glass

Glass 1304 CL (1968) – Enthusiast Wanted

Two categories of used cars are usually in the spotlights in the section 'Enthusiast Wanted': cars that are in top condition, or ones that...

Hydrogel becomes hard as glass

This hydrogel becomes as hard as glass under pressure. (Image: University of Cambridge) Hydrogels are real jack-of-all-trades among materials - they stick under water,...

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