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/sci/ - Science & Math


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File: 56 KB, 400x364, Marvelous.jpg [View same] [iqdb] [saucenao] [google]
4864364 No.4864364 [Reply] [Original]

How would you make one of these? What kind of magnets do you use, and how would they be arranged? (I know I could just buy one, but I think I can learn a lot by actually building one).

http://www.youtube.com/watch?v=nX4AqSGbL9U