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
South London Gallery Rothschild, Ryan Gander and Superflex; as well as that by younger and mid-career artists such as Alice Channer and Oscar Murillo. Group shows bring together works by established and lesser known British and international artists. The gallery’s live art and film programme has included presentations by Rachel Gomme, Nathaniel Mellors, Gail Pickering, OMSK and Gisele Vienne, and occasional large scale off-site projects have included those by on Kawara in Trafalgar Square in 2004, and Chris Burden at Chelsea College of Art Parade Ground in 2006. The South London Gallery is at 65 Peckham Road, London SE5 8UH. It is open