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Articles on Glass

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A collection of raw Libyan desert glass. Linnas/Shutterstock

How we solved the mystery of Libyan desert glass

The origin of Libyan desert glass found scattered in an Egyptian desert has puzzled scientists for years. But a new look at the glass structure reveals its meteoric formation.
20 tons of Ohara E6 borosilicate glass being loaded onto the mold of one of the GMT’s mirrors. Ray Bertram, Steward Observatory

How do you build a mirror for one of the world’s biggest telescopes?

The laws of physics dictate that to pick out ever fainter objects from space and see them more sharply, we’re going to need a bigger telescope. And that means we need massive mirrors.
Make up your mind, glass. jurra8

Is glass a solid or a liquid?

Before Pilkingtons invented plate glass in the mid-19th century, flat panes could not be made. Old windows are uneven. Some once thought this was because glass is a liquid that flows down slowly over the…

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