Most people are unable to pry this extremely strong rare-earth magnet from the metal plate it's attracted to.
R are earth permanent magnets are very strong but fairly expensive to produce.
They play an important role in electric motors that drive CD ROMS, other computer components, and some electrical systems in automobiles. Cheaper production methods would permit wider applications for these magnets, lowering product prices and leading to significant energy savings. A team of researchers has discovered a method of controlling the solidification process of rare-earth magnets, making them easier and less expensive to produce commercially. The team was led by Charlie Sellers, of the Idaho National Engineering and Environmental Laboratory, and Bill McCallum, of Ames National Laboratory. If it doesn't have to cool as rapidly, it can be produced using the simpler, cheaper method of gas atomization.