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Educate young kids and teens about magnets and how dangerous they are if swallowed. Keep high-powered magnet sets away from kids. Immediately get help if you think someone has swallowed a magnet.
Nachtwey recommends a 500-pound magnet for kids. Magnets of that power are still strong enough to pick up coins and small objects but weigh much less than larger, higher-powered pieces, making them ...
Magnets have come a long way since a shepherd in Magnesia in northern Greece noticed the nails in his shoe and the metal tip of his staff were stuck fast to a magnetic rock (or so legend has it).
Carmakers need the magnets for the electric motors that run brakes, steering and fuel injectors. The motors in a single luxury car seat, for example, use as many as 12 magnets.