Donald Trump's recent rant at an Iowa rally shows that he sadly won't be able to tell you. The rock-rap duo Insane Clown Posse posed that very question in their "Miracles" single in 2009, as they took ...

Magnets - how do they work? We've got the answer for you, plus a bunch of weird fun magnet facts - where they got their names, why hitting some stuff with a hammer can turn it into magnets, and even ...

Why would you want to detect metal? Oh, I don't know … maybe you want to find some gold in the ground. You could dig up ALL the dirt, or you could find the location that has the gold before you dig.

The magnet is the characteristic substance that draws in the ferromagnetic material like iron or nickel by the force of attraction. Individuals depend on magnets for industrial and commercial use.