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 (nobody)...and 472 guests Last 5 registered Oplandisks nothingstar N_loop yipe foxtrotromeo Browse members... |
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Members 8025Messages 2614201 Today 5 Topics 127548 |
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Im so goddamn tired of this. I keep dropping a brick and it refuses to fall upwards. damn you, entropy and the great laws of thermodynamica! |
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e=mc2 |
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thank you mr science. learn something new every day. |
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wtf |
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oh yeah. discuss. |
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Drop a brick in australia. |
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and it'll spin counter-clockwise? |
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wicked! |
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bricks are the gayest of liquids. |
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Indeed |
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I have to say, I feel a bit dirty posting in these nonsense topics... it's so naughty. |
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But a bat is not a brick... is it? I don't get it... |
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you are jesus. |
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wow i feel like im living in a parallel thread. |
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is it true glass is a liquid? i heard this somewhere and i don't believe it. |
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they don't have liquid glass in soutf africa? |
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me too. lets google that. |
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okay 123 go! |
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Parallel universe even? One where you're a man and I'm a Shit's getting deep, now... |
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okay. so the answer is maybe? |
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Origin of an Urban Legend? How did the "glass is a supercooled liquid" urban legend originate? It is possible it began with an erroneous reading of an influential book by Gustav Tammann (1861-1938), a German physicist who was among the first to study glass as a thermodynamic system (Tammann, 1933). I was unable to locate a copy of Tammann's book to verify this, so the following is speculation. One or two papers I consulted attributed to Tammann the statement "Glass is a supercooled [or undercooled] liquid." But, from other papers, it appears that what Tammann actually wrote was "Glass is a frozen supercooled liquid" [my emphasis]. My speculation is that an author misquoted Tammann, and this misquotation was repeated by later authors who, since copies of Tammann's book are rather rare, did not refer directly to Tammann. Until about 20 years ago supercooling a glass melt was the only way to obtain glass, and the behaviour of melts as they passed through the glass transition (i.e., solidified) was very different from crystallization. But solid-state physics was almost entirely based on the study of crystalline solids, which made the behaviour of glass melts appear paradoxal. To emphasize this a professor would state "Glass is a liquid which has lost the ability to flow", and some undergraduate, with his mind more on the Friday night date than on the physics of glass, would remember only "glass is a liquid"... Perhaps now we can finally put this legend to its well-deserved rest. Conclusion Glasses are amorphous solids. There is a fundamental structural divide between amorphous solids (including glasses) and crystalline solids. Structurally, glasses are similar to liquids, but that doesn't mean they are liquid. It is possible that the "glass is a liquid" urban legend originated with a misreading of a German treatise on glass thermodynamics. |
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dont get jealous because my thread is getting all the attention. I know you've worked very hard to make a living as a troll on the internet, but I'm sure there are other things you are good at. Dont give up! PS have you tried dropping it sideways? |
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or simply that glass is another state of matter which is neither liquid nor solid. sounds like bollocks to me |
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yea, tell me about it. i'm creeped out. ive just realised im evil. |
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nice try, didnt work. move on please! |
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kow |
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