Gallery: Solar Powered Sol-Char Toilet Zaps Poop into Fertilizer Bricks

The Sol-Char solar powered toilet zaps poop into useful biochar briquettes.

Researchers at the University of Colorado designed a new toilet called the Sol-Char that zaps poop into biochar using nothing but the sun. Led by Karl Linden, the team installed fiber-optic cables that scorch waste deposited in the toilet to yield dainty briquettes of biochar. These bricks of sanitized human waste are then used as fertilizer, which will hopefully give farmers in developing countries a much-needed boost.

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