Question

How is glass made ??¿?​

Answer 1

Answer:

The manufacture of glass hasn't changed much since its discovery in ancient areas of Persia and Egypt. In this conventional method, the sand is heated to extreme temperature and allowed to cool down and shaped into any form by either blowing and pouring into pre-designed moulds.

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Answer 2

Believe it or not, 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