about harmful currents and allows time to mitigate the problem and maintain the integrity of the electric power grid. the most significant changes between version 1.5 and 2.0 are: increased resolution for solving the mhd equations in targeted regions of the grid, moving from ~ 1 million to 1.9 million grid cells improved auroral oval specification and more realistic representation of magnetospheric current systems new tail composition settings to better represent current systems responsible for the disturbance storm time index (dst) a new method for calculating a predicted-estimated kp (global geomagnetic activity index) based on magnetic variations from the geospace model processed by a kp algorithm that is the same as the one swpc uses for calculating kp from ground-based magnetometer stations. the geospace model products available on swpc website include: geospace geomagnetic activity plot, which shows solar wind input to the model as well as predicted kp and dst compared to the observed values geospace ground magnetic perturbation maps, which illustrate magnetic perturbations over north america, the polar regions, and the entire earth geospace magnetosphere movies, which show model density, velocity, and pressure in equatorial and meridian views in earth’s magnetosphere *delayed from january 28 because it changes are not permitted during severe weather in order to assure continuity of service.


key: original_description
string_value:
the sun (euv) coronal mass ejections the aurora goes x-ray flux goes proton flux updated time: noaa scales geomagnetic storms kp kp = 5 (g1) kp = 6 (g2) kp = 7 (g3) kp = 8, 9- (g4) kp = 9o (g5)


key: title
string_value:
grubmarket raises $50m at a $3.5b+ valuation to build ai for the $1 trillion food distribution industry


key: link
string_value:
https://techcrunch.com/2025/03/18/grubmarket-raises-50m-at-a-3-5b-valuation-to-build-ai-for-the-1-trillion-food-distribution-industry/


key: original_description
string_value:
u.s. president trump’s wide-ranging tariff hikes are already resulting in growth forecasts being cut amid other uncertainty — actions that will inevitably impact the technology sector, too. today, however, one food e-commerce startup, grubmarket, is announcing a new equity round of $50 million on a raised valuation of over $3.5 billion — a signal of [&#8230;] © 2024 techcrunch. all rights reserved. for personal use only.


key: link
string_value:
https://techcrunch.com/2025/03/18/google-speedinvest-back-kenyas-leta-which-uses-ai-to-make-logistics-cheaper/


key: original_description
string_value:
african businesses pay up to four times the global average to transport goods. nairobi-based logistics saas provider leta wants to change that. © 2024 techcrunch. all rights reserved. for personal use only.


key: original_description
string_value:
waymo has been given permission to map roadways at the san francisco international airport (sfo) via a temporary permit — the first step in the alphabet company&#8217;s bid to unlock a potentially lucrative use case for its robotaxis. the temporary permit, which was announced monday evening by san francisco mayor daniel lurie, kicked off march [&#8230;] © 2024 techcrunch. all rights reserved. for personal use only.


key: original_description
string_value:
google&#8217;s parent company alphabet is again in advanced talks to acquire cloud cybersecurity startup wiz, a person familiar with the deal told techcrunch. the two companies were close to securing a deal at a $23 billion valuation last summer, but the transaction failed to materialize.&#160; this time, the price being discussed is higher, the person [&#8230;] © 2024 techcrunch. all rights reserved. for personal use only.


key: original_description
string_value:
liam fedus, openai&#8217;s vp of research for post-training, is leaving the company to found a materials science ai startup. the information initially reported fedus&#8217; plans. in a statement on x, fedus confirmed the report and added a few additional details. &#8220;my undergrad was in physics and i’m keen to apply this technology there,&#8221; fedus said [&#8230;] © 2024 techcrunch. all rights reserved. for personal use only.


key: link
string_value:
https://techcrunch.com/2025/03/17/intel-could-be-in-for-significant-changes-as-lip-bu-tan-takes-on-ceo-role/


key: original_description
string_value:
intel&#8217;s new ceo lip-bu tan seems ready to get right to work to turn around the struggling company.&#160; the semiconductor giant&#8217;s new executive is considering sweeping changes for the company&#8217;s chip manufacturing and ai strategies, according to reuters, including cutting middle management staff and revamping the company&#8217;s approach to manufacturing chips. tan reportedly told company [&#8230;] © 2024 techcrunch. all rights reserved. for personal use only.


key: link
string_value:
https://techcrunch.com/2025/03/17/rippling-sues-deel-deel-denies-all-legal-wrongdoing-and-slack-is-the-main-witness/


key: original_description
string_value:
it’s gloves off in one of the more tense rivalries in the world of startups. hr company rippling monday morning announced a lawsuit against deel, another big player in the same space. the dramatic 50-page complaint alleges racketeering, misappropriation of trade secrets, tortious interference, unfair competition, and aiding and abetting a breach of fiduciary duty. [&#8230;] © 2024 techcrunch. all rights reserved. for personal use only.


key: original_description
string_value:
the world is bad sometimes, but it feels even worse if you can&#8217;t stop staring into the all-consuming abyss that is the 6-inch screen of a smartphone, following you through space and time. it taunts you with its compact, light build that&#8217;s small enough to slip into your pocket and take anywhere, and its siren [&#8230;] © 2024 techcrunch. all rights reserved. for personal use only.


key: link
string_value:
https://techcrunch.com/2025/03/17/this-app-limits-your-screen-time-by-making-you-literally-touch-grass/


key: original_description
string_value:
if you&#8217;ve ever spent way too long scrolling through endless feeds about nothing, you may have been advised to touch grass. it&#8217;s a tongue-in-cheek suggestion, basically telling you to log off and go outside. but one developer took the concept to the next level. rhys kentish launched an ios app last week called touch grass, [&#8230;] © 2024 techcrunch. all rights reserved. for personal use only.


key: original_description
string_value:
the constellation will keep a close eye on wildfires, eventually imaging nearly all of the earth’s surface once every 20 minutes. © 2024 techcrunch. all rights reserved. for personal use only.


