February 22, 2012
Visting North America's Only Rare Earths Mine
Kyle Wiens, The Atlantic
Molycorp is the only US company that produces the rare earth metals used in devices ranging from wind turbines and electric vehicles to missile-guidance systems and compact fluorescent lightbulbs. There are seventeen rare earth elements, including praseodymium (used to make photographic filters), neodymium (used to make permanent magnets in hard drives and other electronics), and europium (used to make fluorescent light bulbs and TV screens). . .
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