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Scientists recreate ancient Roman colour-changing glass
Original: ‘It’s magic’: scientists rediscover how to make ancient Roman colour-changing glass
Scientists say they have rediscovered the technique behind the 1,600-year-old Roman Lycurgus Cup, a glass chalice that changes colour from green to red depending on the light. The optical engineering involved has baffled experts for centuries, and researchers report finally working out how ancient craftsmen achieved the effect, described by one as 'it's magic'.
Why now: News of solving a centuries-old mystery about remarkable Roman nanotechnology has captured public fascination.
Lycurgus Cupancient RomeThe Guardian
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Evidence
- ‘It’s magic’: scientists rediscover how to make ancient Roman colour-changing glass · The Guardian
Exclusive: Optical engineering that went into 1,600-year-old Lycurgus Cup has baffled experts for centuries
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