key: link
string_value:
https://arstechnica.com/health/2025/03/federal-funding-for-mrna-vaccine-research-in-jeopardy-under-rfk-jr/


key: image
string_value:
https://cdn.arstechnica.net/wp-content/uploads/2025/03/http_3a_2f_2fimage.roku_.com_2fw_2frapid_2fimages_2foem-spotlight_2fc7edebd0-bd36-4a95-b5ca-98783b601a80-1152x648-1742238085.jpg


key: link
string_value:
https://arstechnica.com/tech-policy/2025/03/trump-plan-to-fund-musks-starlink-over-fiber-called-betrayal-of-rural-us/


key: link
string_value:
https://arstechnica.com/gadgets/2025/03/sobering-revenue-stats-of-70k-mobile-apps-show-why-devs-beg-for-subscriptions/


key: link
string_value:
https://arstechnica.com/gadgets/2025/03/this-months-windows-updates-are-removing-the-copilot-app-accidentally/


key: link
string_value:
https://arstechnica.com/tech-policy/2025/03/trump-may-not-be-able-to-save-elon-musk-from-uks-strict-online-safety-law/


key: link
string_value:
https://arstechnica.com/google/2025/03/why-wait-google-is-already-dismantling-assistant-as-it-switches-to-gemini/


key: link
string_value:
https://gizmodo.com/heres-where-you-can-still-watch-classic-looney-tunes-cartoons-and-why-you-should-2000577084


key: original_description
string_value:
with the release of the day the earth blew up, you'd think warner bros. would celebrate one of its most iconic franchises.


key: link
string_value:
https://gizmodo.com/the-xbox-360-may-now-be-the-most-easily-moddable-console-next-to-the-original-xbox-2000577049


key: original_description
string_value:
all you need is an xbox 360, a usb drive and two specific games to access homebrews or previously region-locked titles.


key: original_description
string_value:
the batman villain may take on a new dc role with director luca guadagnino, closing the door on those robert pattinson rumors.


key: link
string_value:
https://gizmodo.com/beats-studio-buds-now-just-99-the-best-apple-alternative-to-airpods-on-a-budget-2000576307


key: link
string_value:
https://gizmodo.com/firefly-bids-farewell-to-its-lunar-lander-after-spending-14-days-on-the-moon-2000576992


key: original_description
string_value:
following the success of its first mission, the company is planning on launching a lunar lander every year.


key: original_description
string_value:
the latest entry in the lionsgate horror franchise was supposed to finally hit theaters in september.


key: original_description
string_value:
in september, apple launched its latest smartwatch, introducing the apple watch series 10 alongside a black rendition of the apple watch ultra 2. each wearable has its own pros and cons, as does the second-gen apple watch se, but the recent introduction of the new wearables also means there are now more apple watch models [&#8230;]


key: original_description
string_value:
terminated employees at the consumer financial protection bureau (cfpb) have been brought back to work in response to a judge’s order — sort of.&#160; probationary employees (a class of government workers who are newer to an agency or role) received letters over the weekend notifying them that they were reinstated into their positions, following a [&#8230;]


key: link
string_value:
https://www.theverge.com/ai-artificial-intelligence/631352/ai-search-adobe-analytics-google-perplexity-openai


key: original_description
string_value:
after decades of relying on google&#8217;s ten blue links to find everything from travel tips to jeans, consumers are quickly adapting to a completely new format: ai chatbots that do the searching for them. according to new research from adobe, ai search has become a significant traffic channel for retailers. the company analyzed &#8220;more than [&#8230;]


key: original_description
string_value:
over the weekend, a number of roku device owners noticed an irksome new advertising method from the company: a trailer for moana 2 began playing before they’d even made it to the roku homescreen. ars technica reported on the situation, which has been called out in a few different reddit threads. the reaction among customers, [&#8230;]


key: original_description
string_value:
there&#8217;s a lot of interest in daily puzzle games right now. the new york times has a great collection of games like its crossword, wordle, connections, and strands. apple is in the mix with crosswords and more in apple news plus. zach gage&#8217;s puzzle gaming platform puzzmo has some fun twists on classic games and [&#8230;]


key: original_description
string_value:
amazon is suing the us consumer product safety commission (cpsc) after the agency said it was responsible for recalling all of the dangerous products on its marketplace, including those sold by third parties. in a lawsuit filed last week, amazon accuses the cpsc of stretching consumer safety law by treating the e-commerce giant as a [&#8230;]


key: original_description
string_value:
google started rolling out an update on thursday to fix chromecasts that suddenly lost the ability to cast. now, it also has a fix to take care of the ones that were unexpectedly bricked after an attempted factory reset. “everything should now function normally,” google writes in an email to affected owners of second-generation chromecast [&#8230;]


key: original_description
string_value:
over the weekend, former nasa engineer and youtuber mark rober published a video that sought to demonstrate the difference between tesla&#226;&#x20ac;&#x2122;s camera-only autopilot system and a vehicle equipped with lidar. he wanted to see whether the vehicles would stop automatically before hitting a wile e. coyote-style wall that was painted to look like a road.&#194;&#160; [&#8230;]


key: original_description
string_value:
the ai search engine perplexity just debuted a new ad featuring squid game star lee jung-jae, who’s trapped in a room and must answer a series of questions to escape. one question targets google’s ai gaffe last year, as lee taps perplexity to answer, “how do i make cheese stick to a pizza?” the ai [&#8230;]


key: original_description
string_value:
accessory maker elecom has announced what it’s claiming to be the first consumer-ready power bank that uses a sodium-ion battery instead of a lithium-ion one, as spotted by notebookcheck. in addition to being more environmentally friendly to manufacture, the 9,000mah na plus can be used in extreme temperatures with less risk of overheating, and has [&#8230;]


key: link
string_value:
https://www.space.com/space-exploration/international-space-station/what-time-are-nasas-starliner-astronauts-landing-with-spacexs-crew-9-today


key: original_description
string_value:
spacex is poised to land its crew dragon freedom with the two iss crewmates who launched on it and two astronauts who arrived at the space station in june on boeing's starliner. here's how to see it.


