Saturday, May 17, 2014

These Massive Mirrored Dishes Could Make Solar Cheaper For All |...





These Massive Mirrored Dishes Could Make Solar Cheaper For All | FastCompany


So much sunlight hits the Earth each day that the world’s entire electricity needs could be met by harvesting only 2% of the solar energy in the Sahara Desert. Of course, using solar power as the world’s only energy source hasn’t been possible yet, in part because solar equipment is expensive to make (and getting the power out of the desert would be no easy feat, either). But researchers at IBM think they’re one step closer to making solar universally accessible with a low-cost system that can concentrate the sunlight by 2,000 times.






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