How to Make Electricity With Bacteria-Coated Rubber

January 28, 2014 7:05 PM

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A new electric generator has a modest and unexpected energy source: A small strip of latex rubber coated with bacterial spores.

The contraption makes use of the harmless soil bacterium Bacillus subtilis, which has a neat survival trick. When nutrients are scarce, it turns itself into a tough little spore that can withstand heat, desiccation, chemical assaults, radiation, and anything else the world can throw at it. These spo...

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