IYPT 2019 Elements 066: Dysprosium: Hard drives and wind turbines

Element 66 in our International Year of the Periodic Table series is dysprosium. Dysprosium and its compounds are used in some computer hard drives, radiation dosimeters, and motors and generators for electric cars and wind turbines. Computer hard disk drives contain small amounts of dysprosium compounds in their surface coatings. These dysprosium compounds are highly […]