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So, I want to make a small hand-operated electric generator with my kids just to kind of show them how this kind of thing works. I understand the basics, but there are some things I want to do that I ...

An adult human can produce about 100 Wh of mechanical power whilst cycling, which is a not inconsiderable amount if you can convert that to electricity with reasonable efficiency. In a recent article ...

If you live in the continental U.S., chances are Mother Nature hasn't been particularly warm and friendly toward you lately. (And if you're lucky enough to live in a part of the country where “harsh ...