Glass is an "amorphous solid". In support of the assertion that glass is a liquid, people refer to old church windows where the glass is thicker at the bottom
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Origin of Glass
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When lightning strikes sand it can form glass tubes called fulgurites also called petrified lightning. Natural glass like obsidian can form around volcanoes
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Very small dark coloured beads of glass have been dated back to 4000 BC. These may well have been byproducts of copper smelting or pottery glazing
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Glass made by people may date back to 3000 BC with Egyptians and Mesopotamians using it extensively. True synthetic glass appeared in Mesopotamia around 2,500 BC, with Egyptian glass artifacts date ba
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9 years ago Report
...date back to 1350 BC
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The Romans who first produced transparent glass as it enabled them to admire the colour of their wine
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Between the 14th and 19th centuries no glass was made in China. Now it is the world's largest producer with 34 per cent of the global market
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By the 1600s, European glass was cheap enough to mass produce windowpanes, flooding more homes with light. Dirt and vermin were now visible and removed which helped eliminate plague from most of Europ
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#8
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It was likely in the Middle East during the first century BC that the technique of glassblowing was discovered, the blowpipe perfected about 30 BC along the eastern Mediterranean coast
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#9
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Glass is one of the most sustainable consumer materials since it never loses its integrity during the recycling process and is infinitely recyclable and it never decomposes
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#10
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In the 1290s a guild system of glassworkers had been set up. Equipment was transferred to the Venetian island of Murano, and the Second Golden Age of Glass began
