Trying to controvert a seemingly incontrovertible law is a hard job. And Stefan Hell discovered just how hard when he attempted to thwart the resolution limit of optical microscopes. Initially, his ideas fell on deaf ears. Today, however, Stefan Hell is a Director at the Max Planck Institute for Biophysical Chemistry.
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Inseparable, that is what the north and the south pole of a magnet usually are. In some solids, however, they can move independently and thus become magnetic monopoles.
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