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Photons, man, it's all about the photons. Japan's solar sail-equipped IKAROS probe has recorded its first propulsion derived from the force of sunlight rays hitting its tender surface. The force generated is a truly minuscule 1.12 millinewtons, but that can go a long way (literally) in a frictionle

4 years ago 0 Comments
July 14, 2010 at 5:31AM
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Each week our friends at Inhabitat recap the week's most interesting green developments and clean tech news for us. This week Inhabitat reported live from the scene of the Solar Decathlon in Madrid as 17 stunning solar-powered houses competed for the title of the world's most energy-efficient pre

4 years ago 0 Comments