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A bachelor degree or associate degree in business management provides students with core business skills and knowledge that can be applied to a vast number of careers. Graduates of the associate and bachelor's degree programs will understand the function of each unit/department that makes up a business and how each is equally vital in ensuring positive performance of the company.
Coursework in the Herzing University business management degree programs include accounting, management, business law, economics, marketing and sales, and technology classes; electives allow the student to focus on a main interest within the business field.
In addition to subject knowledge, students in the business management degree programs learn how to think critically, creatively find solutions to business problems, communicate effectively (both verbally and in writing), and utilize industry-standard computer software for data collection and analysis.
Business Management — Is it for you?
A degree in business management is ideal for the individual who either wishes to work in an office setting or own a business. Skills learned in business classes will be applicable to any industry including finance, industry, manufacturing, healthcare and education. Those interested in pursuing a business-related career should be able to work effectively individually and in a team environment. They should also be comfortable using a computer and present themselves in a professional manner.
Business Management Concentrations
Our programs are customizable to include focused studies in the following concentrations:
- Business Administration,
- Entrepreneurial Studies,
- Human Resource Development,
- International Business,
- Marketing
Ask your admissions advisor for more information.
View Herzing University Accreditation and Approvals
Associate of Science & Associate of Applied Science in Business Management Gainful Employment
Associate of Science in Business Studies Gainful Employment
Bachelor of Science in Business Management Gainful Employment
Master of Business Administration Gainful Employment
What are the career opportunities in this field?
A Herzing University degree associate degree or bachelor's degree in business management provides students with knowledge in all aspects that make a business profitable. Because of this, graduates have unlimited career path opportunities and flexibility when seeking a position.
For those unsure which path is best for them, the first step is to pay attention to which classes they find most stimulating while earning a business degree. For example, if a student enjoys learning the different methods a business can use to attract new customers, that student may have a future in marketing, sales, advertising, or product development. If another student is fascinated by how a company keeps track of the vast number of financial transactions that happen every day, a position in accounting or finance may be ideal for that student.
Recent job titles for graduates from the Herzing University system associate in Business Management degree program include:
Team Leader, Accountant, Customer Service Representative, Office Manager, Account Representative and Administrative Assistant. Examples of companies these graduates are employed by include Blue Cross/Blue Shield, Target, Coca-Cola Enterprises, AutoTrader.com, and Terminex International.
Herzing University system bachelor's in business graduates recently took positions with titles such as:
Business Analyst, Auditor, Accountant, Director, Restaurant Manager, Paralegal, Department Supervisor, Account Representative, Medical Office Manager, Manager and Business Owner. A sample of companies these graduates are employed at include: Covance, Solvay Pharmaceuticals, WyoTech, ProHealth Care, Inc., John Deere, Allina Health System, and Solo Cup Company.
For a list of companies that employ graduates in your area, contact your campus.
How do I advance in this career?
Advancement in business careers depends on the actual career path the student chooses (such as marketing executive, department director or corporate trainer). Some business management degree graduates will be able to move up in the field simply by gaining on-the-job experience, while others will need to earn a master's degree or industry credential. Once a student/alumni has determined what their career goal position is, our Career Development Department can help that individual create a plan that will position them for the greatest chance at achieving their professional goal.
Where do they work?
Business Management graduates typically work in an office environment. Offices may be located in an office building or on location at a manufacturing company or factory. Some workers may be able to work from an online-home office with weekly or occasional trips to the main office for meetings and presentations. Depending on the specific position, some travel may be required to satellite offices or client establishments.
A 40-hour work week is standard although additional hours may be required prior to important project or reporting deadlines. Those with greater responsibility will typically work beyond the 40-hour standard, and managers in some industries may rotate being on-call (this is especially prevalent in hospitality, restaurant and retail management). Executives often spend additional time attending professional events and staying current with industry trends. Full-time employees generally receive full benefits packages including health/dental insurance, paid vacation and sick time, and retirement/wealth savings or accrual plans (such 401(k), company stock, and profit-sharing).
What is the career outlook?
The growing economy is continually fostering the addition of new businesses to the market. These businesses will need qualified professionals to ensure profitability and survival, creating a strong career outlook for business professionals.
What is the program title, length, and content?
Herzing University offers several different options for those looking to further their education in the field of Business and Business Management. Each program incorporates the core courses required for successful entry into this field and adds additional courses as required by the level of education the student pursues.
Business Management Program Comparison Chart
Program availability varies by location.
|Associate and Associate of Applied Science in Business Management
|Bachelor of Science in Business Management – No Minor or Concentration
|Bachelor of Science in Business Management – Business Administration
|Bachelor of Science in Business Management – Entrepreneurial Studies
|Bachelor of Science in Business Management – Human Resource Development
|Bachelor of Science in Business Management – International Business
|Bachelor of Science in Business Management – Marketing
Associate and Associate of Applied Science in Business Management
Program availability varies by location.
The business associate degree program prepares graduates for entry-level positions in any sector. Students learn the fundamentals of how business is conducted and the different areas that are required to maintain a successful business. Download Program Course Sheet
Bachelor of Science in Business Management – No Minor or Concentration
Program availability varies by location.
Graduates of the Bachelor of Science in Business Management program will understand how a business functions, how to evaluate and maintain the productivity of a business, and how to manage and motivate the people who work in that organization. This program is designed to be transfer friendly for those with a substantial amount of prior learning. Download Program Course Sheet
Bachelor of Science in Business Management – Business Administration
Program availability varies by location.
This program emphasizes a generalist approach to management education by providing the skills and knowledge for entry-level general management training positions. These career opportunities may be in areas such as accounting, accounts payable, accounts receivables, business administration, human resources, and hospitality. Download Program Course Sheet
Bachelor of Science in Business Management – Entrepreneurial Studies
Program availability varies by location.
Entrepreneurial Studies graduates will receive the instruction and skills development to start a small business or expand an existing one. This includes creating comprehensive business and marketing plans, leadership of employees, and management of finances. Download Program Course Sheet
Bachelor of Science in Business Management – Human Resource Development
Program availability varies by location.
In addition to the human resources specialization, graduates of this program will have a solid understanding of all aspects of business and will be prepared for entry-level human resources and business-related positions in any sector/industry. Download Program Course Sheet
Bachelor of Science in Business Management – International Business
Program availability varies by location.
Students graduating with the International Business concentration will gain thorough knowledge of business practices and how to apply them in an international setting. Various foreign business models and cultures will be explored, and graduates should be able to effectively recognize the obstacles and opportunities of conducting business in a global environment. Download Program Course Sheet
Bachelor of Science in Business Management – Marketing
Program availability varies by location.
Students selecting the Marketing concentration will study what prompts consumers to make buying decisions, how to promote products and services to target markets, the questions (and answers) required for creating and launching new products, and more. Graduates will be able to apply this knowledge to a range of industries to suit their interests. Download Program Course Sheet
Which locations offer this program?
Akron Campus
Atlanta Campus
Birmingham Campus
Brookfield Campus
Kenosha Campus
Madison Campus
Minneapolis Campus
New Orleans Campus
Online Campus
Orlando Campus
Toledo Campus


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- Home
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- 2013 Okoboji Alumni Reception
Nearly 40 Buena Vista University alumni and friends enjoyed an after work reception at Bud's Pub in Okoboji on August 7. Guests gathered to reminisce with former classmates, hear a campus update from President Fred Moore and meet other BVU alumni living in the Okoboji area. All guests enjoyed great food and conversation!
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The Valley City Area Chamber of Commerce will be sponsoring a Candidate Forum at the Valley City HAC Gymnasium at 7 p.m. on Tuesday, May 22.
Thursday Keith Heuser, administrator at Mercy Hospital and Chamber president, confirmed he will moderate the forum.
Heuser said all candidates for city commission and county commission have been invited to participate.
"All but one candidate said they can make it," said Stephanie Mayfield, executive director of the Chamber. "I haven't heard back from (city commission candidate) Arthur Frieze," she said Thursday.
The Valley City High School Senior Choir, Senior Band and Jazz Band traveled to New York City May 3-6 to compete in the Heritage Festival at Riverside Church. Riverside Church is located in the upper west side of New York, next to President Ulysses S. Grant's tomb and the Hudson River.
Juniors and seniors and music directors Sheila Zinke, Penny Peterson and Tom Kjelland along with eight chaperones spent four days competing and touring The Big Apple, even seeing a couple celebrities.
North Dakota Public Service Commissioner Brian Kalk received the his party's nomination at the State Republican Convention for the U.S. House of Representatives April 1 and faces one last hurdle at a contested June primary before cinching the party's nod. On Thursday morning, he sat down for a phone interview with Times-Record reporter David Luessen.
Kalk grew up in Bottineau, where he graduated high school in 1984 and took a year of junior college classes before enlisting in the U.S.
