IBM created the world’s smallest magnet using a single atom, and used it to store computer data.
It is amazing how fast the arrow is shot from the magnets with hole. Watch in the video the Magnetic Darts, a magnet arrow launcher
Take a look at this Levitron, a top that floats due to magnetism and gyroscopic stability. The wooden base contains a large ring shaped magnet
Some long-duration gamma-ray bursts, driven by strongest magnets, created the biggest explosion in the Universe.