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
Bethlem Gallery – Lee, Bethlem artist. For long term patients, the art studio is a place to spend time away from the ward. Available resources facilitate sculpture, painting, drawing, printmaking and screen printing, among others. Bethlem Gallery The Bethlem Gallery is an art gallery in Beckenham, Bromley, England. It was established in 1997 to support and exhibit artists who are current or former patients of the South London and Maudsley NHS Foundation Trust. The gallery is housed in an Art Deco building shared with the Bethlem Museum of the Mind, with exhibits about the history of Bethlem Royal Hospital. The gallery has