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
S. H. Kress and Co. Building (Daytona Beach, Florida) of office space in the early 1980s. Among the larger tenants are the Zgraph web design firm, Image Makers advertising agency, Belliker Art Gallery, Daytona Beach Symphony Society and the Alzheimers Association of Volusia-Flagler, according to a Daytona Beach News-Journal article on March 12, 2007. S. H. Kress and Co. Building (Daytona Beach, Florida) The S. H. Kress and Co. Building at 140 South Beach Street in Daytona Beach, Florida, United States is a historic building. It was part of the S. H. Kress & Co. "five and dime" department store chain. On July 7, 1983, it was added to