A Memorial Service will be conducted at the following cemeteries:
8:00 am Hillside Cemetery
8:15 am St. Catherine Cemetery
8:45 am Oriska Cemetery
9:00 am St. Bernard Cemetery
9:30 am Memory Gardens
9:45 am Woodbine Cemetery
At 10:30 AM there will be a parade down Central Avenue. (No political entries or No candy throwing during the parade) The parade will start by Sheyenne Care Center. If you have questions about the parade call James Riden (845-1586).
Immediately following the parade, or about 11:00 AM, there will be a Program at the VFW Clubroom.
Most sales start at 8am and end in early afternoon. Over 20 garage sales throughout Cooperstown!
Multi-Group sale at the Cooperstown community building at the fairgrounds.
Maps are available Thursday May 17th at the Millers fresh foods and Town and Country.
The garage sales start Saturday, May 19th!
The event is sponsored by the Cooperstown community club.
AgCountry Farm Credit Services has awarded twenty-four $1,000 scholarships to high school seniors from northwest and west central Minnesota and eastern North Dakota. Criteria for selection included academic record, vocational promise, financial need, personal attributes and leadership/extra-curricular activities. The recipients are:
Jenna Gullickson, daughter of Scott and Wendy Gullickson, Spiritwood, N.D. Jenna graduates from Barnes County North – East Campus and plans to attend North Dakota State University.
Safe Routes to School (SRTS ) is not simply a program to get students in Valley City to walk to school. It is to create an environment where citizens receive safe opportunities for more routine physical activity. Valley City received a SRTS grant to improve accessibility to sidewalks on a route from Mercy Hospital past the St. Catherine School and up to Jefferson School. The grant also provided for speed monitors to be put up at the schools.
Two Jamestown residents, Cole Huber and Chelsey Fiebiger, were honored by the Barnes County Commission and the Sheriff's Office with the county's award for heroism on Tuesday.
The couple were presented plaques by Barnes County Sheriff Randy McClaflin at Tuesday's commission meeting.
"There's nothing like being in a room full of nurses. In a small community like this, we all know each other by where we work," Tamie Gerntholz, nursing director at The Legacy Place, exclaimed.
The Legacy Place hosted the first annual Nightingale Nursing Ceremony, an event to honor nurses in Barnes County, on Tuesday. About 100 guests showed up to take part in the eventful evening.
Valley City's newest assisted living facility was filled with delighted nurses, both active and retired, reacquainting and reminiscing with past co-workers, classmates, and friends.
Valley City has chosen Fred Thompson, a just-retired captain with the Henderson, Nev., police department as new police chief, administrator David Schelkoph announced Wednesday afternoon.
Thompson will begin his new position the first week of June.
Current acting police chief Mark McDonald, VCPD Sgt. Doug Kiefert, Fred Thompson, Patricia Nowak and Ryan Evans were finalists for the job, and went through in-person interviews from May 8 to Tuesday.


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At Chesterfield Day School, we believe that every child has an inherent desire to learn. Located west of St. Louis in Chesterfield, MO, the faculty at our school guides each student in their educational journey — supporting, encouraging and challenging them along the way. The educational program begins with Montessori inspired classrooms in our early childhood program and bridges to premier secondary school preparation through 6th grade.
The Chesterfield Day School promotes an environment of concentration, respect and independence. We strive to remain a welcoming and diverse community where children and families feel at ease. CDS encourages parents to be partners in their child's education and provides many opportunities for parents to volunteer in the classroom and for school-wide activities. Our professional and proactive approach to recognizing each child's strengths means that we can accommodate rolling admissions throughout the school year.
Don't wait another full academic year before making the move to a school that will set the best direction for your child. For more information or to schedule a tour contact Chesterfield Day School today at firstname.lastname@example.com or 314-469-6622.


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Calendar of Events
Sep 12
NSW: Reception with President and Mrs. Poskanzer
Friday, September 12th, 2014
4:00 – 6:00 pm / Nutting House
You're invited to the Poskanzer residence to enjoy dessert with Steve and Jane Poskanzer as you mingle with your friends. You will receive specific information from your NSW Leaders, as arrival times will vary. Please wear your NSW nametag for admittance.
Note: NSW groups 1-20 attend Friday. NSW groups 21-41 attend Saturday.
Sponsored by New Students 2014. Contact: Jessica VanZuilen, x4462
Students, Faculty, Staff, Alumni, Families, Prospective Students, New Students


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Showing 1 results within any distance of "Seattle, Washington" in category "Dogs"
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Available for stud $500:Gorgeous Golden Retriever w Hip Eyes and Heart Clearances plus more
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Need to send off mail to a solicitor, so would like to add signature too. I've gone into options & selected the signature tab, but it looks like you can only add text.
I don't want to add an attachment of a signature.
The aim is to sign a bit of paper, scan this in & then have this at the end of the mail as the signature. Can you even do this?


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IT + Innovation
The IT + Innovation Division is responsible for the technology that is needed to facilitate the learning, teaching and business functions of the students, faculty & staff. Everyday duties include: developing, supporting and maintaining applications, servers, routers, phones and media equipment. The IT + Innovation Division also helps individuals to be successful with technology.
A large part of the responsibilities of the division involves looking to the future, gathering information on trends and creating elegant solutions to solve the real-world technology issues of the UCC Campus. With that in mind, our staff regularly attend seminars and conferences that keep them up-to-date on issues, trends and best practices in the industry.
A variety of projects are in the works that involve hardware and software upgrades and modifications. These projects are necessary for the ongoing need to be competitive within the state and nationally. A list of our current major projects is found below.
Latest Major Projects
Emergency Alert Notification System
Learning Management System Review
Wireless Upgrade
Switch Refresh
Computer Refresh
Single Sign-On Authentication
Google Mail & Google Apps Redesign
Contact Us
Dan Yoder - Contact
Phone: 541-440-4707
Myles Feral - Contact
Help Desk Technician
Phone: 541-440-7808


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SPEEDO Vanquisher Mirrored Goggles
Item # 16255686
|Eligible for Free Shipping, No Minimum! (see promotion details)
|Members of The League get 5% back when you spend $100! (see promotion details)
Product Details
Fuel your passion for racing with the SPEEDO® Vanquisher™ mirrored goggles. They feature a low-profile design with an expanded side view, allowing you to keep your eye on the competition. Hypoallergenic silicone eyepieces, a double strap, and four interchangeable nose pieces ensure a comfortable fit, while anti-fog, UV-protective mirrored lenses deliver crystal-clear vision with reduced glare.
- Low-profile design
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- 4 interchangeable nose pieces
- PVC and latex free
Product Recommendations
Product Reviews
Reviewed by 1 customer
- Cleans Easily
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PANAMA CITY — Bay County has moved higher on the state's list of new HIV cases, although AIDS cases remain same for the first quarter of 2014.
Of the state's 67 counties, Bay County moved up one spot to No. 20 in the highest increase of newly reported HIV cases, Florida Health Department statistics show. From January to March, HIV cases increased 33 percent, rising from nine to 12 new cases.
The county remains 24th highest in the state in the number of AIDS cases reported in that same time period.
"It's unlike any other disease," said Rick Vitale, HIV/AIDS program coordinator at the local health department.
His department passed out more than 7,000 condoms during Spring Break this year, Vitale said. And although Bay continues to rise in new cases, he believes more members of the younger generation are practicing safe sex.
"Our people couldn't even get out the car. ... They were giving (condoms) in bags, out of the window," he said. "We're seeing more people stepping up to the plate."
The most prevalent way HIV/AIDS is spread is through men who have sex with men, which makes up 43 percent, or 45,480, of all HIV cases in Florida. And of Calhoun, Franklin, Gulf, Holmes, Jackson, Walton and Washington — other counties in the region the local health department serves — only Franklin and Jackson counties saw increases, one and three new cases, respectively.
In August last year, the health department reported 390 total cases of HIV; as of Wednesday, 408 total cases were reported.
The rise is happening throughout the state.
"Florida is still ranking No. 3 in HIV cases; we're edging out California now," Vitale said. "Thank goodness (Bay) is small as far as demographics are concerned, but Miami and Fort Lauderdale, the epidemic is very prominent down there."
As technology helps produce better medicines for the disease, people are living longer.
Over 22 years ago, Vitale would attend three to four funerals a week for former AIDS patients; now, he said, there's a Lazarus effect happening.
"I was there during the first wave of all this when it started really hitting our area," he said. "The improvement of the quality of health and people living a lot longer now, since the beginning of the epidemic."
The health department provides social services to HIV and AIDS patients, from counseling and linkage to care services to housing and transportation support.
"We are hearing hopeful things like the 'C-word,' the 'cure' word, and that will be a great day, but until then, we are here and we're committed and doing what we have to do," Vitale said.
"It's a more manageable disease," he added. "Does that change the face of AIDS? Not at all. It's still an epidemic."
-What: Free HIV/AIDS testing
-When: First and third Tuesday each month, 4 to 7 p.m.
