This 1,600-Year-Old Goblet Shows that the Romans Were Nanotechnology Pioneers

The colorful secret of a 1,600-year-old Roman chalice at the British Museum is the key to a super­sensitive new technology that might help diagnose human disease or pinpoint biohazards at security checkpoints.The glass chalice, known as the Lycurgus Cup because it bears a scene involving King Lycurgus of …