Archive for the ‘Chemical Energy’ Category

You have most likely heard of a potato battery, a lemon battery, an earth battery. Well here we present a plant battery powered LED light.

Back in the late 1800′s almost all of the telegraphs in the United States and Europe ran off “Earth Batteries” Here we take a fresh new look at the earth battery and how you can use this free energy to power your small electrical gadgets.

A mud battery is made with a zinc or graphite anode (the positive terminal), buried in mud, and a cathode (negative terminal) in the seawater, both connected by a copper wire. Here we take a look at how your backyard could supply you with energy to light your garden.