What is Glass?.

Since ancient times, glass has not ceased to astonish mankind. Glass ductility provides a seemingly endless array of possibilities, either for domestic as well as for industrial use, in the optics field and even in the art field. For example, limestone glass is present daily in tableware, goblets, ashtrays and decorative objects; flat and transparent glass protects the homes from weather conditions when used as windowpanes. Glass is so common to contemporary society that it would be difficult to conceive modern living without it. Its presence is fundamental for lamps to irradiate light; it is equally necessary for the manufacturing of televisions, computers and transportation vehicles; while, in the scientific field and that of precision instruments, it is worth mentioning glass used in lenses, microscopes and telescopes. Finally, in art domains glass has shown a newfangled facet during the last third of the XX century, for its use as prime element of expression by several well-known visual art creators. Glass composition and properties Raw Material Silica Structural Unit

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