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 ...

Anyone who has gone to school in the United States remembers the smell of diesel exhaust from riding the iconic yellow school bus, but few realize the danger of breathing those fumes. Thankfully, our ...

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 ...