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Promoted item:50pcs 12X3mm Neodymium Disc Super Strong Rare Earth N35 Small Fridge Magnets

50pcs 12X3mm Neodymium Disc Super Strong Rare Earth N35 Small Fridge Magnets

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  • Condition
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  • 6d 10h 42m
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  • Item location
  • China
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    The item is listed as a Top Rated Plus item
  • US $11.95
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  • Quantity 10+Available
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About Neodymium Magnets

In recent years, advances in computer technology have prompted scientists to look into new kinds of magnets for computer usage. The most remarkable of these is the neodymium (or rare-earth) magnet. Unlike classical magnets, which are made of iron, neodymium magnets are made of iron mixed with the elements neodymium and boron.The result is a magnet that is very powerful for its mass. In fact, some neodymium magnets can hold up to 1300 times their own mass with their strong magnetic field. In other words, a neodymium magnet the size of a penny can hold up a piece of metal that weighs 22 pounds!Given the strength of neodymium magnets, they are finding a world of usage. Commonly, they are found in computers being used to stabilize hard drives in computer systems, as well as in transducers in high-fidelity earphones. With so much magnetic power in such a small package, it's no wonder these magnets are finding more and more applications each year.You have to be careful with neodymium magnets, though. They must be stored away from electronic devices, floppy disks, hard drives, and computer monitors--as they can do irreparable damage to any of these. Also, they must be kept separate from each other, as they have been known to shatter when they come in contact with other magnets.