ray-path time
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Time dilation — This article is about a concept in physics. For the concept in sociology, see time displacement. In the theory of relativity, time dilation is an observed difference of elapsed time between two events as measured by observers either moving… … Wikipedia
Ray casting — is the use of ray surface intersection tests to solve a variety of problems in computer graphics. The term was first used in computer graphics in a 1982 paper by Scott Roth to describe a method for rendering CSG models. [Citation last1 = Roth |… … Wikipedia
Ray (optics) — Ray of light redirects here. For other uses, see Ray of light (disambiguation). In optics, a ray is an idealized narrow beam of light. Rays are used to model the propagation of light through an optical system, by dividing the real light field up… … Wikipedia
Ray transfer matrix analysis — (also known as ABCD matrix analysis) is a type of ray tracing technique used in the design of some optical systems, particularly lasers. It involves the construction of a ray transfer matrix which describes the optical system; tracing of a light… … Wikipedia
Ray Barracks, Friedberg, Germany — Ray Barracks was a United States Army installation in Friedberg, Germany until it was closed by the U.S. government in 2007 and returned to the German government. Located in the southern part of the city near the industrial area, the barracks had … Wikipedia
Path loss — (or path attenuation) is the reduction in power density (attenuation) of an electromagnetic wave as it propagates through space. Path loss is a major component in the analysis and design of the link budget of a telecommunication system.This term… … Wikipedia
Ray Martin (orchestra leader) — Ray Martin Birth name Kurt Kohn Also known as Marshall Ross Born October 11, 1918(1918 10 11) Origin Vienna, Austria … Wikipedia
Ray Wylie Hubbard — (born 13 November 1946 in Soper, Oklahoma) is an American country music singer and songwriter.Early lifeRay Wylie grew up in southeastern town of Hugo, Oklahoma. His family moved to Oak Cliff, Texas, in 1954. He attended the same high school as… … Wikipedia
Ray tracing (graphics) — In computer graphics, ray tracing is a technique for generating an image by tracing the path of light through pixels in an image plane. The technique is capable of producing a very high degree of photorealism; usually higher than that of typical… … Wikipedia
Ray Ahipene-Mercer — Infobox Officeholder honorific prefix = name = Ray Ahipene Mercer honorific suffix = imagesize = small caption = Ahipene Mercer at his home order = office = City councillor for Eastern Ward Wellington City Council term start = 2000 term end =… … Wikipedia
Time — This article is about the measurement. For the magazine, see Time (magazine). For other uses, see Time (disambiguation). The flow of sand in an hourglass can be used to keep track of elapsed time. It also concretely represents the present as… … Wikipedia
