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
Mendel Art Gallery the suggestion of the then mayor, S. L. Buckwold. The building was extended in 1975. On September 18, 2006, the gallery suffered smoke and water damage from an early morning fire in the loading dock area. It reopened nine weeks later with increased focus on national and international art. In 2009, the Board of Trustees of the Mendel Art Gallery decided to replace the building, which had come to be too small and needed expensive upgrades, with a larger facility on a different site. A new gallery, associated with the Remai Arts Centre, is to be opened at River Landing,