A Child's Puzzle Has Helped Unlock the Secrets of Magnetism | Quanta Magazine
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How Do Magnets Work? Find out in this list of magnet FAQs.
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A Child's Puzzle Has Helped Unlock the Secrets of Magnetism | Quanta Magazine
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How Magnets Work | HowStuffWorks
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Magnets with an OFF Switch
How do magnets really work?
