YouTube on MSN

DIY hand-powered water pump generator | Build a mini pump & light LEDs with recycled materials!

Discover how to build a hand-powered water pump that also generates electricity to light up LEDs using everyday recycled ...
Ars Technica

Forever Flashlight (hand crank/shake powered) anyone use one?

I was looking at one of these:<BR>http://www.thinkgeek.com/gadgets/lights/5a9f/<BR><BR>As a gift or the larger hand crank one.<BR>http://www.thinkgeek.com/gadgets ...