Physicist Creates Most Magnetic Material on Earth, Might Overturn Laws of Physics http://www.popsci.com/technology/article/2010-04/most-magnetic-material-ever-created-iron-and-nitrogen-might-overturn-laws-physics

A more powerful magnetic material may have emerged to topple previous record-holder iron cobalt, until now the most magnetic material on Earth. The new iron and nitrogen compound might also force physicists to revise their understanding of magnetism, according to the Minnesota Daily.