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Good News in History, April 25
71 years ago today, Bell Labs finished the first functional solar cell, allowing for a panel of metal and glass to refract light and heat from the sun into it and generate a current of electricity. The inventors were Calvin Souther Fuller, Daryl Chapin, and Gerald Pearson, and their intention was to power a satellite […] The post Good News in History, April 25 appeared first on Good News Network.
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