Answers to Questions Kids Ask! - Where "Why?" Turns to "Wow!"
Glass has been made by humans for about 4,500 years, and it generally consists of silica (sand), potassium or soda, lime, and occasionally some other chemicals. They are melted together and cooled at air temperature so that the material is hard, but has a smooth and flowing shape, more like a liquid. The precise recipe for glass changes from place to place — the chemistry and techniques are often closely guarded secrets.
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Word of the Daycloister:
cloister: to confine in retirement; seclude.
Born on this dayOctober 24, 2014
1930 - The Big Bopper
1940 - Barry Davies
1942 - Frank Delaney
1946 - Jerry Edmonton
1947 - Kevin Kline
1971 - Caprice Bourret
1972 - Dervla Kirwan