Solar cell efficiency could double with novel 'green' antenna

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The use of solar energy in the US is growing, but panels on rooftops are still a rare sight. They cost thousands of dollars, and homeowners don't recoup costs for years. But scientists may have a solution. Researchers report the development of a unique, 'green' antenna that could potentially double efficiencies of certain solar cells and make them more affordable. These antennas are made with biological and non-toxic materials that are edible in theory, one researcher said.

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