-Where: ER Diversion Clinic Village Health Center at the
-Details: Health Department, 872-4455
Bay, 408
Calhoun, 13
Gulf, 10
Holmes, 14
Walton, 62
*data from


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SLUGlobal-to-Banner Self-Service Grade Integration Now Available
The Office of the University Registrar, the Reinert Center for Teaching Excellence and Informational Technology Services have announced that grades can now be imported from your SLUGlobal grade center into Banner Self-Service.
Modifications must be made to your SLUGlobal grade center in order to transfer grades from SLUGlobal to Banner Self-Service.
The instructions can be found on the Center for Teaching Excellence's SLUGlobal faculty support site.Once you have set-up your SLUGlobal grade center, please reference the Grading Procedures webpage on the Office of the Registrar's website for further instructions.


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Dell Refurbished Coupon, Coupon Codes & Deals
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Jul 21, 2006
Non-elegant programming solution
So my next solution was to put motor B's action in parallel with the rest of the graphical code. I created a branch off of the main one and put motor B there... but here's the next problem. I can either program motor B to spin (rotation or degrees) in an Unlimited fashion, BUT I must have something for motor B to lift the item against and then when it hits, keep applying upward force (motor B still running, but the motor isn't actually spinning). This might work, but I actually need the item held parallel to the floor and not being pushed against something to hold it... once again, doing it this way works until motor B finishes its rotation and then the heavy object lowers again to the ground.
My solution isn't elegant, but I figured it was worth sharing in case someone else encounters this problem. What I did was configure Motor B to spin 90 degrees (.25 rotations) and at that point the object is being held, parallel to the ground. I then inserted a LOOP block - inside the loop block is MOVE block for Motor B to spin down .1 rotation and then another MOVE block that has Motor B spin up .1 rotation... I set the LOOP to loop Forever, and it worked... the bot holds the object parallel to the floor... the .1 rotation up and down motion isn't even noticeable... but the solution is that the motor is quickly spinning up and down, up and down and never powers down for the object to sink down again.
Anyone have a better solution? I tried applying a MOVE block that stops Motor B (braking) after the initial Motor B block lifts the object, but I didn't think it would work... and it didn't. What is really needed is for the MOVE blocks to have a check box that says "After motion is completed, lock the motor" or something similar to keep the motor from spinning.
If anyone else has any ideas, please post them.
20 comments:
I think the only other choice would be to make your own mechanical lock with other pieces. But that would a thousand times harder than your idea.
- Jul 21, 2006, 11:25:00 PM
- bob crean said...
This problem points out both a limitation of the NXT servo gearmotors as well as a possible opportunity for either LEGO engineers or others:
The workable range of power of the motors is extremely limited. If you want more power, you must design the system to use gear or lever reduction. Even so, the problem is that (as with many dc gearmotor systems), the output torque is not only limited, but constant. Lower load, faster speed, higher load, lower speed, until stall.
What we need is a current control option, which will specify not a speed, but a variable torque based on load. Using this, you could specify maximum torque to be applied to a variable load at it's heaviest point, then when it lowers, the torque is reduced so that the motor does not overspeed.
Many DC (as well as AC) servo systems can do this. I don't know what it would take to get it into the NXT, but it sure would be nice.
- Jul 21, 2006, 11:43:00 PM
- Philo said...
If you don't need too much speed, the worm gear is a solution, as it can't be driven by the gear it leads. But you get lots of down gearing and quite a bit of friction...
- Jul 22, 2006, 12:45:00 AM
It sounds like the motors are not able to supply enough static torque. The best solution in that case is to add some reduction gears.
I'm not sure if you have ever played with some of the hold lego motors but they could produce almost negligible torque and would stall quite frequently. The solution was some gear reduction, it slowed down the output rotation but the torque goes up proportionately.
You can experimentaly determine the amount of reduction needed for your application. Start with a small gear on the motor shaft and have it spin the biggest gear you have and then alternate big and small.
- Jul 22, 2006, 12:48:00 AM
Isn't it possible to read the location of the servo off the servo itself. If so could you setup your parallel program to pause based on the location of the servo and if it moves down, then move it back up?
- Jul 22, 2006, 1:18:00 AM
- Jim Kelly said...
Sorry, Anonymous... you'll need to be more specific as I'm not understanding exactly what your solution will look like.
I don't want the arm to move at all once it has achieved it's parallel position (to the floor).
By using very small incremental up-and-down movements with the LOOP-MOVE block combo, I can keep the arm at exactly the same point.
As for the other suggestions - gearing is definitely an option. Using the worm gear is something I'll look at, but the design of my bot doesn't really lend itself to using a gear for movement of the lifting mechanism... wish I could be more specific, but I'm not able to share this bot's design at the moment. But I'm still going to try it and see what it looks like.
Thanks, all.
- Jul 22, 2006, 1:33:00 AM
- Drew Stevenson said...
I had the same Idea as Annonymous so maybe I can explain it.
The NXT servos can note their own location to I think its 1 degree. Instead of moving up and down 1 degree forever (that'd be a bugger on battery life) why not power up that amount then let gravity have it only for that 1 degree it would take to notice. (gears would add more torque and a one degree motor change could be 1/24th (or less) of 1 degree. This power up, gravity fall cycle would conserve battery life. It might create a bit of shuddering but I imagine no more than a similarly powered cycle.
Personally I would choose Pneumatics for static heavy lifting. They are great for large loads from A to B position. They do require a bit of infrastructure but the huge number of studded pneumatics designs would slide seamlessly into an unstudded frame. Or you could probably redesign an unstudded framework. Unstudded air power systems might be more easily decentrialized than the old stud designs that needed to be grouped for strength.
What about using the break comand. Cycle forever a motor block that gives full power for 0 seconds and ends with a break. (perhaps a motor stop comand cycled forever).
Does the object need to decend again? if not an elastic band powered arm could be triggered into a support position after the lift.
What about a ratchet. Limit motion to one direction. Ratchets could be disengaged by a manual trigger (a post a the unloading zone could hit a beam connected to the ratchet and then allow for the drop but only at the desitination.)
Alternatively - use beams to take the motor motion and make it a pulling motion (which could then act on a bent beam to generate rotation elsewhere). using two beams pivoting you could make them "lock-up" fairly easily. But better still is to make the "end positon" so that the pin which is on the outside holes of the orange motor (or a 2xpulley) will be on the far side or near side of the rotation. Thus any pulling forces will pull through the center of rotation and NOT generate rotation. (above or bellow these points forces create spin. But right on these points no rotation can be generated from outside, leaving the servo free to act. (same benifits as a worm gear really but maybe more applicable to some designs.)
One final idea (for now):
Counter Weights. If the motor can move the weight then simply use a similarly weighted or leveraged counter weight with the motor as pivot. The motor can move under unloaded conditions (but will drift if no load is aquired to balance.) to pick up the other object. The weights then balance and it becomes easy for friction to mainatin the balance. You might not even need an identical weight. Just enough to get you into the friction zone (dont forget leverage - longer distance from pivot creates greater effect from smaller weight).
If you need lego weights they are avaialble from education lego but I find that the different battery packs work very well. My favorite esp. for studdless building is an only NXT that I got stuck with on a bad "as is" ebay order. ("seems to work but sold as is") Yeah now it works as a paper weight and counter wieght (and the power connectors are great for rewiring with gator clips).
Hope these ideas help SOMEONE out there.
PS ok 1 more - what about wheels on the grabber mechanism that bear weight when object is parrallel but when lowered or being picked up would squish a bit (maybe spring load the wheel support beam)so that they could allow movement and get themselves out of the way.
Drew "He of many ideas" is now hanging his idea-shotgun at bNXT with Filip, come say Hi.
- Jul 22, 2006, 2:23:00 AM
- Jim Kelly said...
Some excellent suggestions... I still don't see how my running the motors up-down in small increments will kill the batteries any more than letting gravity take control for a short time, then powering up again... but maybe I'm still not envisioning what you are seeing in your mind...
The robot's design is limited to what comes ONLY in the retail kit, so pneumatics are out for now... and the design also limits me to the simple lifting arm... but your idea of converting that to pulling energy is an interesting one...
I wish I could just post a silly picture of this thing for everyone to look at... but alas, my hands are tied for now.
Battery power really isn't an issue for the up-down motion of my motors, though - it only does this for about 10 seconds (time needed for the bot to reverse direction and return object).
Still, I hope everyone is taking note of all of these great suggestions for their own designs.
- Jul 22, 2006, 2:42:00 AM
Something about the ratchet (or however you spell it) -
Let's say you hook up two motors to a single port, port A. (Not possible as of yet that I know of.)
The first motor attaches to the port in a normal fashion. A ratchet allows this motor to lift the arm, but not lower it.
The second motor can be an old RCX motor which is attached to the same port, but runs through one or two of the small breadboards (sold at mindsensors.com) first. Using the breadboards, you could make a curcuit that links the motor to the port in a normal way exept that a diode only allows the motor to spin in one direction (for example if you told the NXT to spin the motor to the left, it would work, but if you told it to spin to the right, it would not work because of the diode).
This means that when you tell the NXT brick to spin the motors on Port A to the right, the first motor will spin just fine, lifting the arm, while the second motor remains stationary because of the diode.
