On a giant screen at the Corning Museum of Glass in upstate New York, video images flash by-news footage of a war, an inauguration, a spaceshot, a game show-along with realtime projections of museumgoers staring up in wonder. The source of all these images? A strand of glass, thinner than a human hair, yet wide enough to carry more information than three million copper wires, the technology it replaced. Corning is justified in showing off its invention: optical-fiber technology ranks as one of the technological miracles of the 20th century.
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