and you can see that the dollar bill gets lifted by the magnets. There's magnetic ink hidden in here that prevents counterfeiting. Or, here I have some crushed-up bran cereal. OK?
How to spark your curiosity, scientifically | Nadya Mason
How native speakers pronounce “counterfeiting”
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and you can see that the dollar bill gets lifted by the magnets. There's magnetic ink hidden in here that prevents counterfeiting. Or, here I have some crushed-up bran cereal. OK?
How to spark your curiosity, scientifically | Nadya Mason