Magnetic Trivia - Things to Know About Rare Earth Magnets
Rare earth magnets are strong permanent magnets comprising alloys and rare earth substances, such as samarium, praseodymium, neodymium, and thirteen more elements. Although, the discovery of these elements dates back to the 1800s, it was not until late sixties when a laboratory of the US Air Force used samarium and cobalt to make the largest magnetic anisotropy. The force created was so extreme that the magnetized object could easily resist being pulled in the opposite direction.
View full press release