and it may soon be possible to build permanent magnets as strong as neodymium magnets, but without any rare earth metals. In fact, the only thing needed to make them is iron and nitrogen ...
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 ...
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Can Magnets Really Damage Electronics? What You Need To KnowOld TVs and computer monitors used cathode-ray tubes (CRTs), and they relied on electron beams guided by magnetic fields to create images. So, a strong magnet nearby could throw those beams off ...
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