key: link
string_value:
https://www.space.com/space-exploration/private-spaceflight/feel-the-burn-with-this-amazing-video-of-a-varda-space-capsules-plunge-through-earths-atmosphere


key: title
string_value:
world's largest digital camera to help new vera rubin observatory make a 'time-lapse record of the universe' (video)


key: link
string_value:
https://www.space.com/space-exploration/tech/worlds-largest-digital-camera-to-help-new-vera-rubin-observatory-make-a-time-lapse-record-of-the-universe-photos


key: original_description
string_value:
a major milestone with the vera c. rubin observatory has been reached with the installation of the telescope's enormous eye — the world's largest digital camera.


key: link
string_value:
https://www.space.com/the-universe/moon/farewell-blue-ghost-private-moon-lander-goes-dark-to-end-record-breaking-commercial-lunar-mission


key: original_description
string_value:
firefly aerospace's blue ghost moon lander went dark in the lunar night on sunday (march 16) as expected, bringing an end to its historic mission.


key: title
string_value:
'starship troopers' big-screen reboot coming from 'district 9' director neill blomkamp — would you like to know more?


key: link
string_value:
https://www.space.com/entertainment/space-movies-shows/starship-troopers-big-screen-reboot-coming-from-district-9-director-neill-blomkamp-would-you-like-to-know-more


key: original_description
string_value:
after a long wait and a bunch of disappointing straight-to-dvd sequels, starship troopers is still trying to live forever with a theatrical reboot now in development.


key: link
string_value:
https://www.space.com/space-exploration/brilliant-comet-shines-at-sunset-over-observatory-in-chile-space-photo-of-the-day-march-17-2025


key: original_description
string_value:
the stunning comet c/2024 g3 lights up the sunset sky over chile's very large telescope in this spectacular photo.


key: link
string_value:
https://www.space.com/entertainment/7-excellent-irish-sci-fi-movies-to-leave-hollywood-green-with-envy-this-st-patricks-day


key: link
string_value:
https://www.space.com/space-exploration/james-webb-space-telescope/james-webb-space-telescope-sees-four-giant-alien-planets-circling-nearby-star-images


key: original_description
string_value:
the james webb space telescope (jwst) has directly imaged four planets orbiting the host star hr 8799 about 130 light-years from earth in the constellation pegasus.


key: title
string_value:
our best binoculars for viewing the sun safely have a dazzling 58% off – grab a pair now in time for march's partial solar eclipse


key: link
string_value:
https://www.space.com/stargazing/astronomy-kit/our-best-binoculars-for-viewing-the-sun-safely-have-a-dazzling-58-percent-off-grab-a-pair-now-in-time-for-marchs-partial-solar-eclipse


key: original_description
string_value:
get the celestron eclipsmart 10x25 solar binoculars for their best price in over a year — a fantastic pair of binoculars for safe observation of the sun.


key: link
string_value:
https://www.space.com/entertainment/beam-back-to-the-uss-callister-in-mindbending-new-black-mirror-season-7-trailer


key: original_description
string_value:
from far enough away, most supernovas are benign. but the thing you have to watch out for are the x-rays.


key: original_description
string_value:
helium-3 (he-3) on the moon's surface has drawn attention for decades. in 1939, a paper first noted the presence of helium-3 on the moon. still, it really came into the collective consciousness of space resource enthusiasts during the 1980s when they realized just how valuable a resource it was and how much the moon had of it. now, a new paper from a company called interlune, a relatively new start-up based out of seattle, presented a paper at the recent lunar and planetary science conference that discusses plans to try to mine some of that wealth of material economically.


key: link
string_value:
https://www.universetoday.com/articles/one-instrument-on-the-failed-lunar-lander-did-a-little-science


key: original_description
string_value:
even tipped over onto its side, the odysseus lunar lander was able to do some science. though a broken leg means it's doomed to spend eternity in an awkward position, its solar panels were able to gather some energy. enough for its radiotelescope to take observations for about 80 minutes.


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https://www.universetoday.com/articles/giant-exoplanets-have-elliptical-orbits-smaller-planets-follow-circular-orbits


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we are so familiar with our solar system that we often presume it is generally how star systems are built. four little planets close to the star, four large gas planets farther away, and all with roughly circular orbits. but as we have found ever more exoplanets, we've come to understand just how unusual the solar system is. large planets often orbit close to their star, small planets are much more common than larger ones, and as a new study shows, orbits aren't always circular.


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gravitational slingshots are now a common part of space missions where the trajectory of a spacecraft is altered using the gravity of another body. these often bring fabulous opportunities for an extra bit of bonus science such as that demonstrated by esa’s hera mission on its way to asteroid dimorphos. it’s following up on the dart 2022 impact but to get there, it’s used the gravity of mars. it came within 5,000 km of the red planet and on its way, was able to take a look at mars’ smaller moon deimos from its far side.


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supernova explosions are powerful enough to cause mass extinctions if they're close enough. but can we tie supernovae to any of earth's five mass extinctions? new research shows supernovae could be responsible for the late devonian and late ordovician mass extinctions.


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https://www.universetoday.com/articles/what-will-the-betelgeuse-supernova-be-like-and-will-it-hurt-us


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despite their overall similarities, asteroids are usually pretty distinct from one another. vesta has a very different spectroscopic profile than psyche, for example. so it might come as no surprise that another of the main asteroids - pallas - is in a class all its own except for the 300 or so members of its "family" with similar orbital profiles and spectroscopic lines. a new paper from researchers who were then visiting astronomers at nasa's infrared telescope facility (irtf) in haiwi'i took a look at members of that family in the infrared for the first time and compared them to a particular near-earth object that might have a similar make-up.


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earlier this week, the space telescope science institute (stsci) announced the science objectives for the fourth cycle of the james webb space telescope's (jwst) general observations program - aka. cycle 4 go. in keeping with webb's major science objectives, many of these programs will focus on the study of the earliest galaxies in the universe.


