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"Remember that yeast-and-sugar-powered generator from Dr. Cedrick Ngalande of Malawi we spotted a while back? Ol' Ced's back with a video of the system in action -- and an explanation of how it works, to boot. Just as most of you guessed, the system is powered by the yeast / sugar mix giving off CO2, leading to a pressure imbalance which tips the center of gravity and causes motion. What most of you didn't guess, however, is how freaking slowly that would happen -- check out the video after the break, and then wake up and wipe the drool off your face, slick.[Via BoingBoing]"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2008/01/24/video-of-the-yeast-and-sugar-powered-generator-in-action-experi/>