This Roman glass cup can change from jade green to ruby red, and it features a mythical king who tried to banish Dionysus.

Researchers were inspired by Lycurgus Cup, a chalice from the fourth century C.E. that appears opaque green under reflected ...

Ancient Roman glassmakers achieved a remarkable optical effect that modern scientists have struggled to reproduce.

The Lycurgus Cup is an iconic artifact from Roman times. After 1,600 years, the technical mastery behind this masterpiece has ...

In this quick science video, I show how my color changing cups and straws transform when I pour in icy water and start drinking. Then I break down the simple chemistry behind the magic, explaining ...

Learn more about the color-changing glass used to create this anicent roman cup and how glassworkers were finally able to ...

Although most archaeological finds from ancient civilizations aren’t quite as exciting as what you might expect from the movies, occasionally you come across something that’s truly special. The ...