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World's first solar power plant that can work at night

How can one use solar energy after the sun sets? Simple: store the sun's heat in molten salts.

The world's first solar power plant to employ such technology—a thermal power plant that concentrates the sun's rays with mirrors on long, thin tubes filled with the molten salt—opened in Syracuse, Sicily, on July 14...

August 4, 2010 — David Biello
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