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 ...

Lost in the woods near a stream, with some empty water bottles, wire, plastic plates, and a stepper motor, *and* you need to charge your smartphone? Try this. OK, so perhaps you wouldn't ever be ...

[Paul Junkin] bought a curious product off the Internet. It was supposed to generate electricity when hooked up to a running hose. Only, it didn’t do a very good job. His solution was ...