However, when you tell the NXT to spin the motors on Port A to the left, well several things would happen.
1. At first the first motor which is attached to the arm will not work because of the ratchet.
2. The second motor WILL spin. Now, this second motor is attached to the ratchet, and lifts it.
3. Now with the ratchet out of the way, the first motor can lower the arm.
4. The second motor lifts the ratchet until it hits a beam and is unable to lift it any more; however, it is still applying force to the ratchet so it doesn't fall back down.
5. Now your arm is down, and everything is fine. When you tell the motors to lift the arm back up, everything will reset; the first motor lifts the arm, the second motor stops working, and the ratchet falls back into place because of its weight. Even if you just tell the motors to stop, instead of lift the arm back up, everything should work; the ratchet, if it is heavy enough, will fall back in place, and the arm will stay stationary.
Hmmm. . . seems kind of far-fetched, and clumsy. But I think it would work, the only problem is putting all of this into your design.
Oh, and the other problem is attaching more than one motor to a single port.
- Jul 22, 2006, 2:52:00 AM
- Gordon B said...
If you use the motor block and set duration=0 degrees and check wait for completion and brake then follow it with an infinite loop then it locks the motor until the program is ended.
- Jul 22, 2006, 2:52:00 AM
Hmmm. . . Jim's comment wasn't visible when I wrote mine a second ago.
My idea is most likely not possible with just the pieces in the kit.
- Jul 22, 2006, 2:55:00 AM
- Jim Kelly said...
Nice, Gordon... better.
I need to test it (unless you already did)... but it's excellent.
- Jul 22, 2006, 2:59:00 AM
- Drew Stevenson said...
Gordon, Thats a more elequent way of what I suggested: "What about using the break comand. Cycle forever a motor block that gives full power for 0 seconds and ends with a break. (perhaps a motor stop comand cycled forever)." I had not tested it.
Have you tested any variations of "Do alot of Nothing looped Forever".
I'd be excited to hear which variations of this theme work and how some of them might have "twists" (like use more power, hold more wieght, etc)
As for Power consumption if applying power to the motor uses up power then having a cycle where gravity is the only active force (friction counters it a bit) then you save power as compared to a power in both directions. My math says Power up AND down is more expensive power wise than Power up Gravity down as a loop.
But your right 10 sec is not bad.
Working with in the kit is great for everyone. It can be very frustrating for those of us with access to more, but remember that this might be some peoples firts forey into TECHNIC style parts. They need ideas and inspiration. Its easy to build with unlimited stuff but hard to limit yourself.
What about a picture of PART of the robot - a Module.
- Jul 22, 2006, 6:27:00 AM
- Gordon B said...
Ok, I tested this a bit more. It seems that a Move or Motor block works and you can just set it to Stop. As long as the program is still running the motor works to keep the rotation count unchanged (ie holds the motor in place).
I found this out earlier this week when I was trying out the idea of using a motor as a remote controller (as others have done). I wanted my control to automatically recenter itself if let go. Putting the motor on Stop does that but at full power which makes the controller too hard to move. I tried moving 0 degrees rotation with Wait and Brake at various power levels but the power level had no effect (even at 0) the motor still worked to hold the current position using its full strength.
I finally got something to sort of work but it had an oscillation that would keep moving slowly back and forth a little. I woiuld like comments on the program.
Is there a way to post an image to this blog?
- Jul 22, 2006, 8:50:00 AM
- Jim Kelly said...
I tried what you described, but the stop on the MOVE block did work for a second or so, but as soon as the next program block executes, power to motor B is turned off and gravity slowly pulls the arm down.
- Jul 22, 2006, 8:53:00 AM
- Gordon B said...
Hmmm ... what is the next programming block that does this? I just tried it now with a following move on a different motor, a sound block, and a wait block. The motor was still locked until I stopped the program.
- Jul 22, 2006, 9:18:00 AM
- Jim Kelly said...
I'll upload the old .rbt file I was using... I'll try to get it uploaded this evening.
- Jul 22, 2006, 10:01:00 AM
- Drew Stevenson said...
What about having the STOP motor block on a different branch linked to a variable on/off comand. that way the branch does not have to have a following block.
As for the remote - what about a code that basicly says: "If rotation not 0 turn on motor with power 10% untill rotation =0". Basicly this could be a Variable based on rotation sensor and a logic block connected to a motor block which may need directional control based on Plus/Minus values. This is on my list of things to test.
Does a power in put that is negative create a reverse or does it become positive or get ignored. I did a program I havent hada chance to test and was not sure if I should put a code in that created a positive or negative motor direction and then absolute valued the power. Was thsi wasted code? So much to test and so little time (and so few NXT's... Education please Ship.)
PICTURES: if you have webspace or a picture posting service post there and then just HTTP copy and paste the link. Thats easy (I dont thing Blog comments allow pics - but I dont know.)
- Jul 23, 2006, 5:58:00 AM
- Jim Kelly said...
Please email me...
- Jul 31, 2006, 11:41:00 PM
- aquabot said...
I think its better if you should play with some of the hold lego motors; I think they might produce the desired result....
- Sep 21, 2007, 8:59:00 PM


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LARK Un-Alarm Clock and Sleep Sensor
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- Casey Christofaris
- Munroe Falls, OH
- United States
Owner, CS3 Inc
This conversation is closed.
Is our math wrong? Is it our assumption of zero, or absolute nothingness?
There are know phenomena out there such as the gamma ray burst that total destroys(use loosely your ego wants to argue this syntax error not the mind) our current math and physics(e=mc2). But instead of saying well maybe we got a key part of our math wrong we make it so the phenomena matches our math. This is my personal take on what I think might be wrong. I think it has to do with our assumption of zero. Seeing how you can never have absolute nothingness as a base or starting point. Conceptually the idea of zero is great. I want an apple. But i am in a complete void of apples. I don't have a single one. Not even applesauce! I have ZERO apples. But I do not need to know that you have zero apples to know when you have 1 apple. On the other had I do need to know that you have 1 apple to understand that now you have 2 apple. I could be wrong. It just something that bothers me.
Also I am not a math person it has always been something I struggled with in school those pesky numbers. However in College I excelled at Logic, but that has been some time ago.
I am not say this is the answer I just say that I think there is something fundamentally wrong with our math
Barry Palmer
Oct 3 2012: Perhaps we have all been educated to believe that math is necessary to understand nature. Perhaps that is wrong. Math is necessary to advance technology.
- +3
If and when we do understand nature, perhaps math will be no part of that understanding. Zero will be irrelevant.
Oct 3 2012: Thank you that is a perspective I did not notice before about advancing technology. And really the only thing that comes to minded is we should not create AI.....yet .....yet. We need to learn to treat other humans like equals firsts, before we will ever see them as equals. Once we can do this see our fellow living creatures as equals, then we should advanced AI but only then.Oct 2 2012: "Zero quantity" is not quite the same as "nothing". We can have 0 dollars in the pocket. We can visualize that - an empty pocket. We can visualize vacuum - an empty space. We can visualize a 0 on a scale as a point relative to other points. But we cannot visualize "nothing" as a starting point of the universe - no space, no time, no matter, no energy... nothing. We cannot experience it or have evidence of its existence - because "nothing" in this sense, is non-existence itself. It's not even a void. "What is nothing?" is a loaded question. It implies that "nothing is...". We cannot even say "nothing is..." or "nothing is not..." - that would be saying too much about nothing. We cannot explain what is wrong with nothing. We cannot say ANYTHING about nothing. My post on this topic is one paragraph too long.
V Sudhakar
Oct 2 2012: It cannot be visualized but it has to be conceptualized because "nothing" is the opposite of "something".
- +1
Oct 2 2012: I agree. The problem is that this concept is apriori. It cannot be drawn from any experience. It cannot be drawn from logic. It cannot be defined in a way that makes sense. It's like one of those Zen koans that can only be understood by silent meditation, but cannot be taught or explained, because words or images always describe something, not nothing.
Oct 4 2012: You can 'understand' Zen koans if you have a proper context in your mind. Though 'understand' does not describe what you've got. Sufi poets have a word that can be translated into English as ' standing under ' , it brings holistic quality and more related to knowing , than knowing about . But you are right, it has something to do with Zero. It is nothing where something is dimly visible, but can't be fixed by understanding/language .Oct 6 2012: Re : In the world of information...
Our world is information. The idea that information is prior to matter is millennia old, but only now we seem to be ready to download it into our mind , iow to figure it out :)Oct 4 2012: That's it ! Zero is a concept.
We tend to separate Math from Philosophy, but they are not separate , nothing is.
"nothing" is the opposite of "something" and synonymous with 'everything'
Oct 5 2012: Good point. In the world of information, an infinite sequence of logical zeroes has the same amount of information as an infinite sequence of logical ones - none. In this informational sense, "nothing" and "everything" are identical. They equally make no sense.
