In 1972, two scientists reported the discovery of a very strong magnet. Their paper said:
We found a new magnetic material which has the highest saturation magnetization at room temperature...among those of all the magnetic materials.
Not only is this material one of the most magnetic objects known, it is made from two very ordinary elements: Iron and Nitrogen. For forty years, people went back and forth on whether this magnetism was real. In this video, we explore the decades-long mystery of the Iron Nitride magnet.
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