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Bill Gates on Tuesday announced that his foundation is awarding researchers at the University of Colorado a $780,000 grant to build a waterless, solar-powered toilet.
CU secured the grant through the “Reinvent the Toilet Challenge,” which calls on scientists to come up with innovative sanitation solutions.
CU engineering faculty member Karl Linden will lead the project that uses concentrated sunlight — which is focused with a solar dish and concentrator — to disinfect waste and produce biological charcoal, or biochar.
The material can then replace chemical fertilizers. Boulder Daily Camera
