Popular Science -
21 Mar 2013 17:40

This is no ordinary john. "One-and-a-half million children die each year from diseases related to poor sanitation. We’re building a disinfecting toilet that doesn’t need running water or massive treatment plants and is cheap and odor-free. It’s a squat toilet, which is what many people around the world prefer. The waste falls onto a sloped conveyor belt. Solids stick, and liquids run off into a bed of sand, which filters everything 10 micrometers or larger, including most pa...
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