In `The Virtual Last Supper' You Can Almost Sit At The Table

In the 1990s, say proponents of so-called virtual reality, electronic technology will be able to take you anywhere--even to Milan, where you can "visit" the monastery where Leonardo da Vinci's famous fresco "The Last Supper" is painted on a wall. But in the electronic version developed at AT&T's Bell Labs, you view the scene head-on as Leonardo intended, instead of from below, as visitors have done since the building's floor was lowered. The program transmits images of the painting onto two small screens--one for each eye--that are encased in a helmet. When you don the helmet it seems as if you're inside the room with the fresco.

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