http://phys.org/news/2013-05-artificial-magnetic-monopoles.html (http://phys.org/news/2013-05-artificial-magnetic-monopoles.html)
good! ;)
I'm sure someone offers annular magnets with the outer circumference N
and the inner one S. Is this not a sort of monopole?
Supposing a set of these were constructed into a sphere?
Why would monopoles be such a big deal?