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Old 11-04-2007, 10:32 AM   #1
Stephi_B
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Glassy

Glas is an amorphous solid - or a supercooled liquid, that's a matter of perspective.
Glass is made from SiO2 (silica sand), often Na2CO3 (soda), calcium-, magnesium- and/or aluminium-oxide are added to make it durable / easier to process.
By adding various metal(-oxides) one can make it coloured, smokey.
Obsidian is naturally formed glass.
Acrylic glass (Plexiglas) isn't real glass, but a transparent plastic (polymethyl methacrylate PMMA), but it looks like glass - and isn't as easy to smash. (edit: You ain't eejits, just means you can toast plexiglas or whatever glass not by definition 'glass')

Glass: fragile - enduring, smooth - rough, clear - obscuring, reflecting, refracting, taking on so many forms...





uranium glass dessert bowl

Last edited by Stephi_B : 11-04-2007 at 11:11 AM.
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Old 11-04-2007, 10:59 AM   #2
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Quote:
Originally Posted by Stephi_B
..(Plexiglas) isn't real glass, but a transparent plastic... but it looks like glass - and isn't as easy to smash.
if you were to look at us through a sheet of it would you be able to see that WE'RE NOT TOTAL EEJITS?
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Old 11-04-2007, 11:04 AM   #3
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^Huh?!
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Old 11-04-2007, 02:58 PM   #4
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Old 11-04-2007, 03:16 PM   #5
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Old 11-04-2007, 03:17 PM   #6
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^ there were no guidelines regarding instances of blondie in the original post.
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Old 11-04-2007, 03:22 PM   #7
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listen
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Old 11-04-2007, 03:25 PM   #8
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Quote:
Originally Posted by auntie aubrey View Post
^ there were no guidelines regarding instances of blondie in the original post.

I like to live on the edge.

(glass home security system)
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Old 11-04-2007, 04:34 PM   #9
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ok ok it's fiber optics, probably not glass per se, but when was the last time you saw a glowing camisole?

Last edited by lukkucairi : 11-04-2007 at 04:39 PM.
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Old 11-05-2007, 08:01 AM   #10
Stephi_B
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^yeah what I meant, can look/behave like glass somehow, but doesn't need to be glass




(in practical, the glassblowers from the technical dept. once let us try to blow our own flasks, was hard, but funny)
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Old 11-08-2007, 01:11 PM   #11
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Old 11-08-2007, 05:54 PM   #12
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Old 11-10-2007, 08:36 AM   #13
Hyakujo's Fox
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this is for all my topologists in the back row

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Old 11-11-2007, 10:41 AM   #14
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^cool


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Old 11-26-2007, 05:17 AM   #15
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