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"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. (via Blueprint: Engineers Invent A Healthier Toilet | Popular Science)
The people of MaP (Maximum Performance) are devoted to one goal: improving the design of flush toilets. In order to effectively test toilets, they need a material that accurately simulates human-delivered content. Their research led them to create 350 gram segments of soybean paste, which are dropped into a toilet from an appropriate level and location. (via Artificial Toilet Testing, uh, Material)
The Icelett is a plumbing-free toilet with a built-in refrigeration unit. Basically it’s a freezer-like bucket for doing your business in that retards all of the biological activity in the waste by cooling it down to five degrees. All that’s left for you to do is empty the poop into a composter or a compost heap every now and then and let nature take care of the rest.