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South Korean toilet turns excrement into power and digital currency

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Reuters

By Minwoo Park ULSAN, South Korea (Reuters) – Using a toilet can pay for your coffee or buy you bananas at a university in South Korea, where human waste is being used to help power a building. Cho Jae-weon, an urban and environmental engineering professor at the Ulsan National Institute of Science and Technology (UNIST), has designed an eco-friendly toilet connected to a laboratory that uses excrement to produce biogas and manure. The BeeVi toilet – a portmanteau of the words bee and vision – uses a vacuum pump to send faeces into an underground tank, reducing water use. There, microorganisms…

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