Alternatives to truly ‘rare earth’
October 18, 2011
Dr. Lowman’s latest Nature’s Secrets column in newsobserver.com: Yttrium, promethium, europium and luterium may sound like mythological characters, but they’re rare-earth elements that comprise the backbone of new technologies for the 21st century. Their discovery in recent years has advanced the electronics industry. Yttrium, when alloyed with other elements, forms part of aircraft engines; promethium […]