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

[Glenn] from The Back Shed has built a lot of windmills and stationary generators over the years, but recently decided to try his hand at building something a bit more portable. The charger is based ...

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 ...

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 ...