Scientists rediscover how to make ancient Roman colour-changing glass
Summary
The Guardian reports on scientists rediscovering how to make the ancient Roman Lycurgus Cup color-change with light, detailing how gold and silver nanoparticles embedded in glass produce different colors under varying lighting. The piece covers the collaboration between University of Sheffield researchers, a glass artist, and archaeologists, and situates the discovery within broader questions about ancient glassmaking and materials science.