Metals are the only substances that are magnetic. But some metals are magnetic and some are not. The most common magnetic metal is iron. You don't see too many objects made of pure iron but you do see ...

You can tell how old some coins are by testing them with a magnet. 5p and 10p coins made before January 2012 are not magnetic. 5p and 10p coins made after January 2012 are magnetic. This is ...

The second challenge was how to use a magnetic field to remotely lift and move objects that are not magnetic." To address those challenges, the researchers created a "metasheet" that consists of ...

The second challenge was how to use a magnetic field to remotely lift and move objects that are not magnetic.” To address those challenges, the researchers created a “metasheet” that consists of an ...

“There is not much research on using magnets to manipulate non-magnetic objects. It is very, very hard,” says Yinding Chi, another NC State researcher and lead author of the study. The idea ...