Discover how to transform everyday objects into useful energy devices in this exciting DIY science project. Learn ...

Here is the circuit of a compact hand powered generator that can awake little electronics by hand crank. This is a great vacation device that you can rely on to operate your small electronics. The ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. In case of an emergency, a portable weather radio can be ...

The Genecon motor/generator is a motor or hand cranked DC generator that is used to drive another Genecon motor/generator and/or to light a series of LEDs. The Genecon motor/generators are fragile.

While desktop 3D printing is an incredible technology, it’s got some pretty clear limitations. Plastic parts can be produced quickly in a 3D printer but can be more expensive or take longer to make ...