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At 7:48 AM -0400 7/6/03, Ludwik Kowalski wrote:
On Sunday, Jul 6, 2003, Bernard Cleyet wrote:
> I read (fourth grade?) and confirmed several times
> that one may make a magnet by hammering a non
> magnetized nail while oriented N-S. [or a hard iron
> rod, preferably when it is hot]. I also read that
> banging magnets decreased their strength. . . .
ME TOO.
And 'of course' BOTH ARE true!!!!
Such is the joy of real-world science!!!!
Absolutely NO contradiction in these two observations!
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Chuck Britton Education is what is left when
britton@ncssm.edu you have forgotten everything
North Carolina School of Science & Math you learned in school.
(919) 416-2762 Albert Einstein, 1936