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ingenuity proved beyond a shadow of a doubt that a helicopter can operate on another planet. over 72 flights, the little quadcopter that could captivated the imagination of space exploration fans everywhere. but, several factors limited it, and researchers at nasa think they can do better. two papers presented at the recent lunar and planetary science conference, held march 10-14 in the woodlands, texas, and led by pascal lee of nasa ames and derric loya of the seti institute and colorado mesa university, describe a use case for that still-under-development helicopter, which they call nighthawk.


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with a total now of 274 known moons, saturn leads all of the planets by far. the post it’s official: saturn has 128 new moons appeared first on sky &amp; telescope.


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firefly aerospace's blue ghost mission on the moon has captured a total solar eclipse — but from a lunar perspective. the post a total solar eclipse — from the moon appeared first on sky &amp; telescope.


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high overhead after dark, how accurately can you judge a celestial right angle? watch the changing castor-pollux-mars group to find out. meanwhile the waning gibbous moon will rise later and later, opening up dark-sky observing in the evening. the post this week&#039;s sky at a glance, march 14 – 23 appeared first on sky &amp; telescope.


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the hera mission sent back unprecedented views of the martian moon deimos as a prelude to the mission's final destination: the asteroid didymos. the post europe&#039;s hera mission swings past mars, sees deimos appeared first on sky &amp; telescope.


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after more than two years, the americas score a lunar eclipse bullseye. the post watch the total lunar eclipse (march 13-14) appeared first on sky &amp; telescope.


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the european bepicolombo mission made a detailed heat map of a large swath of mercury's surface during its most recent flyby. the post first thermal images of mercury from bepicolombo appeared first on sky &amp; telescope.


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https://skyandtelescope.org/astronomy-blogs/astronomy-space-david-dickinson/two-missions-launch-one-to-see-the-sun-the-other-to-see-the-universe/


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a successful rocket launch takes two innovative space science satellites — nasa's spherex and punch missions — to orbit. the post two missions launch: one to see the sun, the other to see the universe appeared first on sky &amp; telescope.


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as venus departs dusk for dawn, here's how to never lose sight of it. the post venus sprints from “evening star” to “morning star” appeared first on sky &amp; telescope.


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following decades of disproven claims, four small exoplanets have been confirmed to orbit barnard’s star, the second-closest star system. the post confirmed at last: barnard’s star hosts four tiny planets appeared first on sky &amp; telescope.


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https://skyandtelescope.org/astronomy-news/moons-water-ice-might-be-more-accessible-than-we-thought/


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results from india’s chandrayaan 3 lander show below-freezing conditions exist farther from the poles than expected. the post moon&#039;s water ice might be more accessible than we thought appeared first on sky &amp; telescope.


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can't get your fill of filament? want to 3d print but you're not printing money? save up to $300 on a 3d printer. the post it&#8217;s the last week to save hundreds on anycubic&#8217;s best 3d printers appeared first on popular science.


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even if you don’t enroll in alexa+. the post alexa is about to send everything you tell it to amazon appeared first on popular science.


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fiji's 'outlier' iguana population made it there within the last 34 million years. the post after a 5,000-mile float, these iguanas probably set an ocean record appeared first on popular science.


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helium-3 is needed for nuclear reactors, quantum computers, and more. the post a startup wants to mine the moon for helium appeared first on popular science.


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this 4k-capable camera shoots super-smooth footage even when it's 59 feet under water. the post amazon is clearing out dji&#8217;s waterproof 4k action camera for its lowest price ever appeared first on popular science.


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spend more time appreciating what you have. the post why new tech only feels good for a short time appeared first on popular science.


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https://www.popsci.com/sponsored-content/microsoft-visual-studio-professional-2022-premium-learn-to-code-certification-bundle-sponsored-deal/


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build your own apps and websites. the post this is how you teach yourself to be a coder appeared first on popular science.


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psst! i’m going to let you in on a secret … dollar flight club is helping me cross of my travel bucket list


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https://www.popsci.com/sponsored-content/discounted-one-year-dollar-flight-club-premium-plan-sponsored-deal/


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there's no need to mope about increased flight and travel charges when you can let this flight finder help you book more affordable flights. the post psst! i&#8217;m going to let you in on a secret … dollar flight club is helping me cross of my travel bucket list appeared first on popular science.


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a photo documenting a group of polar bears feasting on a dead whale captivated the judges. the post 11 fascinating wildlife images from the sony world photography awards appeared first on popular science.


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https://www.popsci.com/wp-content/uploads/2025/03/3167_8719_estebanerezkallah_france_open_naturalworldwildlife_2025.png?quality=85


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https://www.popsci.com/sponsored-content/discounted-mini-digital-night-vision-1080p-binoculars-sponsored-deal/


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save $80 on these night-vision binoculars. the post the ultimate ufo-hunting, owl-spotting, mystery-solving gadget appeared first on popular science.


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built in 1324, agios nikolaos church is located in the quiet village of maza apokoronas, a 40-minute car ride from chania in crete. it is said to be one of the most important byzantine monuments on the western side of the island. the church is a single-aisle, barrel-vaulted structure, with many frescoes decorating its walls. ioannis pagomenos, the painter of the frescoes, transformed the walls of the church into a beautiful tapestry of saints and biblical scenes. at the center there is christ the "light-giver" found between the virgin mary and saint nicholas. legend has it that pagomenos was buried underneath the church. archeologists from greece occasionally visit the church to work on preserving the frescoes. despite numerous initiatives to help with their preservation, the lack of frequent visitors and the church's age makes it challenging to maintain them in good condition. as a result, many of the frescoes appear faded, and due to the candles that the visitors have been lighting, some of them appear black from the smoke. for anyone in crete seeking a blend of history, art, and a touch of mystery, agios nikolaos is the place to visit.


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northern taiwan once had a thriving coal industry, but it declined due to low-quality deposits, mine collapses, and international competition. by 2000, the last mine closed. today, much of this history has faded from public memory, though traces remain across the landscape. just two kilometers from taipei 101, once the tallest building in the world, lies hexing coal mine, one of many abandoned mines in the region. the taipei city government has turned this site into a small historical park to preserve its legacy. the site, more of a mini-museum, takes about 5 to 10 minutes to explore. it includes two main areas: the track section and the mine entrance. the track section contain a status of a miner pushing a cart and a mural depicting the coal production process. by the entrance, a charming statue of a pangolin holding mining tools offers a whimsical nod to the mine’s history. a short path leading into the mine houses simple exhibits on coal mining culture and history.


