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Diffused lighting camouflage was a form of active camouflage using counter-illumination to enable a ship to match its background, the night sky, that was tested by the Royal Canadian Navy on corvettes during World War II. The principle was discovered by a Canadian professor, Edmund Godfrey Burr, in 1940.
The use of Yehudi lights to camouflage aircraft by matching their luminance with the background sky was developed, in part, by the US Navy's Project Yehudi from 1943 onwards, following pioneering experiments in the Canadian diffused lighting camouflage project for ships early in the Second World War. [3]
Diffused lighting camouflage, in which visible light is projected on to the sides of ships to match the faint glow of the night sky, was trialled by Canada's National Research Council from 1941 onwards, and then by the Royal Navy, during the Second World War. Some 60 light projectors were mounted all around the hull and on the ships ...
In the diffused lighting camouflage project, the Royal Canadian Navy experimented with variable counter-illumination camouflage to match horizon light levels and minimize ships' silhouettes during prolonged arctic twilight. During the experiments, one side of the test ship was faintly illuminated by projectors mounted outboard.
The first of these was the so-called diffused lighting camouflage tested on Canadian Navy corvettes including HMCS Rimouski. This was followed in the United States Army Air Forces with the airborne Yehudi lights project, and trials in ships of the Royal Navy and the US Navy . [ 11 ]
That's because Light has been pulling double-duty, co-starring in the Broadway production of "Therese Raquin," opposite Keira Knightley. The show runs through Jan. 3. "It's what comes to you ...
In September 1941, she took part in the Canadian Navy's secret trials of diffused lighting camouflage, a technology for concealing ships from submarines at night. [14] In January 1942 she began use as an anti-submarine training ship in Halifax and Pictou, which lasted until January 1943 before heading off for refit. [13]
A former girlfriend of rocker Jim Morrison is speaking out on her time with the late Doors frontman — including an alleged instance of sexual assault.. Judy Huddleston is one of the many members ...