Whispering-gallery wave Whispering-gallery wave Whispering-gallery waves, or whispering-gallery modes, are a type of wave that can travel around a concave surface. Originally discovered for sound waves in the whispering gallery of St Paul’s Cathedral, they can exist for light and for other waves, with important applications in nondestructive testing, lasing, cooling and sensing, as well as in astronomy. Whispering-gallery waves were first explained for the case of St Paul's Cathedral circa 1878 by Lord Rayleigh, who revised a previous misconception that whispers could be heard across the dome but not at any intermediate position. He explained the phenomenon of travelling whispers with
Whispering Hills, Dallas Whispering Hills, Dallas Whispering Hills is a neighborhood consisting of 615 homes within the Lake Highlands neighborhood of Dallas, Texas (United States) adjacent to the suburbs of Richardson and Garland. It is generally bounded by Buckingham Rd along the Richardson border to the north, to the east by the Garland border near Plano Rd, to the south by Walnut St, and to the west by the KCS Railroad and Audelia Branch Greenbelt near Audelia Rd. The neighborhood is conveniently located one-mile north from I-635 and two-miles east from US 75 (Central Expressway), with the Telecom Corridor surrounding the neighborhood. Whispering