rare earth metal

Dysprosium is a chemical element with the symbol Dy and atomic number 66. It's also a rare-earth metal, found mainly in the clay ores of southern China. Dy has one of the highest magnetic strengths of any element, making it ideal for electric motors used in battery-powered vehicles, but access to ...

Reports of the death of rare earth metals might have been greatly exaggerated. While it remains true that China mines almost all (i.e., more than 95 percent) of the rare earth minerals that are taken out of the earth, the Wall Street Journal is reporting that recent news ...