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Thursday, 9 April 2015

Glass

Glass is made of sand that is heated until it is liquid. When it is liquid, it is shaped and left to cool.

The first objects crafted entirely of glass were beads from Mesopotamia and ancient Egypt dating from about 2500 BC.

The first glass vessels were in use in Egypt and Mesopotamia by 1500 BC.

The technique of glassblowing was developed in the last years of the 1st century BC, probably in Syria.

The term glass developed in the late Roman Empire. It was in the Roman glassmaking center at Trier, now in modern Germany, that the late-Latin term glesum originated, probably from a Germanic word for a transparent, lustrous substance.


Glass blowers in Bristol used to regularly eat snails to improve their blowing power.

China had invented ceramics for teacups so early and they were so satisfied with it, they never had any glass right up until the 19th century.

The first building to be completely covered in glass, built for the Owens-Illinois Glass Company, was completed in Toledo, Ohio on January 15, 1936. It marked a milestone in architectural design representative of the International style of architecture, which was at that time becoming increasingly popular in the US.


Several large glass companies have their origins in Toledo and the city is known as the Glass City because of its long history of innovation in all aspects of the glass industry.

Almost all the glass we use today is made using Alastair Pilkington’s “float” process, which made it far easier and cheaper to make high-quality glass.

The heat of a lightning bolt can turn sand into glass.

There's a planet called HD 189733b where it rains molten glass, sideways, at 4,350 MPH (7,000km/h). 

2 comments:

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