Ancient Romans' color-changing goblet was feat of nanotechnology
Anyone who lived through the 90s knows color-change-technology—from T-shirts to free cereal spoons to doll hair—is nothing new. But it turns out even the ancient Romans had mastered the art of color-change, and to do so they relied on some pretty advanced feats of engineering.
The Lycurgus Cup is a 1,600-year-old glass chalice housed at the British Museum. Under normal light it’s a washed-out green color—but magically transforms to a blood-red vessel when lit from behind. Click here to read the article. |
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