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Ames Laboratory senior scientist Bill McCallum talks about controlling the element cerium for use in rare-earth magnets. McCallum is working to develop a rare-earth magnet that uses more abundant cerium in place of neodymium. McCallum's work is being funded through a recent grant by ARPA-E, the Department of Energy's advanced research agency.
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In an article in International Innovation, DOE Office of Science Director Dr William F. Brinkman outlines the Office's efforts to address increasing energy requirements, which include research initiatives aimed at developing new technologies.