When you push or pull with a simple machine, you are applying a force and doing work. And, if you get more force out of a machine than you put into it, then that machine has a mechanical advantage.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The first documentation of static electricity dates back to 600 BCE ...

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Inside nearly every electronic device is a simple coil of wire doing a powerful job—it’s called an inductor. Though small and ...