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Glass is a non-crystalline solid that is often transparent, brittle and chemically inert. It has widespread practical, technological, and decorative use in, for example, window panes, tableware, and optics . Glass is most often formed by rapid cooling ( quenching) of the molten form; some glasses such as volcanic glass are naturally occurring.
Mar 11, 2024 · glass, an inorganic solid material that is usually transparent or translucent as well as hard, brittle, and impervious to the natural elements. Glass has been made into practical and decorative objects since ancient times, and it is still very important in applications as disparate as building construction, housewares, and telecommunications.
- The Editors of Encyclopaedia Britannica
- What is glass?Glass is an inorganic solid material that is usually transparent or translucent as well as hard, brittle, and impervious to the natural elements.
- What is glass made out of?Commercial glass is usually made of sand, limestone, and sodium carbonate that is raised in temperature until it is molten. It is then cooled quick...
- Why does glass break?Glass breaks because of impurities caused by moisture or dust in the air during glass production. These impurities cause microscopic fractures and...
- Does glass decompose?Glass decomposes very slowly. It can take more than a million years for a glass bottle to break down. Glass can, however, be endlessly recycled. Th...
Nov 24, 2021 · A Brief Scientific History of Glass. ... Glass, both ancient and modern, is a material usually made of silicon dioxide, or silica, that is characterized by its disorderly atoms. In crystalline ...
Laminated glass: Laminated glass is made by sandwiching a layer of plastic between two layers of glass. It is often used in windshields, skylights, and other applications where safety and security are important. Stained glass: Stained glass is made by adding metal oxides to the mixture of soda ash, lime, and silica.
It changed glass manufacturing forever. In the float glass process, a continuous strip of molten glass at approximately 1000 degrees centigrade is poured continuously from the furnace onto a large shallow bath of molten metal, usually tin. The glass floats and cools on the tin and spreads out to form a flat surface.
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glass: [noun] any of various amorphous materials formed from a melt by cooling to rigidity without crystallization: such as. a usually transparent or translucent material consisting typically of a mixture of silicates. a material (such as obsidian) produced by fast cooling of magma.
The glass most people are familiar with is soda-lime glass, which is a combination of soda (also known as soda ash or washing soda), limestone, and sand. Although you can make glass simply by heating and then rapidly cooling silica, the manufacturing of soda-lime glass is a little more complex. By adding soda (sodium carbonate), the melting ...
