Is it possible to magnetize a steel ball so that all the 'South' poles are in the center ?
This is something I've been pondering over for years!
Is it possible to magnetize a steel ball, say a 1/2" diameter ball-bearing, so that all the 'North' poles act outwards from the surface and all the 'South' poles act inwards towards the center ? And if it could be done, would it act like a magnetic monopole ? What would it do, how would it behave in the presence of other magnetic fields ?
I don't think you could get ALL of the S domains pointing radially at the center, but you could probably get SOME of them to do do.
Imagine that you have very strong rare-earth magnets shaped like tiny hexagons and pentagons.
You could build a 'soccer ball' out of them, with a strong enough glue. Assume you glue them to a solid iron soccer ball shape to make a solid shape
Assume you have some slightly larger hexes and penta-shaped magnets such that they fit perfectly over the slightly larger result, and so on, so that you are building a many-layered form with all of the S-faces inwards, so that the net magnetic force is radial, in and out.
When its big enough, gently machine (so you don't break the glue or heat away the magnetism) the result so that it is spherical.
Voila.
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