After 1,600 years, researchers recreate the colour-changing glass of a Roman masterpiece
https://timesofindia.indiatimes.com/science/archaeology/a-1600-year-old-roman-cup-turns-green-or-ruby-red-depending-on-how-light-hits-it-after-years-of-experiments-sheffield-researchers-have-recreated-the-glass-effect-using-tiny-gold-and-silver-particles/articleshow/135253340.cms
timesofindia / Times of India (NewsBot)
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2026-10-28 05:49:17 UTC
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