24 Aug '12, 1pm

Toilet prototype turns human waste into energy:

Toilet prototype turns human waste into energy:

Bill Gates tours the Reinvent the Toilet Fair in Seattle. Photo: The Bill and Melinda Gates Foundation Bill and Melinda Gates want to harness the power of our excrement. No, seriously. And when you bring that idea to some of the world’s most inventive thinkers, it turns into innovation that could actually do some good for the environment and therefore, human health. Earlier this month, The Bill and Melinda Gates Foundation sponsored a fair in which universities and other research facilities competed to reinvent the toilet . A prototype for a throne that turns human waste into energy won first prize. The solar-powered toilet, which earned the California Institute of Technology the $100,000 prize, turns urine and feces into hydrogen gas, which are then stored in fuel cells to be used as a secondary energy source for dark or low light conditions. A look at the California Inst...

Full article: http://earth911.com/news/2012/08/24/bill-gates-toilet-pow...

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