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Surhome, L. M., Timpledon, M. T., & Marseken, S. F. (2010), Viscosity of amorphous materials: Amorphous solid, molar gas constant, arrhenius equation, glassy state, glass transition temperature, Betascript{{citation}}: CS1 maint: multiple names: authors list (link)
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in the image of the amorphous structure of SO2, it says the red atoms are silicon and the blue ones oxygen. It’s the other way around. One silicon atom is bonded to two oxygens it shares with another silicon atom. Geefkip (talk) 18:41, 11 January 2025 (UTC)[reply]
The figure and description is correct. There are 4 oxygen atoms bonded to each silicon - although as this is a pseudo 2D representation only 3 are visible. Polyamorph (talk) 20:04, 11 January 2025 (UTC)[reply]
"Glass packaging is sustainable, readily recycled, reusable and refillable."
I have doubts about sustainability of glass packaging, especially since this claim comes from FEVE ("FEVE is the Federation of European manufacturers of glass containers for food and beverage and flacons for perfumery, cosmetics and pharmacy markets.") so I assume they are biased.
Glass has a high melting point and glass recycling is an energy intensive process. Especially single-use glass, which is still found a lot for example in beer bottles, is not sustainable. In practice, even glass containers that can theoretically be reused are not commonly reused and instead discarded into recycling, even in deposit systems in Europe. For example in Romania, a deposit on glass containers was introduced but the machines at the supermarket crush the bottles.
We are facing an ecological catastrophe and I think calling glass sustainable without putting data next to it is misleading at best. 212.95.5.63 (talk) 14:13, 20 March 2025 (UTC)[reply]
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Glass is not a solid but a fluid. It flows at the rate of one centimeter per century. Just because it flows at what seems to be a very slow rate does not change it to a solid. You should have noticed by now that when you look at a window pane that has been in place for, say more than 20 years, it looks warped or deformed. Same with or similar to looking at a very old mirror.[1]
^I was taught this between 1974 and 1979 at Brooklyn Technical High School in Brooklyn NY.~~~~z.jeep62@icloud.com. Karl Rodgers
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Under the 'History' tab, in line 'The Romans perfected cameo glass, produced by etching and carving through fused layers of different colours to produce a design in relief on the glass object' change the link for etching from etching (microfabrication), which erroenously refers to the process used in modern microchip fabrication, to Etching (https://en.wikipedia.org/wiki/Etching), which refers to actual etching of glass/metal as referred to in the article TankerManager (talk) 21:20, 8 March 2026 (UTC)[reply]