'Magnetricity' Behaves Like Electricity - Science News: In 2009 Steven Bramwell of the University College of London found that sometimes a molecule squirms and flips. Two poles, a north and a south, are born. The molecule itself stays put, but these ghostly poles, which aren’t actually attached to a physical object, can move around independently of each other as chain reactions of flipping molecules carry them from pyramid to pyramid.
“Eventually they get so far apart that they lose all memory of each other,” says Bramwell. “The dipole splits in half and becomes two monopoles.”
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