Shown here is the testing equipment used by Harvard University's Wyss Institute to produce a reverse microbial fuel cell, which would use electricity and carbon dioxide to produce a biofuel. The machine which shakes the flask, called a turbidostat, is used to grow certain organisms and locate organisms which are good candidates for further study. Because it's a competition to survive, the Harvard researchers have nicknamed the machine the Evolvulator 1.0.
February 28, 2012 10:48 AM PST
Photo by: Martin LaMonica/CNET
| Caption by: Martin LaMonica
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