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
Whispering Jack album. After initial reluctance by major Australian radio stations to play the lead single, "You're the Voice", public demand became overwhelming and they relented. The song became one of the standout Number One songs on the Australian Charts of the 1980s and still remains a staple of Australian Radio. "Whispering Jack" restarted Farnham's career and kept it rolling across two more decades. On 21 November 2006, "Whispering Jack" was re-released to celebrate its 20th Anniversary, which came with a bonus track, an extended studio version of "Pressure Down" and with a DVD of the edited 1987 "Whispering Jack Live in