Mastery of rare-earth elements vital to America's security
Sunday, March 21, 2010 - 23:35
in Physics & Chemistry
Used in everything from batteries to electric motors, rare earth elements are vital to America's security, a senior metallurgist at the US Department of Energy's Ames Laboratory, told members of the Investigations & Oversight Subcommittee of the House Committee on Science and Technology. Yet, the great majority of rare earth mining and production currently takes place in China.