Unconventional Homopolar Motor

As a hacker, chances are that you have built a homopolar motor, as you only need three things: a battery, a magnet and some copper wire. There are zillions of videos on YouTube. This time we want to show you [Electric Experiments Roobert33]´s version. Definitely a fresh twist on the ubiquitous design that you see everywhere. His design is a bit more complicated, but the result makes the effort worthwhile.

The homopolar motor was the first electric motor ever built. Created  Michael Faraday in 1821, it works because of the Lorentz force. This force acts on any current-carrying conductor that …read more

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