Deep-sea battery comes to light
Microbes fuel electrical current at hydrothermal vents
By Devin Powell, 15:51 PM December 9, 2011
SAN FRANCISCO — Scientists have discovered an unusual kind of battery at the bottom of the Pacific Ocean: a living one, fueled by microbes that live near hydrothermal vents.
As they munch on noxious chemicals bubbling from the seafloor, these critters create electrical currents that flow through the walls of the chimneylike structures they inhabit.
“The amount of power produced by these microbes is rather modest,” said Harvard biologist and engineer Peter Girguis, who presented his resear...
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