Very interesting, but as the author pointed out,
he is talking about stained glass in cathedrals.
I also note that he says that a researcher found
about half of the pieces of glass in windows were
thicker on the top. I already argued that a
worker couldn't possibly have determined the thick
end and consistently placed that end on the
bottom. It is interesting that other use the
thick on the bottom for proof of glass flow and
others argue it is thick because the worker placed
it that way. Guess both arguments are bullshit,
which is what I said.
You have to know what the thickness was at the
beginning of the period and the end of the period,
regardless of whether the top or the bottom is the
thickest. No one has provided that information.
I don't if the flow idea from cathedral windows is
valid or not, most likely invalid. That doesn't
mean that there isn't evidence in lime glass. But,
if it flows it certainly moves very slowly. Does
it flow with pressure?
I wonder if Brill ever examined the aging of
broken glass edges with an electron microscope?
BTW, someone questioned the validity of the
supercooled liquid idea and wanted an authority.
How about Linus Pauling? Good enough?
I'm finished. If you find something definitive
(valid scientific tests that have been repeated by
several scientist) let me know. BTW, experiments
using current measurement techniques should easily
prove whether glass (softer kinds) actually flow
over time. The rest is just blather. Brill's
arguments on viscosity are rather weak and
trivial. Why not just do the experiments and
provide the data on thickness over time.
It doesn't claim that glass is always laid that way. Just that it's
done SOME times, and I'm sure the urban myth wasn't started by someone
using a micrometer. Since there is no evidence of glass flowing, that
theory explains why some houses DO have "thicker at the bottom" glass
better than any other theory.
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Please read this:
Just because your science teachers told you it does, doesn't mean they
were right. The folks at alt.folklore.urban are damn good about
breaking things down, and if you have something that isn't covered in
their FAQs and is truly new information, they'd love to know about it.
well, actually, yes. it also doesn't having anything to do with the making
of the glass, since they are still making glass the same way as 5000 years
ago. shovel the raw materials into an oven. heat. pour out.
haha. please provide some cites as to what you are talking about glass
flowing. as has been pointed out by others, that's been debunked quite a
it doesn't take a set. it's pretty bendy. i have some 3/4" that bends over a
4' span. when i fuse it together to make a 1.5" thick piece, it doesn't bend
very much over a short span, but does over a much longer one.
if you want it to be flat, you have to put it on something that is flat
On Mon, 3 Oct 2005 10:27:16 -0700, with neither quill nor qualm,
That's what I used to think, but the window in my door did. I finally
got some Oops! and removed the remainder of the label. The scratch was
plainly there after all the adhesive, etc. were gone. Months later the
scratch wasn't there any more. <cue Twi Zo music here>
Ohhhh, maybe someone came up to my house, broke in, replaced the
glass, and sneaked back out, locking the door behind them.
Yeah, I suppose it could happen. What are the odds, C? ;)
You'd think he'd have straightedged the table he layed it on, wouldn't
you, before determining that only the glass was curved?
"Most Folks Are As Happy As They Make Up Their Minds To Be"
i'd probably, without looking at it whilst it was scratched, have to say it
wasn't really a scratch but some other mark on it. i've got glass that i've
scratched or scored over 20 years old. i hae some other glass that i took
out of an antique window that must have been 75 years old. they haven't
healed yet and i'm not holding my breath.
ass-u-me. no, i'd not expect that.
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