U.K. team researches thinner, cheaper solar cells

August 24, 2007 Enough solar energy falls on U.S. soil to provide 500 times the country's energy needs – but the cost of harvesting this free and sustainable resource is preventing people from using it to power their homes. That’s why scientists in the sunny U.K. are excited about the possibility of thin-layer photovoltaic cells that could bring the price of solar energy down and make solar cells a viable addition to the average home.

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