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Homopolar motor (scientific toy)
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Cool scientific toy that you can make in 10 minutes with one printed part, a battery, a magnet, and a piece of wire.
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Model information
- Source
- Printables
- Category
- Engineering
- License
- Creative Commons — Attribution — Share Alike
Instructions
- Print the cap and put it on a AA battery
- Stand the battery up on a neodymium magnet
- Take a piece of copper wire and bend it in the following shape (also see photos):
- Place the wire onto the battery and watch it spin! The cap should prevent the wire from falling off.