After a Century of Searching, Scientists Finally Found A Virtual Magnetic Monopole
https://www.popularmechanics.com/science/a60079037/magnetic-monopole-hematite/

Magnetic monopoles are a complicated concept with a deceptively simple name. At their most basic, these theoretical elemental particles are exactly what they sound like—magnets with only one pole instead of the usual two. But that simple moniker falls short of conveying the century-long search for this ever-elusive particle.

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