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Ingenious Gates-Funded Machine Turns Feces Into Drinking Water

He watched the piles of feces go up the conveyer belt and drop into a large bin. A few minutes later, after a machine boiled and treated it, Bill Gates took a taste and proclaimed it, "Delicious -- as good as any I've had out of a bottle." The self-powering machine produces water and electricity (plus a little ash), and no nasty smell.