Discover how to build a simple electromagnetic motor and generator using everyday materials in this hands-on science ...

All “methane generator” jokes aside, This one actually serves a useful purpose. Although not an engine hack per se, methane can be used to run an engine. As the traditional method of powering an ...

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 ...

If you were not aware, LEDs can also work in reverse: they deliver tiny amounts of current, in the microamp range, when illuminated. If you look on YouTube you can find several videos of solar panels ...