The specs, from 3-D technology maker RealD, look more like Buddy Holly's eyewear than the old red and blueglasses used in 1950s movie houses, and provide a much more startling experience.
Ritz-Carlton's use of cobalt-blue glasses in its hotel dining rooms can be traced back to Boston in the 1920s, for example, where window glass that had been imported from Europe and turned blue in the New England air was a symbol of wealth.