There's magnetic ink hidden in here that prevents counterfeiting. Or, here I have some crushed-up bran cereal. OK? And that's also magnetic. Right?
How to spark your curiosity, scientifically | Nadya Mason
1 example from real videos — listen, replay, loop.
There's magnetic ink hidden in here that prevents counterfeiting. Or, here I have some crushed-up bran cereal. OK? And that's also magnetic. Right?
How to spark your curiosity, scientifically | Nadya Mason
There's magnetic ink hidden in here that prevents counterfeiting. Or, here I have some crushed-up bran cereal. OK? And that's also magnetic. Right?
How to spark your curiosity, scientifically | Nadya Mason