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To Keep Stealth Edge, Pentagon Looks for New Ways to Mine 'Rare Earths'

They're used to build everything from stealth choppers to lasers and night vision goggles. They're even essential to making smartphones and hybrid cars. They're rare earths, seventeen hard-to-find chemical elements with unique physical and chemical properties: some are superconductive, others are amazingly heat-resistant. It makes the rare earths very much in demand -- especially at the Pentagon. The problem is, 95% of their market is controlled by China, according to the U.S. Geological Survey. ...

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Published By: Wired - Tuesday, 7 August, 2012