The Lycurgus Cup (IMAGE)

Okinawa Institute of Science and Technology (OIST) Graduate University

The Lycurgus Cup

Caption

The Lycurgus cup is an example of ancient artisans' use of nanoparticles in works of art. The gold component is thought to be responsible for the red color when illuminated from behind, and the silver particles are responsible for the green appearance when light is shining on it from the front.

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