Re: simple magnets question

[William Beaty <billb@ESKIMO.COM>]

On Fri, 25 Jun 1999, Leigh Palmer wrote:

> One of my favorite examples of the rubber-band problem is to
> consider what happens when two long bar magnets are placed coaxially
> north pole to south pole with a small gap and one of them is started
> in rapid rotation about the axis. The rubber band field lines between
> the poles wrap up to give a very intense magnetic field in the gap.
>
> Not!

I think "Daedelus" the humor writer for New Scientist (UK) had something
similar in his book.  You tie a long, flexible magnet in a knot, hold the
ends near each other, then persuade the knot to move off the end of the
magnet and into the field lines.  The knotted lines contract and you have
a way to make quarks one at a time!  :)


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