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March 22, 2006

Bacteria could power tiny robots

Researchers at Rice University and the University of Southern California have embarked on a project to harness the power of Shewanella oneidensis, a microorganism that essentially spits lightning. Rather than consume oxygen to turn food into energy, Shewanella consumes metals.

The waste product of its metabolic process comes in the form of excess electrons stripped from the metals but not recombined in subsequent chemical reactions. The bacteria lives in soil, water and other environments and can extract its necessary nutrients from a variety of materials.

Complete Article

Posted by thinkingmachine at March 22, 2006 06:56 PM

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