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Build your own ultra-simple electric motor with only a battery, magnet, and a bit of wire. Takes only a minute to build, but will keep you mesmerized for hours. Makes a hypnotizing spiral screw movement. What makes this work? Leave a comment with your theories. Featured in Make volume 1. Cool science project. Impress your friends.


นี่ก้อด้วย
Homopolor Motor - Funny blooper videos are here