
NATIONAL HARBOR, Md.–Silicon translates sunshine into electricity–and Earth receives enough sunshine in a daylight hour to supply all of humanity’s energy needs for a year. But despite being as common as sand, photovoltaic panels made from silicon–or any of a host of other semiconducting materials –are not cheap, especially when compared with the cost of electricity produced by burning coal or natural gas.
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SunShot: Lowering the Price of Electricity from the Sun
