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Scientists rediscover how to make ancient Roman colour-changing glass

theguardian.com· rss · 0 points ·
the Guardian
Scientists rediscover how to make ancient Roman colour-changing glass
Exclusive: Optical engineering that went into 1,600-year-old Lycurgus Cup has baffled experts for centuries

Exclusive: Optical engineering that went into 1,600-year-old Lycurgus Cup has baffled experts for centuries

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