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Bill Gates Funds Futuristic Toilets: No Piped Water, Sewer or Electricity Needed

Poop in, clean water out. Bill Gates has invested more than three million dollars on behalf of the 2.6 billion people around the world who don't have access to modern toilets. Yesterday, the three winners of his "next-generation toilet prize were announced, showcasing innovative designs that capture and process human waste without piped water, sewer or electrical connections. Even more impressive, the toilet prize-winners all transformed human waste into useful resources, such as energy and water.