Mastery of rare-earth elements vital to America's security
Wednesday, March 17, 2010 - 06:42
in Physics & Chemistry
WASHINGTON, D.C. -- Karl A. Gschneidner Jr., a senior metallurgist at the U.S. Department of Energy's Ames Laboratory, today cautioned members of a Congressional panel that "rare-earth research in the USA on mineral extraction, rare-earth separation, processing of the oxides into metallic alloys and other useful forms, substitution, and recycling is virtually zero."