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in a corner of the parking lot outside hōryū-ji temple, the oldest surviving wooden structure in the world, there is a small mound most visitors are likely to disregard. but not giving it a look would be a shame, since it too happens to be a piece of ancient japan. japan is home to thousands of tumuli or burial mounds, and nara prefecture is no stranger to these ancient tombs. funazuka, or the “boat mound,” had long been purported to be the site where the remains of an ancient wooden boat was unearthed, but for a long time remained an unassuming heap of dirt with a shrubbery on it. its status as an actual tumulus was not even confirmed until 2023, following a number of excavations that started in 2019. an archaeological dig done by the university of nara in 2022 revealed a burial chamber in which lay a pair of swords, amber jewelry, and pottery ware. part of the walls showed signs of looting in the 7th century, as if someone had stolen portions of stonework to reuse them in newer construction projects. though there are mysteries yet to be solved, the tentative dating seems to suggest that its looting might have had some relations to the construction of hōryū-ji. who knows what more history hides beneath this ancient town of ikaruga?


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queen victoria’s oldest son, albert edward, visited pune, india in 1872 during the british era. at the time, he was the prince of wales. albert edward would later become king edward vii, ruler of the united kingdom. to commemorate his visit, the british authorities decided to build a structure. several options came up, such as a museum, a dispensary, or a clock tower. they decided on a public library to be built in the cantonment area. this area was primarily developed by the british and is known as pune camp today. the library, which was called the albert edward institute library, was started at a different location on a smaller scale in 1875. in 1881, the military establishment transferred the land to the institute trustees and the library was shifted to its current location. the current location was inaugurated in 1881 by sir james fergusson, who was then the governor of bombay (now mumbai). in the early 1900s, the administration of the library was passed on to the parsi residents of the area. the prominent trader cowasjee dinshaw adenwalla’s son, hormusjee dinshaw adenwalla, donated his book collection to this institute. in addition to that, funds were given to expand the premises and the cowasjee dinshaw hall was added eventually. today, this place is called the albert edward institute library and cowasjee dinshaw hall &amp; library. this heritage library holds a collection of around 20,000 books, some of which are quite rare.


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ballarat has historically been one of australia's most important cities. it was the location of the eureka rebellion, which led to australian democracy, and at one point it was considered as the nation's capital. as such, former member of parliament and ballarat local richard crouch thought it appropriate to commemorate all of australia's prime ministers here. in 1939, ballarat commissioned the first 12 busts in the series to be placed in the ballarat botanical gardens on what was previously known as the "horse chestnut walk." most of these original sculptures were made by wallace anderson, who invited the living prime ministers to sit down for him. for the deceased prime ministers, he closely studied photographs and records and sought approval from their relatives. these first busts were unveiled between 1940 and 1943, cast in bronze on granite pedestals. they cost richard crouch £1000 (aus$99,000 today), and he left another £1000 government bond for future additions. today, prime ministers avenue consists of 29 sculptures, with the most recent one of malcolm turnbull unveiled in november 2022. a bust for turnbull's successor, scott morrison, is currently in the works. the busts vary widely in style and realism based on their respective artists. some prime ministers have criticized their own portrayals. robert menzies laughed when he first saw his own and unsuccessfully asked for it to be removed. malcolm fraser's bust was replaced because the original sculptor was unhappy with it. gough whitlam's bust was stolen shortly after it was unveiled, and two others were vandalized with political messages in 2020. however, prime ministers avenue's most serious threat has been the continuation of funding. australia went through five prime ministers in the 2010s, depleting crouch's original funds. ballarat has struggled to keep up with the frequently changing list of prime ministers, and has unsuccessfully asked the federal government for funds. instead, the city is forced to use money from donations and their public arts program.


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this article is adapted from the march 15, 2025 edition of gastro obscura’s favorite things newsletter. you can sign up here. my boyfriend, peyam, grew up celebrating nowruz, the persian new year. we’re currently planning the menu for our second annual nowruz party, and, as with many holidays, certain things just have to be on the table. peyam insists that it’s not nowruz without kuku sabzi, a frittata-like baked dish of herbs and eggs, and sabzi polo mahi, herbed rice with fish. nowruz falls on the spring equinox (march 20 this year), so many classic nowruz dishes are made with herbs to represent spring’s triumphant return. and in persian cuisine, herbs like mint and parsley are not mere garnishes: they are vegetables, eaten whole and chopped, raw and stewed. like english “greens,” the farsi word sabzi refers to leafy plants as well as their color, but it’s more inclusive. persian “greens” are not just spinach and lettuce, but basil, dill, cilantro, fenugreek; anything fragrant, fresh, and alive. a pot of growing sabzi—usually wheat, mung bean, or lentil sprouts—is included in the nowruz display known as the haft-sin, both to symbolize spring, and because sabzi in farsi begins with the letter sin, equivalent to s. rounding out the haft-sin, meaning “the seven s’s,” are other symbolic items starting with that letter, such as seeb (apples) and serkeh (vinegar). another common inclusion is my favorite nowruz dish, a deep brown pudding called samanu in iran, or sumalak in other nowruz-celebrating countries, such as uzbekistan. tasting its sweet, nutty flavor, you’d never guess that samanu is also made of sabzi with no added sugar, thanks to a transformation that’s nothing short of magical. you can buy jarred samanu at persian stores, or online. but if you’re up for a culinary challenge, you can make it yourself, as i did for the first time last nowruz. making samanu from scratch can be daunting because of one key, unskippable ingredient: time. the entire process, from grain to sprouts to pudding, takes about one week, at the end of which you’ll be babysitting a pot on the stove for an entire day. but in my opinion, all that time and effort just makes it even more special. traditionally, the hard work of preparing samanu was shared. women and children would gather to tell stories, sing songs, and make wishes for the new year while taking turns stirring the pot. last year, i was worried about getting things right—and wanted to give myself some buffer if i failed—so i timed the recipe to finish a few days early. this meant i had to freeze my samanu and defrost it for our nowruz party, but this had no effect on its flavor (it is magical, after all). i decided to make it an annual tradition and prepared samanu again this year, but with slightly more confidence. so how do wheatgrass sprouts become pudding? the secret is an ephemeral chemical reaction. seeds like wheat grains are packed with plant fuel (sugar) stored as long chain molecules (starch). during germination, starch reserves break down into their component sugar molecules, which the growing plant consumes until it can make more energy from the sun. for a brief moment, the sprout is flooded with sweetness. samanu is made by extracting the juice of these maximally-sweet sprouts and cooking it low and slow. the sprout juice gradually thickens due to the remaining starch, loses its grassy taste, and darkens as the sugars caramelize. the process can be compared with malting, the roasting and grinding of sprouts at their peak sweetness, which produces the sweet, nutty malt flour prized for everything from beer to milkshakes. additional wheat flour and water helps maintain samanu’s consistency, but nothing else is needed. however, some people add a splash of saffron water, or toss in almonds or walnuts at the last moment while making a final wish for the new year. samanu may also be garnished with nuts, or with pomegranate seeds, which is my preference because of the exquisite color contrast. if you make samanu, however you choose to serve it, be sure to marvel at it when you do. your efforts have paid off and, improbably, you have made a dessert entirely out of wheat. you have distilled the pure essence of springtime.


