1.0planet forward//www.getitdoneaz.comcaltechmr//www.getitdoneaz.com/author/caltechmr/no pooh-poohing caltech's solar sanitation system - planet forward - 克罗地亚vs加拿大让球
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researchers from the california institute of technology have created a prototype for a solar-powered sanitation system that can be used in remote parts of the planet that are not currently served by municipal sewage systems. caltech’s prototype, which won first place in the reinventing the toilet challenge hosted by the bill & melinda gates foundation,...