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DIMONA, ISRAEL -- On the scorched floor of Israel's Negev Desert blooms a field of 1,640 robotic mirrors that behave like sunflowers.

 

Slightly larger than pingpong tables and guided by a computer, they turn imperceptibly to follow the sun and focus its rays on the pinnacle of a 200-foot tower, where a water boiler will soon start producing high-pressure steam.

 

This futuristic assembly is Arnold Goldman's scale model and testing ground for five larger solar fields his company plans to build in the Mojave Desert to supply up to 900 megawatts of clean energy to California in the next decade.

 

(Courtesy of The Huffington Post)

 

Plus there is a little demonstration how the system works, if you go to the link :)

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Les déserts pourraient devenir de véritables solar farms, surtout dans des régions en manque d'électricité comme la Californie ou l'Arizona.

 

Le problème c'est que les matériaux servant à fabriquer des cellules photovoltaïques sont très rares et coûtent très cher.

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