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london has a rich theatrical history. the city boasts over 240 performance venues, with more than 40 of them being located in what is called the west end. but what happens when one of these playhouses goes belly-up or is destroyed? luckily for one in particular, the st. james's theatre on king street, four bas-relief panels have been saved from demolition. the reliefs are visible from a side-street, angel court, adjacent to where this once prestigious auditorium once stood. the sculptured art pieces were created by edward bainbridge copnall. they depict the faces of theater promoter gilbert miller, actor george alexander, playwright oscar wilde, and esteemed thespians vivien leigh and sir laurence olivier. these carrara marble panels also include various scenes from several productions associated with the theater in its heyday. st. james's theatre opened in 1835 and operated for over 100 years before it was demolished in 1957. it got a reputation for being unlucky due to a high volume of short-lived productions. but the greek revival-style building was also revered for having hosted premier performances of oscar wilde's the importance of being earnest and lady windermere's fan. the four marble bas-relief panels at the former site of the theater were erected as balcony fronts to an office building erected in 1959 called st. james's house. they were meant to be an homage to individuals who had connections to the theater. by 1986, st. james's house had also been demolished, but the relief panels remain. the artworks are not the only tribute to this by-gone playhouse. the golden lion pub, located next door, showcases a theater bar, complete with a staircase adorned with black and white photos of famous persons with links to this once grand institution.


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the history of judaism in mexico generally reflects that of jewish communities in europe and the mediterranean. in iberia, sephardic jews lived relatively freely until the late 14th century, when catholic authorities brought about mass conversions. many converted (or appeared to), becoming known as conversos. in 1492, the catholic monarchs of castile and aragon ordered the expulsion of non-christians from the peninsula, mostly targeting muslims and unconverted jews. conversos were almost certainly among the early migrants from spain to what is now mexico; though given catholic oppression, judaism was not practiced in the open. as jewish populations in europe fluctuated throughout the centuries, based on local tolerance and trends, migration to the americas continued to reflect these shifts. mexico, like europe, was affected by the rise and policies of the ottoman empire. the late 19th century saw a mass exodus from ottoman-conquered territories, including present-day lebanon and syria. many of these emigrants settled in mexico, where they are commonly called libaneses. while the majority were christian, jewish migrants from the middle east, known as mizrahi, established mexico’s first openly jewish community in the late 1800s. in the early 20th century, further jewish migrations followed, mainly ashkenazi jews from eastern and central europe fleeing antisemitism and pogroms, which culminated in the holocaust. this heritage is reflected in the synagogue’s centerpiece, the aron qodesh, which houses the torah; it is modeled after one in lithuania at the request of the donor who provided the land. the temple, called nidje israel, was established in 1941 as a place of worship for the yiddish-speaking ashkenazi community, distinct from the arabic- and hebrew-speaking mizrahi. the official name of justo sierra comes from its location on a street named after the mexican intellectual and writer who advocated for public education but had no known connection to judaism. the synagogue’s construction features a double facade—the justo sierra one being that of the colonial building that once stood there, and the synagogue that was built in art deco style popular at the time. within the temple, a piece of rubble from its sister nidjei israel synagogue, which collapsed in the 2017 mexico earthquake, is on permanent display. like in many other places around the world, jewish communities in mexico face antisemitism and stereotypes, especially when it comes to perceptions of israel’s foreign policies. during the israel-palestine war of the mid-2020s, mexico’s government supported south africa’s case against israel at the international court of justice. in 2024, mexico elected claudia sheinbaum, its first female president, and the first with known jewish ancestry. as a member of the left-leaning morena party, however, she has largely supported the palestinian cause. this stance, and the apparent fact that she is non-practicing, has sparked conflicting views on her jewish identity, both within and beyond mexico’s jewish community. her presidency serves as a reminder of the significance of the jewish community in the country’s history—from this synagogue to the nation’s highest office.


