Article of the Day: Magnets

Article of the Day:

A magnet is defined as any material capable of attracting iron and producing a magnetic field outside itself. Magnets are essential for the generation of electric power and are used in motors, generators, information storage, ATM cards, TVs, and numerous other applications. By the end of the 19th century, all known elements and many compounds had been tested for magnetism, and all were found to have some magnetic property. However, only three elements exhibit ferromagnetism. What are they? More…:

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