What can you do with a hair dryer besides dry your hair? Lots. You can remove stickers from clothing, clean up crayon marks, and mold your plastic eyeglasses for a better fit. But how about something a little more fun? Well, you can levitate things. Ping pong balls, to be exact.

Implementing a cheap trick that looks really sweet is always a good way to impress people. And for this levitation trick, all you’ll need is a blow dryer, a ping pong ball, and a lab coat to make it look official.
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The science behind the trick is based off of Bernoulli’s Principle, so if you want to sound… more

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