Re: The coat hanger

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#489

From: Marcia A. Petrus
Date: Sat, 18 Mar 1995 12:26

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FYI regarding the coat hanger....
Check out your metal door frames, heat radiators in your building, or
stationary bed frames in prisons.  They, too, become magnetized in time.  I
can't remember if the bottom is North/top south or vv.  But, if you hold a
compass near the object and slide it down, about 3/4 of the way, the needle
will rotate 180.  I have my kids do this each year and then propose a
logical reason.  They usually run to their old chemistry teacher.  He keeps
telling them he thinks it's due to the electrical wires in the ceiling.
Hee Hee.  And, no - I didn't discover this while "serving time".
Try it out.
Marcia

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From: "Marcia A. Petrus" <mpetrus@NCSA.UIUC.EDU>
Subject: Re: The coat hanger
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