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this story was originally published on the conversation. it appears here under a creative commons license. st. patrick’s day usually conjures images of partying, catholicism, irish nationalism and, perhaps most famously, the color green: green clothes, green shamrocks, green beer, and green rivers. so my students are often surprised when i tell them that st. patrick’s day was once a solemn feast day when you’d be far more likely to see the color blue. in fact, there’s even a color known as st. patrick’s blue. ‘true blue’ historians don’t know much about st. patrick. but they believe he was born in the fifth century as maewyn succat. he wasn’t irish; rather he was born in wales, the son of a roman-british official. he was, however, captured by irish pirates and enslaved in ireland. after six years he went back to britain but returned to ireland as one of the missionaries to convert irish pagans to christianity. at some point he adopted the latin name patricius. in the 10th century, the first evidence of st. patrick being a beloved figure in ireland emerged. in the early 17th century, luke wadding, an irish priest, persuaded the catholic church to make march 17 a feast day for st. patrick. back then, feast days were far from raucous affairs: catholics typically went to mass and then had a quiet dinner at home to celebrate. other denominations, including anglicans and lutherans, recognized the day as well. but any commemorations would include the color blue. the dublin evening post reported that in a 1785 st. patrick’s day ceremony in dublin, a group of men identifying themselves as patriots “marched in a grand procession round the garden, dressed in true blue, and carrying along with them a number of curious pageants.” constance markievicz, who fought in the 1916 easter rebellion for independence and was the first minister of labour in the irish free state, maintained that blue was “the old colour of ireland.” to connect the past to the nationalist movement, she used blue as the background for the irish citizen army’s flag. in 1934, irish politician w.t. cosgrave asserted that blue is “in perfect, traditional, national accord with our history and in close association with the most revered and venerated memory of our patron saint.” out with the old, in with the new since the 12th century, ireland had been a colony of great britain. like the american colonists who rebelled against the british crown, a group of rebels called the united irish launched an insurrection in 1798 in a quest for independence. led mostly by middle-class protestants and in coordination with some catholics, the united irish adopted the “wearing of the green” to represent irish nationalism and their fight against british imperialism. the rebellion failed, and the british government made ireland part of the united kingdom in 1801 to prevent future revolutions. the government also bestowed greater rights to protestants over catholics. ireland became more sectarian over the course of the 19th century, and nationalism became more associated with catholicism. in some ways, the two became interchangeable. with nationalism ascendant and catholics outnumbering protestants, green was widely embraced, particularly since it had been worn by the united irish. green crosses the pond before the 1840s, most irish immigrants to america had been protestants, many of whom had been the descendants of scottish settlers in ulster and would later become known as the scots irish. like those that would succeed them, they celebrated st. patrick’s day to commemorate their connection to ireland. in the earliest recorded american celebration of the day, banquets toasting ireland and st. patrick took place in boston in 1737. by the 1760s, annual parades were being held in new york and on the island of montserrat to celebrate irish culture and identity. irish immigration to the new world increased dramatically after the great hunger of the 1840s, when the potato crops failed and over 1 million indigent catholics arrived in the u.s. facing discrimination from american protestants who claimed they were more loyal to the pope than to the u.s., they viewed st. patrick’s day as a link to the history and culture of ireland. celebrations were a badge of pride and dignity, and they called for irish independence to demonstrate they, too, believed in republican principles. irish nationalist groups active in the u.s.—the fenians, clan na gael, and, later, irish northern aid—participated in these american st. patrick’s day parades, proudly wearing green to demonstrate their nationalism and the connection to past nationalist groups such as the united irish. in ireland, however, st. patrick’s day remained a solemn day of observance with little revelry. the irish government didn’t recognize st. patrick’s day as a public holiday until 1903, and the first parade in dublin wasn’t held until 1931. even pubs remained closed on march 17 until 1961. since 1922, when 26 of the 32 counties of ireland became semi-independent, the tricolor flag of ireland has been the official flag. green represents the catholics, orange represents the protestants, and the white in the middle symbolizes peace. yet green remains the color associated with st. patrick’s day and ireland throughout the world, largely due to the catholic diaspora and its association with nationalism. however, blue still plays a symbolic role in ireland: since 1945, the flag representing the president of ireland has a gold harp with a dark blue background—the color known as st. patrick’s blue.


