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 ...

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.

Using a diamond needle tipped with a single electron, physicists have found seemingly impossible one-sided magnets swirling along the surface of hematite. The rules of physics (the ones we know of, ...