Most smartphones even contain tiny neodymium magnets themselves ... Your credit card won't explode if it brushes past your fridge magnets, but you do have to be cautious around stronger magnets ...

SAFETY: Neodymium magnets are surprisingly powerful ... Magnetism to many people means the way fridge magnets stick to the side of a fridge that's made of steel. That kind of magnetic attraction ...

This is why iron and neodymium magnets are used in everything ... The next time you use a magnet—whether on your fridge or in a high-tech device—remember that you’re witnessing a natural ...