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Re: Missing term



At 5:02 PM -0500 8/29/03, Brian Whatcott wrote:

At 10:03 AM 8/29/2003 -0700, BC, you wrote:
>Glasses are still liquids when called solids because they
>still flow and

there is not a demarcation in their properties.

Passing from liquid to vapor at temp and pressure above the
critical point show no demarcation in their properties. Are,
therefore, liquids and vapors the same thing??????



There seems to be quite a wide acceptance of the idea that
solidified glass flows. This position is supported
by the assertion that medieval church glass is thicker at the foot.

Any self respecting glazier will/would mount an uneven pane
of glass with the thick edge doen.

The creep, if I can call it that, apparently takes place over very
much longer time-scales, so the concept is not so clear cut.

If the creep is as fast as claimed - then we could run an
easy optical interferometer experiment to measure it over available
time frames.
--
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