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Researcher Abraham Ishihara shows his models for analyzing solar panel performance at Carnegie Mellon University in Moffett Field, California on July 1, 2015
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Solar panels on a building at Ames Research Center in Moffett Field, California, on July 1, 2015
Rain could make your solar panels dirtier, not cleaner
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Researchers are trying to figure out factors that affect the life of solar panels
