In this day and age, quite a few different products require neodymium magnets
. A computer's hard disk has magnets in it for head actuators and for magnetic resonance imagining. Also, the motors of some electronics contain rare-earth magnets. The neodymium magnet has become invaluable for computers, motors, appliances, and even cars. Hybrid and fully electronic vehicles also are improved by rare-earth magnets. A lot of the advancements in technology are due to the use of these magnets.