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Old 03-09-2006, 11:14 AM   #31 (permalink)
Tea on tuesday
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Quote:
Originally Posted by simeon
Sorry to break your bubble bud, but in this day and age there is still no clear distinction on whether or not glass is an amorphous solid or a high viscious liquid. The notion of "flowing glass" that you talk about has not been validated, so your statement on the matter is correct. On the other hand, in regards to thermodynamics / molecular dynamics, arguments can be made for both ideas.

As I said, logically, glass is a solid, but when you state "Glass is in no way, shape or form a liquid" I had to interject.
It's been a while, I admit, but it seems to me the debate was seldom about "is this a liquid", but always more on the side "what is the nature of is glass transitions and what are their exact properties:" considering them as a unique phase or quasi-phase of matter. Ask most any scientists is glass a liquid or a solid and they'll say "solid" the vast majority of the time.

Either way you're playing semantics, and the point was that the bullshit almost all of us were taught in middle school is false, and no one should believe that it's "technically a liquid" because it's clearly not---though it may have certain properties in common with a liquid.

Last edited by Tea on tuesday : 03-09-2006 at 01:36 PM.
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Old 03-09-2006, 11:24 AM   #32 (permalink)
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So if scientists debate weather it's a liquid or solid and you say its clearly not a liquid, englighten us.


why is it 'clearly not a liquid'~.
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Old 03-09-2006, 11:37 AM   #33 (permalink)
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There is no clear answer to the question "Is glass solid or liquid?". In terms of molecular dynamics and thermodynamics it is possible to justify various different views that it is a highly viscous liquid, an amorphous solid, or simply that glass is another state of matter which is neither liquid nor solid. The difference is semantic. In terms of its material properties we can do little better. There is no clear definition of the distinction between solids and highly viscous liquids. All such phases or states of matter are idealisations of real material properties. Nevertheless, from a more common sense point of view, glass should be considered a solid since it is rigid according to every day experience. The use of the term "supercooled liquid" to describe glass still persists, but is considered by many to be an unfortunate misnomer that should be avoided. In any case, claims that glass panes in old windows have deformed due to glass flow have never been substantiated. Examples of Roman glassware and calculations based on measurements of glass visco-properties indicate that these claims cannot be true. The observed features are more easily explained as a result of the imperfect methods used to make glass window panes before the float glass process was invented.
Taken from some website trying to explain wether glass is liquid or solid.
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Old 03-09-2006, 07:45 PM   #34 (permalink)
GaliemVaelant
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Interesting stuff. I can't help but wonder if a melty-looking picture like that could spark the same discussion elsewhere I won't argue either way. I haven't taken thermodynamics yet, so I have no place pretending to know for sure either way. I was always told that it's a liquid, but folks are given wrong information all the time.
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Old 03-09-2006, 08:18 PM   #35 (permalink)
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Quote:
Originally Posted by simeon
Sorry to break your bubble bud, but in this day and age there is still no clear distinction on whether or not glass is an amorphous solid or a high viscious liquid. The notion of "flowing glass" that you talk about has not been validated, so your statement on the matter is correct. On the other hand, in regards to thermodynamics / molecular dynamics, arguments can be made for both ideas.

As I said, logically, glass is a solid, but when you state "Glass is in no way, shape or form a liquid" I had to interject.
Mkopec's post is good in stating that the "debate" rests in semantics. Glass is an amorphous solid. There is nothing at all that suggests that it is a highly viscous liquid. Glass, as a liquid, flows, and as it cools at a point it becomes a solid without crystalizing, thus its' amorphous shape.

It's worthless to consider class a liquid because it would have "infinite viscosity." There comes a point in any discussion when semantic bullshit needs to be tossed out the window. Anyone could construct some stupid semantical argument to say there is no difference between glass and a tree. Maybe a tree's bark flow's really slowly. (sigh)

As it's been mentioned several times in the thread, old glass is thicker on the bottom when in window panes. No shit. When glass was made in the old days it was made by spinning, like on a wheel. The centrifugal force effect of the accelerating (spinning) wheel on the glass would cause the glass to move outwards, giving thicker glass on the periphery, and thinner glass in the center. Then the glass is cut into shape. Some parts of the glass are thicker than others. When you are putting glass into a window, it would onlymake sense to put the thicker part on the bottom, and the thinner part up top.
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Old 03-09-2006, 09:20 PM   #36 (permalink)
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Old 03-09-2006, 11:07 PM   #37 (permalink)
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plastic wrap anybody?
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Old 03-09-2006, 11:22 PM   #38 (permalink)
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While the debate over glass is interesting, i'm going to go ahead and do a casting call so to speak. Basically, i'm opening this up to anyone interested. How about something along the lines of i'll paypal whomever i choose 10$, and they will get publication credit. So , some incentive for those for whom making something beautiful may not be enough.

And before the inevitable shit starts flying, yes it is my gf, and yes the scar is from an accident. So, this comes from somewhere.

Ok, this is my idea: Going for some kind of sorrow or regret. The words i'd like to incorporate are,

They told me what had happened,
I sort of laughed, nervous
Then there was the hospital,
And the funeral
But I still wait for you
I know it's crazy
Yet i always find myself here

I'm open to criticism on the writing, i consider myself good, but i'm not perfect - i'm also fickle as shit.


The associated imagry i'd like to use is attached. I'd prefer to not use the picture of the girl outright, perhaps blended in some way. Also, only one picture of the "car" whichever one is prevalent in your mind as being more devastating I guess. The bench with the lake should be the core.

Otherwise, the rules of the game are none, the words can be on the image, underneath, images can be manipulated , can stay the same, can be arranged horizontally, vertically - i don't care. Any questions just ask.

ThinkRevolutionX@Gmail.com
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Old 03-10-2006, 06:37 AM   #39 (permalink)
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Quote:
Originally Posted by makist
plastic wrap anybody?
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Old 03-10-2006, 09:19 AM   #40 (permalink)
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Old 03-10-2006, 10:52 AM   #41 (permalink)
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Shrug, it's all good.

I've actually gotten a couple in email and collaborating with a couple of people also. You know, worst comes to worse i'll just use that one aychamo - you know with alittle disclaimer that it's "based on factual events"

It can be a catalyst for hate mail.
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Old 03-12-2006, 01:00 PM   #42 (permalink)
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I have no idea what's going on here

I just wanted to play with the glass.
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