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History of glass
Glass as a material has existed in the nature of a mixed compound between stones at extremely high temperatures, especially after the volcanic outbreaks. The name is Obsidian (Obsidian), opaque glazed opaque, which is used hundreds of years before for the production of jewelry, bulbs, tools, even for the production of weapons.
The archaeological research in Egypt show that the production of glass began about 7000 years before, but maybe I first glass produced by the state of Babylonian .In old Roman history, sod was the person who became a witness of producing a humanity which came as a result of an accident.