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Gold Air Nuggets

Researchers have accomplished a bit of modern-day alchemy, transforming 20 carat gold into an aerogel that's 98% air. The team believes that this new material could find use in a wide variety of applications from jewelry and watch design to use in chemistry and optics. http://www.engadget.com/2015/11/26/scientists-create-gold-nuggets-that-are-98-percent-air/ #tech

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