One bit of information is born when a logical zero switches to one (or vice versa). That's when we have "something" and that's when it starts making sense. The universe is born when all these bits start toggling.Oct 2 2012: Nothing is blackness
Oct 2 2012: Is "blackness" same as darkness? When I visualize blackness or darkness, I see a black canvas or a black background with nothing on it, absence of light. But it has spatial characteristics. I can also imagine it for some time. Space only makes sense when matter is present to visualize separation between objects. Time only makes sense when there is a material periodic process, be it only a wave function of an electron. When there is no matter, no space, and no time, it's beyond our understanding. I know, this explanation does not make sense. That's the point.
It is not blackness, darkness, or silence. It is not huge, not tiny, not black, not white, it has no properties whatsoever. It is nothing. It cannot even be reflected or accurately represented by anything. One can only meditate on it. That's two paragraphs too many about nothing :)
Oct 2 2012: Well from my stand point reading your two paragraphs,i just stated blackness,it has no comparison to anything within this physical universe,from the paragraphs,you gave it form,spatial characteristics,"canvas" is there a possible inference to something that exists within this universe? and yes you can imagine blackness behind your eye's for as long as you want,now go into it while still keeping it behind your eye's and look back,there is no distance,no up,no down,no colour variations,light did not exist before it,it's just blackness,it's the emotive backlash that usually stops the mind from accepting it by trying to compare it to something,like you said it's not huge,silent,tiny but blackness is the only thing closest to nothing we have,it is the blackness when you are losing consciousness,it has no measurement until you change it or add to it.
If this isn't good enough then "nothing' will ever be good enough and the next reply will only mean the word "measurement"Oct 2 2012: Ken, I guess, you just used another word for "nothing". We can create different words or symbols to mean the same ideas. I just did not agree to use "blackness" to mean "nothing" because "blackness" implies color which is a property of something. But, as you explained what you meant, I agree that, perhaps, the only way to understand or experience "nothing" is to stop all brain activity altogether which is to stop experiencing whatsoever. I refer to your phrase that "it is the blackness when you are losing consciousness".
Oct 3 2012: That Arkady is a brilliant post,i like it,excellent arrangement,had me stumped,made me think there is no reply to your reply,it stands alone,cool man.Oct 9 2012: Zero is what all this discussing adds up to.
(To others that might post here. There are already over 400 posts. Read them first so as not to restate comments that have all ready been stated.)
Oct 9 2012: Actual it most certainly adds up to 1 at least one conversation. However I am fine with people submitting post. I am always up for a good game of devils advocate. Whether for or against these questions. The problem is most need to leave ego at the login. Ego is whats created when you put self first instead trying to see what the other person is actually talking about or trying to understand it.
This guys a good example of what talking out of ego does vs using your mind:
Oct 9 2012: Yes, I'd read this (I know Alan and follow his blog). Broun is a medical doctor and sits on the House Committee on Science, Space and Technology."
The same day this story broke there were two similar ones:
"Arkansas Republicans tried to distance themselves Saturday from a Republican state representative's assertion that slavery was a "blessing in disguise" and a Republican state House candidate who advocates deporting all Muslims.
Oct 9 2012: Yeah that is ridiculous that these people would come to some understanding on how that could be truth. That public policy needs to be influenced, for these things is amazing to me and makes me wonder how these people ever got elected in the first place.
Why is it so hard to see people/all living things as equals? I will never understand. Other then out of pure ego.
Comment deleted
Oct 9 2012: That could certainly be argued, I just don't get these people.Sep 30 2012: Re: " This is my personal take on what I think might be wrong. I think it has to do with our assumption of zero'"
Where is the logic to this argument? You have not defined what it is that you "think might be wrong," nor have you explained a concept of zero that would serve as an assumption.
Where did the concept of zero originate, what is its history? Let's start there.
"Initially, zero functioned as a mere placeholder—a way to tell 1 from 10 from 100, to give an example using Arabic numerals. "That's not a full zero," Seife says. "A full zero is a number on its own; it's the average of –1 and 1."
Much ado about nothing
Sep 30 2012: First I don't see why you have to add 0+1=1 if you have one of something wouldn't it just be one so 1 apple = 1 apple. I don't need to know that you started at zero to now understand that you have 1 apple. Now to know if you have 2 apples I must first need to know that you have one. So we could write that as 0+1+1= 2 or we could just go with 1+1=2. Also when you are using zero=nothing instead of zero=none when you write out the math problem it would read like this: nothing that is equal to an apple plus one that is equal to an apple equals one that is equal to an apple. Or it can be written like this: none that is equal to an apple plus one that is equal to an apple equals one that is equal to an apple.
But truly we like to group things (arbitrary units) to make it easier on the brain, for there is no such thing as 2 apples that are the same. They are all individual representation of what is apple. The cave man realized, all is a individual representation. Their math looked like this and also did not have zero, 1=1,11=2,111=3 ect. There are 7 billion individual people on this earth, grouped and categorical as a whole. But really it's 7 billion 1's not 7,000,000,000. For them to be identical they would also have to take up the same space time.
So if you want the big picture of what I am saying is that in the "physical world" There is no zero, no negative numbers and no 2(of identical things) and all that exist is a bunch of 1's. For we are all one
also you argued a Straw man
Sep 30 2012: Numbers are symbols, they represent ideas and concepts in a way that allow mathematicians to resolve the truth or falsity of conjectures. It's clear that you are not thinking on a higher order of mathematics, say calculating the motion of a physical object. If you're simply adding apples, you are correct, you will never need zero or negatives numbers.
Did you read the links?
David Hilbert said of mathematics: 'We are not speaking here of arbitrariness in any sense. Mathematics is not like a game whose tasks are determined by arbitrarily stipulated rules. Rather, it is a conceptual system possessing internal necessity that can only be so and by no means otherwise."
Oct 1 2012: Please tell me more on how are math and units of measurements are not arbitrary. How should we measure distances? Miles, feet, nautical mile, yards, meters, Roman mile,Arab mile, Meile? These units are arbitrary! For they can mean anything you want and any distance you want. So how do we measure distance? Use the "lowest common denominator"? The Atom? Then you need to ask how do we measure the the distance between Atom(x) and Atom(y)? Wait I know when we find the Higgs Boson that will tell us why we have mass. So we can use the Higgs or "God partial" to measure the distance between Atom(x) and Atom(y). But wait, how does the higgs have mass and how can we measure the distance between 2 higgs? This is never ending, its a circle discovery. This should lead to infinity and then lead to energy and then thats all there is and all there ever will be is energy in its infinite form.Sep 24 2012: A number of years ago, I had to travel to Detroit for business. While I was there, I heard a very interesting show on CBC Radio (Canada) about zero. The parties on the show also mentioned a book titled "The Nothing that Is:A Natural History of Zero" by Robert and Ellen Kaplan. It is a very fascinating book that talks about how zero came to be and why it is used as it is today. You can find this book on Amazon or probably at your local public library. I encourage you to locate a copy and read about it. The book is not long, but chock full of interesting historical info and tidbits.
Sep 24 2012: I definitely will thanks.
David Pyle
Oct 10 2012: Just a thought, the concept zero and the numeral 0 are both quite modern additions to western thought, being introduced via the arab world within the last 1000 years.Oct 9 2012: Zero most certainly exists. And there are places all around us where nothing exists. If we freeze time so that not a single molecule in the universe is moving we'll find that none of them are in contact with any other. So then there must be blank spaces. If we were to say that zero doesn't exist then how could we quantify the number of things in those blank spaces? Yes, zero as a number raises logical problems, but that does not mean our math is wrong, it simply means it is incomplete. When Sir Isaac Newton was working on gravity he never really reached a point that made sense, his theory had things being pulled, which nature never does. Does that mean his theory was wrong? No, it means it wasn't done yet. Even today, we don't really know exactly how gravity works but again, that only means we're not done learning about it yet. Math is the same way. We developed math to describe natural phenomena that we already understood (adding 1 apple to 1 apple makes 2 apples). Then as we came to understand new things and wanted to quantify them we developed new types of math, a great example is calculus. We first have to understand a phenomena, then create ways to quantify it.
- +1
Oct 9 2012: That empty space you talk about is not empty just can not be seen with the naked eye.
Technically all theory's are wrong and can never be proven right. So any theory is neither right or wrong.
There are no 2 of anything in the universe, there are groups of thing but each is an individual representation of what is apple(x).
Oct 9 2012: "Technically all theory's are wrong and can never be proven right. So any theory is neither right or wrong."
Is that your theory?
Oct 9 2012: That is "theory" it can only ever be proven wrong to some degree or another. So yeah theory's are never right or wrong. Only proven to be able to replicate the same process over and over again. Until proven wrong to some degree.Oct 9 2012: I think you misunderstand the scale I'm talking about. The objects I mean to discuss are smaller than we can see even with aid. You said you excelled at logic so I'll deal only with that. There are varying degrees of sized things in our universe, so there must be a smallest thing. Right now we haven't seen the smallest thing but if there is no smallest thing there cannot be things of varying size (since once things are different sizes there are smallest things). So if everything is built up out of these smallest things and they are not connected (because if they were connected they would be the same thing) then there must be a space between them. If there were no space between these smallest things then motion wouldn't be possible except as a group. That is the blank space I'm talking about, the epically tiny distances between the smallest units of matter.
