Discover how to harness the motion of a swinging pendulum to generate electricity and charge your smartphone in this hands-on ...

A signal generator is a handy bit of kit and with the right components, it’s pretty easy to build one. Fabricating a proper signal generator probe is another matter entirely. [Frank]’s DIY signal ...

SUGAR LAND, Texas - After the Big Freeze, and before hurricane season begins, a lot of people are reviewing their plans to get power in an emergency. While portable generators are very popular, a ...

The concept of building your own hydroelectric generator seems simple at face value: use gravity to impart as much force as possible onto a turbine, which spins a generator, thus generating ...

If MacGyver and Survivor Man got together and handed out an award, they might give it to the inventor of this incredible DIY water wheel generator. With some empty plastic bottles, a little wire, and ...