new method to collect solar power – from balloons
“Energy: It may sound silly, but metallised balloons could provide an unusually cheap and effective way to generate solar electricity”
From The Economist print edition
http://www.economist.com/science/tq/displaystory.cfm?story_id=13174508
Instead of using expesive solar cell, Cool Earth Solar of Livermore, California, has come up with what it hopes will be a better, cheaper alternative: balloons.
CES is larger than party balloons, with water-cooled surfaces, and sold as $2 each.
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