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Electric generators are devices that use alternating magnetic fields to create current through a circuit.While large-scale ones are expensive and complex to build, you can build a small one quite easily.All you have to do is prepare a structure that supports the magnet and the cable, wind the latter to create a coil and connect it to an electrical device;finally, you need to glue the magnet to a rotating pin.The procedure described in the article is also perfect for teaching electromagnetic properties or as a science project.

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Shadow puppets are quite easy to make and are a good way to entertain children and adults.This article teaches you how to make shadow puppets with paper for fun and to entertain your audience!

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