Bacteria-Coated Rubber Generates Electricity

January 28, 2014 8:59 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.

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