You're correct, no two things are identical, but similarities cause things to fit into similar groups. For example: objects that have the quality of existence are things. Any object that can be said to exist falls within this group. Because of this group (which I don't see how it could be denied that objects that exist are things) we can quantify the number of things in a space. Say I have a space in which there are ten things that have the same exact size but every other property is different (thus satisfying that no two things are identical) and in the space there is enough room for 15 things. So there is 5 things-worth of blank space. Our universe is like this. Our observations have shown that 1) matter cannot be created or destroyed and 2) our universe is constantly expanding. Since new matter is never created there is always the same number of things in the universe but the amount of space is getting larger. If one quantity remains static while another rises then after a point the latter will always be larger. So if we don't have more space than things now at some point we will.
Oct 9 2012: Good day Kris,
"So if everything is built up out of these smallest things and they are not connected (because if they were connected they would be the same thing) then there must be a space between them." Would energy count as the connection? For we as organism "human" are not connected.
"If there were no space between these smallest things then motion wouldn't be possible except as a group." Is this not how the human body function as a group? E pluribus unum.
"That is the blank space I'm talking about, the epically tiny distances between the smallest units of matter." You that is matter has never touched any other matter ever. Our energy's touch other energy but we do not "touch" anything.
"Say I have a space in which there are ten things that have the same exact size but every other property is different (thus satisfying that no two things are identical) and in the space there is enough room for 15 things. So there is 5 things-worth of blank space. Our universe is like this. Our observations have shown that 1) matter cannot be created or destroyed and 2) our universe is constantly expanding." Have you heard of filling a glass with, rock, sand, water? Even an empty glass is not empty! Matter does not exist energy can not be created or destroyed. I would suggest that the universe is a torus or at least a double torus (which looks much like a figure 8. Also torus's can be found everywhere.Oct 9 2012: cont. Therefore, if there are not blank spaces now there will be. In these spaces there are zero things and nothingness.
Now, your point on theory. From an epistemic standpoint it is flawed. Truth is an absolute. My opinion on the best and most concise definition of truth is "an accurate representation of reality". So what's true is true and what's not true is false. Theory's are statements of what the theorist believes to be true. So if the theory accurately represents reality then it is true, if it does not then it is false. A theory is incomplete when it partially reflects reality and partially does not. I'll give a few examples: If my theory predicts that Barack Obama is President of the United States it is true. If my theory predicts that George Washington is secretary of state it is false. If a theory predicts both of the former then it is true in some aspects and false in others and is incomplete. Further, all knowledge begins as a hypothesis, then becomes a theory, and once it is tested its truth is determined and it becomes knowledge. If we add in the stigma that all theory's are wrong and can't be proven right then we can't have knowledge. By that logic nothing this thread, including your initial argument, can be substantiated and then we all have to admit we're wrong. Hume would agree but I take other issues with his theory, which would be a bit lengthy to discuss. The point is, your "theory of theory" has logical flaws that can't be avoided. I hope this is a bit more clear than before. If any premises above seem to be flawed let me know and I'll write another novel for you.
Comment deleted
Oct 9 2012: Mark,
Until I find a point at least in this conversation where we greatly disagree, and I mean greatly. You can always talk or post on my behalf (I am always interested in seeing your perspective), your written words are far superior to mine. :) Please just keep doing what you do.
An no worries I will always join in on the conversation :)Oct 8 2012: since you excelled at Logic, think of it like this Zero = Not.
John Smith
Oct 6 2012: How is this thread still going? Numerous people have pointed out there is nothing magical about zero, that it does not represent absolute nothingness, that it can be moved by a constant and that it is not the starting point of all math, in other words all the OP's questions and claims have been answered/debunked weeks ago.
- +1
Oct 6 2012: Actually outside out side of context, nobody has proven anything! Zero or "no thing" still does not exist and neither does two of any identical thing. So if you have examples in nature. Please feel free to put forward your argument, otherwise my questions still stand.
Here might be a helpful video for you to understand that the world you call reality is just as imagined as the dreams you have at night.
Oct 6 2012: Our maths aren't wrong, its reality itself that defies definition. For example, why is the result of a division by zero is undefined? The reason is the fact that any attempt at a definition leads to a contradiction.
To begin with, how do we define division? The ratio r of two numbers a and b:
is that number r that satisfies
Well, if b=0, i.e., we are trying to divide by zero, we have to find a number r such that r*0=a. (1)
But r*0=0
for all numbers r, and so unless a=0 there is no solution of equation (1).
Now you could say that r=infinity satisfies (1). That's a common way of putting things, but what's infinity? It is not a number! Why not? Because if we treated it like a number we'd run into contradictions. Ask for example what we obtain when adding a number to infinity. The common perception is that infinity plus any number is still infinity. If that's so, then
infinity = infinity+1 = infinity + 2
which would imply that 1 equals 2 if infinity was a number. That in turn would imply that all integers are equal, for example, and our whole number system would collapse!
So, what now? How about 0/0?
I said above that we can't solve the equation (1) unless a=0. So, in that case, what does it mean to divide by zero? Again, we run into contradictions if we attempt to assign any number to 0/0. Let's call the result of 0/0, z, if it made sense. z would have to satisfy:
z*0=0. (2)
That's OK as far as it goes, any number z satisfies that equation. But it means that the result of 0/0 could be anything. We could argue that it's 1, or 2, and again we have a contradiction since 1 does not equal 2.Oct 6 2012: Continued, silly character limitation -
But perhaps there is a number z satisfying (2) that's somehow special and we just have not identified it? So here is a slightly more subtle approach. Division is a continuous process. Suppose b and c are both non-zero. Then, in a sense that can be made precise. the ratios a/b and a/c will be close if b and c are close. A similar statement applies to the numerator of a ratio (except that it may be zero.)
So now assume that 0/0 has some meaningful numerical value (whatever it may be - we don't know yet), and consider a situation where both a and b in the ratio a/b become smaller and smaller. As they do the ratio should become closer and closer to the unknown value of 0/0.
There are many ways in which we can choose a and b and let them become smaller. For example, suppose that a=b throughout the process. For example, we might pick
a=b = 1, 1/2, 1/3, 1/4, ....
for all choices of a we get the ratio 1 every time! This suggests that 0/0 should equal 1. But we could just as well pick
b = 1, 1/2, 1/3, 1/4, ....
and let a be twice as large as b. Then the ratio is always 2! So 0/0 should equal 2. But we just said it should equal 1! In fact, by letting a be r times as large as b we could get any ratio r we please!
So again we run into contradictions, and therefore we are compelled to
let 0/0 be undefined.
So, yeah, zero does not exist, unless if you studied calculus and learn about Rule of L'Hôpital. Which then gets pretty whacky and my hands are all tired from typing and steering this spaceship at the same time so I am ashamed to tell you to just Wikipedia it. Sorry.
Oct 6 2012: Thank you Jon, that was awesome to read mathematically like that. However I would add that 0/0 could never equal 2. For there are no 2 identical things. Close very close but not identical.Oct 6 2012: L'Hôpital rule? Wait till you learn control systems or filter design, and you have to routinely multiply and divide by infinities and zeros to make machines and circuits work. Or wait until you take another path and come across ℵ0 and ℵ1.
Incidentally, how many digits are there in the decimal expansion of √2 ?
Jon Ho
Oct 6 2012: EXACTO MUNDO! Love the way how you think, keep it up! ;)Oct 6 2012: On the same theme, it seems that the known universe emerged at one time from no thing into everthing, where is the difference? Here the finite and the infinite, and the nothing are like the snake eating it's own tail, one becomes the one, contains the other. Into the black hole of absolute gravity pours everything. This is the point where science and philosophy come together in don't knowOct 6 2012: Just because you DON'T understand maths, does not mean there is something wrong with it.
- 0
What you describe is just Real Numbers. Have you made friends with Imaginary Numbers yet? ;)
For example, how many is -3³ apples, compared to 1 apple? How many is ∞ apples compared to 1 apple?
Once you finally learn more about fundamental mathematics, and mastered the higher level concept of maths, you will become one with maths, because maths is the key that unlocks the door of electromagnetism, fluid dynamics, and quantum mechanics, to name a few.
Or in lay-human terms, the maths that you think is "fundamentally wrong" is what gives you the television to watch inane politicians spinning lies, wireless communication so you can post on Facebook what you watched on television with your smartphones, et cetera. ;)Oct 6 2012: Zen has a bearing on this. In emptiness is everything. In everything is emptiness. When we look for something we find nothing but empty space, when we look for nothing we find everything. The presence of the universe depends upon the space in which it is manifest so the space is not nothing because it is full of everything. So zero is a nonsense into which everything fits.
We think of the vastness of the known universe but this is insignificant quite compared to the space that it is existing within, that's not nothing, it's everything.
