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
Trail of the Whispering Giants a small studio where he carves small wooden statues to raise money to create more "Whispering Giants". He travels around America to repair "Whispering Giants" he carved in the past that have not been kept up, as well as to carve new ones. The latest "Whispering Giant" carved was in Vincennes, Indiana, in 2009 out of Black Oak, but there are still eight more statues planned to be built. Trail of the Whispering Giants The Trail of the Whispering Giants is a collection of sculptures by Hungarian-born artist Peter Wolf Toth. The sculptures range in height from , and are