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Solar Power Without Solar Cells

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ANN ARBOR, Mich., May 9, 2011 — A dramatic and surprising magnetic effect of light could lead to solar power without traditional semiconductor-based solar cells. Researchers at the University of Michigan have found a way to make an "optical battery," said Stephen Rand, a professor in the departments of Electrical Engineering and Computer Science, Physics and Applied Physics. In the process, they overturned a century-old tenet of physics. "You could stare at the equations of motion all day and you will not see this possibility. We've all been taught that this doesn't happen," Rand said. "It's a very odd...Read full article

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