Online Listing News: * A 1,600-year-old Roman cup turns green or ruby red depending on how light hits it; after years of experim  The Times of India
* What ancients can teach — a useful magic  The Indian Express
* ‘It’s magic’: scientists rediscover how to make ancient Roman colour-changing glass  The Guardian
* Technician cracks 1,600-year-old mystery to replicate color-changing effect of Roman glass masterpiece  Phys.org
* Sculpture re-creates odd optical effects of famed Lycurgus Cup  Ars Technica
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