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From: dmu@lcuxlm.UUCP (Murphy Douglas)
Newsgroups: sci.misc
Subject: Re: Glass flow
Message-ID: <998@lcuxlm.UUCP>
Date: Tue, 18-Nov-86 07:24:21 EST
Article-I.D.: lcuxlm.998
Posted: Tue Nov 18 07:24:21 1986
Date-Received: Tue, 18-Nov-86 21:37:10 EST
References: <17@wjh12.HARVARD.EDU> <666@faron.UUCP> <18@wjh12.HARVARD.EDU> <3786@hplabsb.UUCP>
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Organization: AT&T Bell Laboratories
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About this matter of glass flow---yes it does occur.  Back in
the good old days when I was a student at Case Western Reserve, 
we had our Physics lectures in the old (1896, I think)
Rockefeller Building.  In the top floor lecture room, there
were some original windows remaining that had panes ~4 feet
high.  These windows had a remarkable characteristic:  They
were more than twice as wide a short distance (1/2 inch or so)
from the bottom than they were near the top.  Yes, glass is a
liquid, and does flow---but it has one of the highest
coefficients of surface tension known to man, even to the
point of giving it rigidity that will last for years.

---Doug---	{ihnp4 | akgua}!lcuxlm!dmu