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, Alberta Whispering Hills, Alberta Whispering Hills is a summer village in Alberta, Canada. It is located on the eastern shore of Baptiste Lake. In the 2016 Census of Population conducted by Statistics Canada, the Summer Village of Whispering Hills recorded a population of 142 living in 62 of its 136 total private dwellings, a change from its 2011 population of 108. With a land area of , it had a population density of in 2016. In the 2011 Census, the Summer Village of Whispering Hills had a population of 108 living in 43 of its 136 total dwellings, a -13.6% change