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This is a normal post Odd stuff indeed.
Ferromagnetism only works because the metal atoms are close enough together in the solid state to undergo magnetic superexchange - I wonder what makes this stuff work?
(, Sun 5 Oct 2008, 15:59, Reply)
This is a normal post colloidal sloution of ferromaganetic particles

(, Sun 5 Oct 2008, 21:29, Reply)