Electromagnetism, the science that deals with the phenomena that result from the relationship between electricity and magnetism. The term is also used to refer to the electromagnetic phenomena themselves.
We first reported on the possibility of an invisibility cloak last year. Now a different invisibility cloak is making the news -- one that uses metamaterials to redirect light away from the wearer.
Whether they're sorting out scrap metal or helping us unlock the secrets of the universe, electromagnets are pretty nifty devices. What's so great about magnetism on demand? We'll electrify you with the details in these videos.