Mud-Powered 'Soil Lamp' Proves Water and Electricity Go Together Well

This zany lamp created by Marieke Staps outdoes most lamps in more ways than one: the electricity is powered through the organisms contained in the mud. The mud is enclosed in cells that contain copper and zinc, which conducts the electricity in the LED. Besides doing wonders for your energy bill, Staps claims that… »11/13/08 11:15pm11/13/08 11:15pm