Magnets and clutches
Tim Wescott wrote:
Any
paramagnetic effect of the aluminum will be negligible, if I'm even
correct in remembering that Al is paramagnetic at all.
It is. A bit. The right word to look for in wiki is susceptibility. You'll
find that Al has one of 22.2·10?6. And materials with a susceptibility
above 0 are paramagnetic.
Nick
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