Homopolar motor
Make a 10,000 rpm motor in less than a minute using only one drywall screw, one 1.5 V alkaline cell, six inches of plain copper wire, and one small neodymium disk magnet. (Any metallic magnet which has a north pole on one flat face and the south on the other will do.)
Wow.
posted by wurp at 9:37 PM
2 Comments:
See another version of homopolar motor at :http://www.youtube.com/watch?v=jw9eW2jAY4Y
Great video, thanks!
And a great idea to make some cash, whoever did the video...
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