Fun tutorial from Wired that you can manage with things you have lying around the house.
Do you want to build an electric motor? You could probably find just about everything you need for a simple one around your house. Let me show you how to build it and why it works.
Start With Magnet Wire
OK, this is something you may need to buy. Magnet wire looks like plain copper wire, but has an enamel coating. This means that you can wrap it in a coil and the sides of one wire won’t create a conducting short path to the next wire. Instead, the current will travel in a loop. If you can’t find any around the house, I suggest RadioShack or the hardware store. Make sure you get wire thick enough that you can bend it so it maintains its shape.
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