DIY: The SunCat Solar Rechargeable Battery

Posted on February 17, 2009 by Doug Gunzelmann .

Knut Karlsen constructed his very own solar rechargeable batteries that can sit out in the light and convert the suns rays into stored power. He has documented this DIY project to create the prototype SunCat battery.

Zounds! Sound Is Energy!

Posted on December 3, 2008 by John Platt .

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Solar, wind, biofuels, tidal power — all green, all sustainable. But they are not the final word in power.
In fact, your very words could create power, according to new research out of Texas A&M University.

Energy Seed Lamp Runs on Expired Batteries

Posted on November 12, 2008 by Doug Gunzelmann .

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Alkaline batteries are horrendous for the environment and require special care and treatment to recycle properly. Unfortunately this happens far too little. The Energy Seed LED halo shaped lamp uses the little remaining bits of juice left after the battery is otherwise unusable, and illuminates itself.