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Science

How is glass made?

2

Glass is made from liquid sand. You can make glass by heating ordinary sand (which is mostly made of silicon dioxide) until it melts and turns into a liquid. It's like a cross between a solid and a liquid with some of the crystalline order of a solid and some of the molecular randomness of a liquid.

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Glass is made by melting silicon dioxide with other raw materials, such as soda ash and limestone, at high temperatures. The melted mixture is then cooled rapidly to form a solid, transparent material. By controlling the cooling, different types of glass are obtained (tempered, laminated, etc)

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