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Re: Y chromosome, dropped magnet, S pole in Canada, Pi problem: was: Re: Appropriate for Gen Phys? was: comprehending electric/magnetic interactions

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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