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Old 09-04-2005, 11:23 AM   #1
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glass tank?

i havent thought of this, but glass is liquid. that just moves really really slow... so have you guys seen any tanks that are like drooping or something?
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Old 09-04-2005, 11:50 AM   #2
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You are full of questions today Krap. I have yet to look at the tank and see it moving around on its own. Isn't glass hardened so it is stationary?
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Old 09-04-2005, 12:01 PM   #3
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I've never seen that in fish tanks but have in very old windows. I would guess the glass is different for fishtanks. ?? Interesting.
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Old 09-04-2005, 03:12 PM   #4
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Glass flows very very slow. You wont see the effects of this flow for several decades. Not many people have tanks 50+ years old. Thats about how long it would take before you would be able to visually see the effects.
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Old 09-04-2005, 04:40 PM   #5
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Glass flows very very slow. You wont see the effects of this flow for several decades. Not many people have tanks 50+ years old. Thats about how long it would take before you would be able to visually see the effects.
i was going to say that...lol
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Old 09-04-2005, 05:04 PM   #6
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and I'm not sure tempered glass will still flow.

Glass is in fact a semi-fluid solid...but whether it actually flows or not is a huge debate. I work with stained glass, and that debate comes up a lot. See, old stained glass was all hand made and rolled, so the glass wasn't a perfect uniform thickness liek the machine made stuff is today...same goes for old-time clear glass for normal windows.

Then workers would install the thick side in the bottom, so as to not make the window top heavy, causing a possible stress fracture in the future.

I haven't ever seen really old windows, stained or normal panes, to see if it really does flow down with gravity over several decades.

I think someone needs to call Myth Busters
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Old 09-04-2005, 05:16 PM   #7
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Quote:
Originally Posted by malkore
I think someone needs to call Myth Busters
I love that show! I'm sure Jamie and Adam would have fun with that one. lol

I found this, not sure how accurate it is.

http://math.ucr.edu/home/baez/physic...***/glass.html
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Old 09-04-2005, 10:05 PM   #8
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I have seen very old windows on houses where the window has a very wavy apperance. I cant fathom that people back then just lived with windows like that as being clear as I have seen old glass bottles that dont have the same wavy apperance so I know glass could have been made with out the wavyness.
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Old 09-04-2005, 10:22 PM   #9
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Yeah, I've seen windows that actually look like they were running in very old houses. And, I believe I've seen on tv that the glass does that over time but, couldn't find anything to validate that. Although, admittedly, I didn't search to hard.
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