Jon Ho
Oct 6 2012: YES! Finally someone gets it! ;)
- 0
Oct 6 2012: What! The great simulation?
Sorry John i couldn't resist a bit of good natured humor lol
Jon Ho
Oct 6 2012: There is no spoon :DOct 6 2012: Yes zero and infinity belong in the same "category" for they are both a construct of infinity. Once again I don't think anyone is disputing the usefulness of our current math system. IOct 4 2012: Humans have a habit of warping phenomena around the systems they have created to model the world around us. This true of a lot of the popular theories in contemporary physics. Dark matter etc.. these theories exist to fill the gaps around phenomena which we find difficult to explain.
- +2
Maths is, however, different. It depends on whether you believe the structure of the universe to be, fundamentally, mathematical, or whether you believe maths is just anothermodel we have created which (unlike physics) isn't designed to gesture out toward anything in particular. There is a great talk about this exact topic here: http://www.iai.tv/video/pythagoras-dream . It sets forth the basic arguments about mathematics and its nature from a variety of perspectives, you will definitely find it useful.
Oct 6 2012: Thank you, great videoOct 4 2012: Mathematics is a set of logical systems.
Most of the systems start with a few axioms, and all the rest is derived from it.
When you apply a kind mathematics to reality, it often works great. Sometimes the chosen set of (mathematical) rules does not apply or cannot answer the question pertaining reality you are asking.
Math as such is not "right" or "wrong". But you can try and find inconsistencies with certain forms of math and reality.
Oct 4 2012: I never said that math in "reality" is wrong:
This is more along the lines of reasoning I am trying to use quote is via Mark Meijer said "All reasoning is circular in the end.
Anyhoo... The point is all numbers and measurements are abstracts, zero included, and abstracts don't actually map onto reality, only onto eachother. It's all self-referential. Representation is itself an abstract notion, there is no such thing in reality.
Which is why all reasoning is circular, it is self-referential :).
But whatever. Your argument is basically "zero is useful". I don't think anyone is disputing that. But what is useful and what is true are two entirely different considerations."
Which is why the only "person we can not see is ourselves". you can see parts of our self but not all of it .Oct 3 2012: There is nothing wrong with our math perhaps except for the fact that it is not complete, as in there are things we know exist but cannot yet explain with mathematical models and proofs and there are most probably things that we don't even know exist.
However, the mathematics that we do understand falls beautifully in place like a glove. So much so that there are scientist that believe the only reality is the mathematical reality or that the only way of communicating with alien civilizations (creatures that we have nothing in common with) would be the language of mathematics: they would understand what zero means, and then one, and from that we can agree on the plus sign and equality and inequality and so on.
Math is beautiful, we should put more emphasis on teaching it and the way it is being taught.Oct 1 2012: Can you provide an example of where it, zero, is "the starting point of our math system?" I do not see that it is.
Let's also gain your understanding of what zero is a representation of, since you did not answer the previous questin about whether you read the links.
Obviously, one example is the use of an XY axis in a graph. The point where X & Y ( and even Z in a three dimensional representation) intersect is "0." But this is not to say that Zero is "the starting point of our math system." That is a complete misunderstand.
zero |ˈzi(ə)rō; ˈzēˌrō|
cardinal number ( pl. -ros)
no quantity or number; naught; the figure 0 : figures from zero to nine | you've left off a zero—it should be five hundred million.
• a point on a scale or instrument from which a positive or negative quantity is reckoned : the gauge dropped to zero | [as adj. ] a zero rate of interest.
• the temperature corresponding to 0° on the Celsius scale (32° Fahrenheit), marking the freezing point of water : the temperature was below zero.
• the temperature corresponding to 0° on the Fahrenheit scale (approximately minus 18° Celsius), considered a very cold temperature, esp. for outdoor activities : thirty below zero! See also subzero ."
Oct 1 2012: 0,1,2,3,4 also I don't think negative numbers should exist when look at the natural world or "the collective reality". Right the funny thing is you show very good examples of syntax errors that commonly occur do to language.
How can zero as defined by nothing be 0 degrees Fahrenheit and 18 degrees Celsius? Those might represent the same temperature but certainly don't mean nothing.
ze·ro [zeer-oh] Show IPA noun, plural ze·ros, ze·roes, verb, ze·roed, ze·ro·ing, adjective
1.the figure or symbol 0, which in the Arabic notation for numbers stands for the absence of quantity; cipher.
2.the origin of any kind of measurement; line or point from which all divisions of a scale, as a thermometer, are measured in either a positive or a negative direction.
3.a mathematical value intermediate between positive and negative values.
4.naught; nothing.
5.the lowest point or degree.
I only have a problem with the #4 definition.
P.S. try to hit the reply button so that way we can have a conversation thread instead of just posting on the general conversation.
Oct 1 2012: Note: One cannot reply to a reply of a reply. No button to hit, hence I added a new comment.
Progress! We have established agreement on the following:
1.the figure or symbol 0, which in the Arabic notation for numbers stands for the absence of quantity; cipher.
2.the origin of any kind of measurement; line or point from which all divisions of a scale, as a thermometer, are measured in either a positive or a negative direction.
3.a mathematical value intermediate between positive and negative values.
4.the lowest point or degree.
I'll stop here and be happy with a partial victory.Oct 1 2012: god I can't bear to watch this.....
Do you have any clue what a function is?
Like any clue at all? Do you know how math works?
If I would write 0 Fahrenheit in math would it not be Fahrenheit(0) or 0*Fahrenheit?
I've found the conversion function from celcius to fahrenheit on wikipedia btw.
If I would want to calculate how much 0 Fahrenheit is in degrees celcius would I not simply need to solve the equation: 0 = [°C] × 9/5 + 32.
Which means that Unknown * 9/5 = 32.
Which could also be written as (32/9) * 5 = unknown.
Which could also be written as Unknown = 17.77777777777777777777777777777.......
Where 17.777.... represents degrees celcius?
John Frum
Oct 1 2012: Theodore, I generally agree with most of what you're writing here. I suppose you'll understand why I don't want to participate in the discussion here. However, since you were asking about zero being the starting point of our math system, I thought I'd share an interesting aspect of math with you.
- +1
Some people look at all of mathematics as a derivation of logic. An old mathematician called Alonzo Church came up with a way of representing all natural numbers, and operations on them as an implementation of just logic.
Here, zero is the first number that is defined. And all other numbers are defined as successors of some number.
If you look at the set-theoretic implementation of numbers, https://en.wikipedia.org/wiki/Set-theoretic_definition_of_natural_numbers, again, zero is the first number and all the other numbers are just sets of other numbers.
It gets weirder from there! Just with logic, they then came up with rules of arithmetic, and the story goes on and on.
Oct 1 2012: This is excellent. Thank you for bringing it to my attention.
alex french
Sep 30 2012: Ok. In your question I couldn't find an actual question that was typed though I think I got the gist of what you're saying. Having read some of the comment and just becoming more confused as to what you're wanting people to talk about I would simply ask for a mroe clarified question for me to get my internet teeth into :)
- +1
Sep 30 2012: I hope you can keep your patience longer than I did... but I first tried to bring arguments to the table and then tried to explain him... eventually my patience ran out :(
I wish you all the best of luck though and I hope you can keep being this polite :)
Sep 30 2012: I read most of your conversation with OP but I think many of the problems you encountered stemmed from the initial lack of a common direction. A flaw which I've found many internet debates to have. Give a conversation some direction and it will get somewhere :)
Sep 30 2012: ye well apparently I'm a straw man consisting of 10 million little straws searching for my 0th straw while being a man searching for my zero point ;)
Ofcourse at the same time I'm all energy and one is all and all is one :s (insert more mumbo jumbo crap here)Sep 30 2012: I don't want to take sides in your previous discourse with OP so as to actually have mine start off on the right foot. Nothing personal :) thanks thoughOct 1 2012: I am saying that if in nature "our collective experience" of what reality is suppose to be. Zero as defined as nothing should not be the starting point of our current math system. For nothing can not be something and as soon as you point to nothing it becomes something simply by use viewing it.
alex french
Oct 1 2012: Hmmm. I'm going to assume that by " the starting point of our current Math system" you mean the starting point of our current COUNTING system (ie 0,1...). Would that be a fair assumption? From what I can tell our current Math system doesn't have a "starting point" per-se and is more of a collection of proofs, stacked on top of one another which allow us to manipulate and model concepts and ideas and further understand things about the nature of the world around us.
- +1
I would say that you can, indeed, have "none" of something (I have no apples) also I would say that you can have "nothing" in-terms of abstract concepts such as ownership. I would NOT say that you can say that there are NONE of something in existence if it is possible for that thing to exist but no examples have yet been found (ie, ET life). I would say that you can have a region of space which contains "nothing" but only in a few extreme examples like the one I will describe here:
This situation assumes that Inflationary theory is correct and that "if a tree falls and no-one hears it" it does indeed make a sound (< ie, things occurring outside the observation of an observer do indeed occur)
Lets say that an infinite time has passed from t=0 in the universe and all of matter is separated from all other matter by the impassable barrier of extreme distance. Also, as a result of the universe now being infinitely large, the CBR is now so spread out that it is negligible. With no masses/fields/particles/energy around I think some areas of space could then be presumed to contain "nothing".
