The developing world has a problem. 2.5 billion people don't have access to proper sanitation the way we first world folk are used to. Excess waste without proper disposal leads to waterborne illness. The Janicki Omniprocessor may solve both of these problems.
A big machine moves human waste up a conveyor belt and boils it, releasing steam that creates electricity. The remaining vapor is re-liquified and goes through a purifying process, resulting, in less than five minutes, in clean drinking water.
Bill Gates believes the Omniprocessor could be a real game-changer for the developing world. At the end of this video, you can watch him drink a glass of water that used to be poop.