He was a magnetic man of steel. Doctors at a New Delhi hospital removed 39 coins and 37 magnets from a man’s intestine after he swallowed the metals under the assumption that ”zinc helps in ...

The rotor is a styrofoam sphere with neodymium magnets embedded around its equator ... [IamWe]’s calculations show that the single CR2032 coin cell should power this motor for over two years.

but as the coin-hunting TikToker explained, the rare ones have a specific metal composition. The easy way to test if you have the high price tag penny is by touching it with a magnet—if it ...

The magnetic field is shown by lines with arrows that point from north to south. You can tell how old some coins are by testing them with a magnet. 5p and 10p coins made before January 2012 are ...