That is a HIGHLY guess based example about which I do not know all the details. I'm simply offering a possibility off the top of my head. As an aside, I don't think this example of "nothingness" is particularly useful or holds an valuable insights at all.
I realise I got a bit off topic relative to your thoughts on "Zero as defined as nothing" in our math(/counting?) system but i got a bit carried away :)
Oct 1 2012: Yes math/counting system. What are you referring to as CBR?(common based reality?) I googled it and came up with Comic Book Resource. I am fine with labeling something as none of something because that also doesn't imply nothing. So with your example you are suggesting that say "the edge of the universe" is less dense of "energy". So if you went out far enough you could postulate that no energy could be found. As of now the only thing that is coming to mind is if we where in this "no" energy area would we still exist. And if we were able to make a suit or space ship that occupied this Nothingness or witness it. I would then suggest it would be because of our limited tools or equipment that would make this nothingness be perceived as nothing.
I would suggest that the "center of our universe" is most likely a black hole, simply because that is what the center of every galaxy is, this is not my idea someone else has already postulated this suggestion.
Also I believe I know why we have matter/mass


text:
To quote the great Dennis Miller, "now, I don't want to get off on a rant here..." but while I may get a big kick out of calling the guy President Amateur Hur, and its one of those "haha, but not really" types of jokes, I'm starting to get worried. Obama is starting to make George W. Bush look like James Bond.
Worse yet, I'm starting to think I can be president.
Since when do leadership skills matter anyway? All you have to have is a pulse
and proof of citizenship and you're all set!
I don't blame him for treating us like we're stupid, we all saw how increasingly idiotic his supporters became as the 2008 campaign wore on. If they were dogs McCain would be president right now because they would've had to be put down for liberal rabies long before election day. I'm sure Old Yeller would've appreciated knowing that all he had to do was declare his undying love for a vapid Democrat running for president and he would have never been shot.
The audacity of dope this president continues to put on display for the world is just hard to believe. He calls job growth caused only by the hiring of temporary census workers a sign of recovery like people are too dumb to know they're going right back to unemployment.
He then criticizes BP's CEO for going yachting while the oil spill continues, and he does it from a freakin' golf course.
So why is this not hypocrisy you may ask?
Clear his mind? WHAT MIND? Based on the decisions he has been making since taking office I hadn't noticed he actually had one.
So what Bill Burton is trying to tell the world is that the president has to relieve himself of stress, and pissing on the constitution isn't good enough because that's technically "work," so he has to go on the golf course on Fathers Day (where's his family?) with Biden, as if he needed yet another zero added to his scorecard.
Meanwhile the CEO of BP is obligated to work himself up into a stroke, because that's what the leadership of a beleaguered corporation needs right now?
Children are running the government! These guys think they're like the popular clique in high school who say and do ANYTHING they want while criticizing "outsiders" if they do the exact same thing.
Does anyone think its an accident that General Stanley McChrystal and his people blabbed to a reporter about the morons they have to answer to? These guys plan and predict the movements of TERRORISTS! You bet your butt they knew their words were going to go from the reporters pen to Barack's ears.
The General didn't exercise "poor judgment," he knew exactly what he was doing. He was crying for help, or for a real president...or a unicorn, I don't know...he seems to have an equal chance of finding any of those things in Washington DC these days.
Good lord...is it November yet?


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text:
Edit: I first posted this early in the week - but took it off immediately as it had an HTML error - which is now fixed.
Mar 27, 2009
NXT Bike
Edit: I first posted this early in the week - but took it off immediately as it had an HTML error - which is now fixed.
7 comments:
- Thomas Sheppard said...
I have the book and several others from people on this blog. I highly recommend them.
You are brave racing the bikes on a solar blanket atop a pool. That's confidence.
Keep up the good work.
- Mar 26, 2009, 12:21:00 AM
- Jojoguy10 said...
Hi, I droped one of my NXT motors in my pool before. I was trying to build a boat, and the motor fell. Thankfully the wire caught it before it completley sank to the bottom! Whew!
- Mar 28, 2009, 3:33:00 AM
- BlueToothKiwi said...
Thomas: Thank you for your support.
- Mar 29, 2009, 5:44:00 AM
- megamindstorm101 said...
It looks cool on water. It looks as if the cycles turn much much better. I need to build this model asap (i have the book).
- Apr 2, 2009, 9:47:00 AM
- BlueToothKiwi said...
Thanks MegaMindstorm.
I will try to create some additional content for the bike (on how to extend it) over the Easter holidays and post it in the Book download section (time permitting).
- Apr 3, 2009, 7:51:00 AM
- BlueToothKiwi said...
Thanks for the comment Jojoguy. It is not recommended - however I am pretty amazed how the NXT motors and PF motors still survive after the odd H2O exposure.
Checkout this post from Martyn:
Running a Motor Underwater
- Apr 3, 2009, 7:58:00 AM
- LEGOmom said...
Those bikes convinced me to buy the book! I can't wait for it to arrive!
- Apr 5, 2009, 12:54:00 PM


text: Comfortable earmuffs, perfect for the cold winter. These earmuffs come only per dozen in assorted colors. These are local stock items! Overnight shipping is available but not included. Minimum order is a dozen per color. The pricing reflects the cost of a single item only! Which will change by the amount you order!


text:
When Lupe King stepped aboard Cunard's newly minted Queen Elizabeth in New York for its maiden world voyage in January, not only was it the beginning of the ship's global service but also King's first day of retirement.
We should all be so lucky.
King was doing what a lot of us wish we could do, except worry about the practicality of leaving home for months at a time.
She learned that, though the desire to go to sea is impulsive, the planning can't be.
For their first globetrotting adventure, Lupe and husband Daniel prepared for six months before leaving on their multi-month sojourn, arranging for everything from automatic billing to a live-in pet sitter. Both have been teaching at a Milwaukee community college, where he continues to work as an instructor.
The Kings are but two of nearly 800 passengers on Queen Elizabeth's debut circumnavigation who will call the vessel home for 103 days while they visit 38 ports worldwide.
Compared with other world travelers, however, the Kings are just getting their feet wet. The record for globetrotting is held by a couple who have spanned the globe 25 times with Cunard and another couple who have spent more than 11 years, in total, aboard one or another of the line's vessels, said Robert Howie, the hotel manager of the 90,900-ton Queen Elizabeth.
Avid challengers to the world cup of cruising are Raymond and Leonnie Petitpren, with homes on the Gold Coast of Australia and near Daytona Beach, Fla.
They have circumnavigated the globe15 times,13 with Cunard.
For this couple, cruising is almost an addiction. When not globetrotting, they take Christmas cruises or weeklong sail-aways.
In particular, this maritime pair not only enjoy the ports, especially discovering unique restaurants at each stop, but also mingling with people of all nationalities, seeing old world-voyager friends, sharing camaraderie among passengers and crew, and, like many others, participating in the pomp and circumstance aboard Cunard's very British trio of oceangoing queens: Elizabeth, Mary and Victoria.
The Petitprens, for instance, relish ballroom dancing, a popular staple on the ship, as well as the line's many formal nights; indeed, for about a third of the evenings aboard the vessel, tuxes and gowns are de rigueur, while for the remainder suit jackets are required.
The regally appointed Queen Elizabeth struck a chord with the Petitprens.
"We think people just look better in formal attire," Raymond Petitpren noted.
The vessel embodies the glamour of high society in the 1930s and1940s. The Art Deco decor pays homage to the first Queen Elizabeth, launched in1938, with double- and triple-deck public areas and intricately detailed interiors replete with rich wood paneling, mosaics, gleaming chandeliers and cool marbles.
Howie noted that the average age of world-cruise passengers aboard the Elizabeth's maiden journey is 68, and fares on the 2,068-passenger vessel for the world cruise range from about $18,000 per person to a tad shy of $200,000 per person for the upper aerie of Queen's Grille suites, including even some duplex apartments.
For the Kings, their journey on the Queen will run about $70,000 for the nearly four-month voyage, excluding the inevitable add-ons such as excursions, wines and spirits, and expenditures for souvenirs and memorabilia.
The Petitprens estimate that couples should expect to spend about another third to half of the fare on such extras.
A veteran of a dozen world cruises himself, Howie cautions couples not to plunge in without sampling voyages of two weeks or longer. The Petitprens agree.
How to know if you're up for 103 days at sea
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Cunard liners Queen Elizabeth (front) and Queen Mary 2 (left) arrive in Sydney next to the Opera House (right) in the early morning of Feb. 22, 2011. The original 'Queen Elizabeth' and 'Queen Mary' cruise ships passed each other in Sydney in 1941, when both were being used as troop ships. (JAMES MORGAN, AFP/Getty Images / February 22, 2011)
- Florida Cruise Guide: Cunard Queen Elizabeth pictures
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