but it lacked a sufficient coercivity — a measure of a magnet’s resistance to other strong magnetic fields,” explains Sagawa. “However, I knew that if we could produce magnets using ...

The Relax 5mm Science Kit contained small, powerful magnet balls that did not meet federal regulation. 4,240 of them have ...

When two magnets are close, they create pushing or pulling forces on one another. These forces are strongest at the ends of the magnets. The two ends of a magnet are known as the north pole and ...