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in 1887, new york’s infamous women's lunatic asylum on blackwell’s island received a new patient named nellie brown. she was a bit different from the other occupants there. as soon as she entered the doors, all of the intense acting out that had landed her there disappeared. that’s because nellie brown was really nellie bly, an undercover journalist on assignment for a newspaper called the new york world. bly faked her own insanity, fooling several doctors and a judge, to get sent to the institution. blackwell’s opened as the new york city lunatic asylum in 1839 on what’s known today as roosevelt island. it was a state-run hospital housing poor patients. tours of the facility were popular and seen as ways to make money and ensure patients were given the best treatment. the complex was meant to house 1,000 patients, but by the late 1800s, blackwell’s was severely overcrowded with nearly 1,600 people. tourism ground to a halt, budgets were cut, and fewer doctors were able to provide care. but most visitors were not able to see what was going on behind the walls. bly’s reporting gave one of the first real accounts of the brutality and horrors female patients faced at asylums like it. about 100 years earlier, institutions like blackwell’s were built to essentially imprison the mentally ill and did not have mission statements intended to cure or treat them. asylums across england and the u.s. became magnets for curious tourists who mostly went to gawk at patients as if participating in a spectator sport. practitioners running the asylums—who weren’t doctors at that point—had no training and believed mental illness was a disease of the body, not a condition of the brain. they used cruel and inhumane treatments that reflected this thinking, including blood-letting, ice baths, starvation, and corporal punishment. “dangerous” patients were often chained to walls naked, and others underwent “rotational therapy”: spinning in a chair for hours to induce vomiting. london's bethlem royal hospital, known as bedlam, is one of the best-known asylums where tourism thrived. it opened in 1247 as a monastery, and by 1407 it was housing mental patients. tourism began there in the early 1700s and continued well into the 18th century. visitors paid a penny entrance fee to wander the wards. superintendents hoped that visitors would feel compassion for the patients and therefore donate to the hospital. the reality was most tourists were there simply to see—and often ridicule—patients. “looking at the patients made those on the outside feel privileged because they weren’t like them,” says troy rondinone, a historian at southern connecticut state university and author of nightmare factories: the asylum in the american imagination. “these were popular places to go, and they did have zoo-like, leering atmospheres.” there were rules about what tourists could see, but supers couldn’t always control the exchanges with patients. many patients didn’t seem bothered by the visitors, scholar and historian janet miron writes in prisons, asylums and the public. miron reports that some visitors to blackwell’s in new york even suggested some patients seemed to like the company and attention. many patients were social and answered tourist questions. others, however, hid in seclusion, shirking the intrusion and glares from strangers. these were the patients who suffered from asylum tourism, miron writes. the tourists experienced some slight mental discomfort, as well. one visitor to bedlam reported hearing rattling of chains, drumming on doors, and patients ranting and singing so frighteningly, it could “put hell in an uproar.” “there was this false idea that patients would be cured,” rondinone says. “but in reality, they were essentially trapped and stripped of all of their belongings, living in a place with iron bars on the windows.” “the insane asylum on blackwell’s island is a human rat-trap,” bly wrote. by the early 19th century, though, asylums began to change, and the use of “moral treatment” was on the rise. mental illness was no longer considered a disease of the body, but was thought of as curable. an idea grew that if asylums were designed well and managed properly, conditions inside would improve. but tourism didn't stop. contrary to the 1700s when visitors mostly went to witness the spectacles inside, miron writes that 19th-century citizens considered tours as part of their duty “to improve the treatment of the insane.” hospital superintendents had to convince the public that the brutal treatments of the past were over. “tourism was still about money but also about getting good press,” rondinone says. “the hospitals were treating patients and ‘healing’ them and could ask for more money to ensure the hospitals stayed alive.” so tourism continued with less outright exploitation. asylums were such a firm part of the tourism industry that the hospitals were promoted in ads and tour books at the time. blackwell’s was listed in the 1880 miller's new york as it is guidebook. “a visit to the several establishments on this island will well repay anyone interested in the efforts for ameliorating human suffering,” the guidebook author wrote. “the humane object of this institution is to separate vagrants from criminals, and to compel all to work who are able to do something towards their own support.” there was a change in why the public toured asylums and what parts, too. at the time, many asylums were built following psychiatrist thomas kirkbride’s design. kirkbride believed that housing patients in an environment with fresh air and natural light would promote better health. “kirkbride was very proud of the design and wanted architects and visitors to see it and how it was healing people’s minds,” rondinone says. these asylums were massive structures that included two wings with corridors to allow sunlight and air ventilation. they had sprawling gardens that were designed to be sanctuaries for patients, but also to be part of their recovery. occupational therapy was part of moral treatment, so patients could farm the land and tend to the grounds as part of their therapy. in fact, the meticulously designed grounds were becoming huge draws for tourism. “the approach to the asylum from the southern entrance, by the stranger who associates the most sombre scenes with a lunatic hospital, is highly pleasing,” miller’s new york as it is guidebook stated. “the view from the top of it, being the most extensive and beautiful of any in the vicinity of the city.” by the late 1800s, around the time nellie bly got herself committed at blackwell’s, optimism surrounding moral treatment began to decline. it was the cusp of the industrial revolution in america and more immigrants were coming to the united states. soon state-funded asylums were full of impoverished people and immigrants who didn’t speak english. superintendents were tasked with managing overcrowded facilities with little staff. blackwell’s population swelled from 278 in 1840 to more than 1,300 by 1870. to save money, the hospital skimped on food. manicured gardens and occupational therapy gave way to corporal punishment, restraints, and drugs. “what you start seeing inside is mirroring [people’s] outside standings,” rondinone explains. “if you were wealthy, you could pay and go to a nice sanitarium. if you were poor, you were put in a state hospital like blackwell’s.” by the late 19th century, blackwell’s and other asylums like it were full of the city’s lower classes. by the time bly was committed to blackwell’s, stopping by an asylum wasn’t easy for tourists. visits had become reserved mostly for wealthy females with charitable clout who considered the task as part of fulfilling her duties to society. writings from these wealthy women at the time contradict what patients really experienced. the affluent certainly didn’t see what bly faced—and exposed to the public—which became a two-part series on the front page of the new york world. bly started with the small things like the horrible food. soup was spoiled. tea “tasted as if it had been made in copper,” she wrote. buttered bread and oatmeal were inedible. she revealed how the building was freezing and how she and other female patients were subjected to regular beatings and torture, like ice baths. “it was hopeless to complain to the doctors, for they always said it was the imagination of our diseased brains,” she wrote. bly admitted she never attempted to act insane while inside. she wrote “the more sanely i talked and acted, the crazier i was thought to be.” bly ended up suspecting the treatments were making patients worse. “the insane asylum on blackwell’s island is a human rat-trap,” she wrote. “it is easy to get in, but once there it is impossible to get out.” but bly did get out, and her exposé for the newspaper shocked the public. her pieces eventually helped lead to the kind of reform the watchful eyes of tourists never could. “around this time, cities were trying to allocate money for mental hospitals,” rondinone explains, “but [bly’s] series of articles definitely outraged people and led to a huge push for reform.” other reports confirmed bly’s articles, and several months later, she published a book about her experience called ten days in a mad-house. however, for all its negatives, asylum tourism did have some positives. it may have helped educate the public about mental illness and showed what treatments did—and did not—work. “the idea that they were curing people was a myth,” rondinone says. “the truth was it was reform through enslavement, and that was very disturbing to people.” today, the only tours of asylums are those that are abandoned and turned into haunted houses. the patients are mercifully no longer present, but as far as society has come, the fascination in people's minds is still there. “i still don’t think asylum tourism says anything bad about us,” rondinone continues. “i think it’s very human to be intrigued.” sometimes that intrigue can lead to reform, other times it leads to abandoned tourism.


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nature, published online: 17 march 2025; doi:10.1038/d41586-025-00733-9the 2005 finding of cells and blood vessels in dinosaur bone launched a systematic search for fossil remnants of biomolecules, creating innovations in methods and applications.


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a death adder at an australian wildlife park found to have three fangs that all produce deadly neurotoxic venom.


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scientists at openai have attempted to stop a frontier ai model from cheating and lying by punishing it. but this just taught it to scheme more privately.


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"i think that the simplest explanation of the rotating universe is the universe was born in a rotating black hole."


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