# Art Brown

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# 687 Actions

 May19 reviewed Approve suggested edit on Polarization of sound May19 reviewed Approve suggested edit on The quantized energy level E depends on which power of n? May17 reviewed Approve suggested edit on How to do calculation in relativity of simultaneity May17 reviewed Approve suggested edit on What happens to electrons when they are detected? May15 reviewed Approve suggested edit on How to calculate average velocity May15 answered Classical and Semi-classical treatments of the ideal gas May14 comment Child-Langmuir Space Charge Law for Non-Zero Cathode Potential (Non-Zero Initial Electron Velocity) These formulas might be attempts to combine two effects: 1) the actual anode-to-cathode accelerating voltage potential $V_{AK}$, which can only depend on the difference between the two potentials, 2) an "effective" (e.g. fake) cathode potential $V_{eff}$ that models the initial velocity of the electrons that are "boiling" out of the heated cathode. May14 reviewed Approve suggested edit on Child-Langmuir Space Charge Law for Non-Zero Cathode Potential (Non-Zero Initial Electron Velocity) May13 revised Homemade salad dressing separates into layers after it sits for a while. Why doesn't this violate the 2nd law of thermodynamics? added isobaric condition May11 comment Homemade salad dressing separates into layers after it sits for a while. Why doesn't this violate the 2nd law of thermodynamics? I very much like your approach, and agree with your conclusion, but think one detail is a bit off. See my answer. May11 answered Homemade salad dressing separates into layers after it sits for a while. Why doesn't this violate the 2nd law of thermodynamics? May11 answered Ohm's Law Intuition May10 comment What is $vdp$ work and when do I use it? Nice, thanks. I think the point of the answer by Bryson S. is that $H_{exit}=H_{entry}-W$ for an adiabatic process, where $W$ is the (positive) work output of the shaft, so $H$ decreases as shaft work is performed. May9 reviewed Reject suggested edit on How come evaporation is possible? May9 revised Reverse bias P-N junction added explanation May9 answered Reverse bias P-N junction May8 reviewed Reject suggested edit on Why is spacetime curved by mass but not charge? May7 comment Is there a compound denser than the densest element? As a rejected edit noted, osmium forms toxic osmium tetroxide when exposed to the oxygen in air (ref wikipedia). Do not suggest it!!! May5 reviewed Approve suggested edit on What is the half-life threshold for an isotope to be considered stable? May5 awarded Proofreader
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