Glad you asked. Most of us know that glass is somehow made from sand, prompting the further question as to how an opaque material like sand can ever be made into a clear material like glass. The short ...

The cup is considered one of the seven glass wonders of the world, one of just 40 glass cage cups that survived. Exactly why the unusual color effects of the Lycurgus Cup occurred was a mystery until ...

Researchers were inspired by Lycurgus Cup, a chalice from the fourth century C.E. that appears opaque green under reflected light but wine red when lit directly. "To me, it’s magic," the lead research ...

The completed sculpture is scheduled to be unveiled at the Millennium Gallery during the University of Sheffield’s Festival ...