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Published online 26 February 2004 | Nature | doi:10.1038/news040223-10
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Sucking energy out of the drain
Microbes in wastewater make a handy household battery.
Flushing the toilet could help supply your home with electricity, thanks to a device developed by US researchers.
They have shown that electricity can be generated from domestic wastewater, which is full of organic matter from cooking, cleaning or sewage.
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