Like electricity, but magnetic

Getting magnetic poles on the move makes a new kind of flow

By Stephen Ornes, 13:17 PM March 1, 2011




Every magnet has two poles, the north and the south. It's true for magnets big and small, short and tall. If you break a magnet into smaller pieces, then each small magnet ends up with a north and a south. (Magnets are said to be polarized, because they have two poles.) For magnets, if you have a north, you have a south.


That's the case ... usually.


But a recent experiment shows that even magnets can be broken up. In a new study, scientists, in a way, separate north poles from south poles....

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