green technology

Science

What are Rare Earth Magnets?

We know magnets attract other magnetic materials. There are two types- permanent & temporary magnets. This session will cover rare earth magnets- a type of permanent magnet, in detail. Rare Earth Magnets: Rare-earth magnets are the strongest permanent magnets, made from alloys of rare earth elements, mainly from the lanthanide series. Developed in the 1970s and 1980s, they produce much…