DEVICES

Ever wondered how that thing works? Explore the inner workings of many common devices and inventions, as well as those that aren't so common, such as compasses, gyroscopes and bug zappers.
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What's a "thinking cap" -- and could it make me a genius?

You've probably been asked to put on your thinking cap before, but have you ever wondered what it looked like or what it does? This thinking cap may not make you smarter, but it could help you tap into previously unexplored abilities.

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