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Powerful Ideas: Bacteria Clean Sewage and Create Electricity

Batteries made with microbes could help generate power by cleaning up organic waste at the same time.

Sewage is loaded with energy-rich sugars that researchers have struggled for years to convert into useful power. To do so, investigators have experimented with nature's experts on breaking down waste ā€” bacteria.

"It's kind of like the movie 'The Matrix,'" said environmental engineer Bruce Logan at Penn State University. "Instead of wiring people up to generate electricity, we are using bacteria to directly generate electricity."
 
 

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