Researchers have devised a way to generate electricity using raw sewage and special bacteria.
Engineers at Stanford University call the invention a “microbial battery” and hope one day the technology will be suitable for use at sewage treatment plants.
For now, the prototype is about the size of a D-cell battery and looks like a “chemistry experiment with two electrodes, one positive, the other negative, plunged into a bottle of wastewater.”
Engineers at Stanford University have extracted …
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