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
Beaconsfield (gallery) Beaconsfield (gallery) Beaconsfield is an artist-run gallery situated in Vauxhall, south London, England. It occupies a Victorian building consisting of the southern wing of the former original Lambeth ragged school. The gallery was founded in 1994 by Naomi Siderfin, David Crawforth and Angus Neill. Siderfin and Crawforth continue to direct and curate the gallery, working collaboratively with commissioned artists. Prior to establishing Beaconsfield, Siderfin and Crawforth started Nosepaint, an organization that presented interdisciplinary art events involving artists, writers, film makers and musicians between 1991 and 1994. Beaconsfield occupies a Victorian building consisting of the southern wing of the former original