As part of its testing, Joule Unlimited purchased specialized equipment that allows biologists to get fine-grained control over the environmental conditions for growing microbes. Here carbon dioxide and nitrogen, the main element in air, is pumped in from the bottom to stimulate growth of the cyanobacteria. Red LEDs (seen a bit at bottom of photo) are the source for mimicking sunlight.
March 25, 2011 4:00 AM PDT
Photo by: Martin LaMonica/CNET
| Caption by: Martin LaMonica
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