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71photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
72Color temperature — The CIE 1931 x,y chromaticity space, also showing the chromaticities of black body light sources of various temperatures (Planckian locus), and lines of constant correlated color temperature. Color temperature is a characteristic of visible light …
73North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… …
74MythBusters (2009 season) — Country of origin Australia United States No. of episodes 23 (includes 3 specials) Broadcast Original channel …
75Go (game) — This article is about Go, the board game. For other uses, see Go (disambiguation). Goe redirects here. For other uses, see GOE (disambiguation). Go Go is played on a grid of black lines (usually 19×19). The playing pieces, called stones, are… …
76nature, philosophy of — Introduction the discipline that investigates substantive issues regarding the actual features of nature as a reality. The discussion here is divided into two parts: the philosophy of physics and the philosophy of biology. In this… …
77Distributed transmission system — This article is about terrestrial broadcasting. For electrical power distribution, see distributed generation. In North American digital terrestrial television broadcasting, a distributed transmission system (DTS or DTx) is a form of single… …
78Roman Republic — See also: Roman Republic (18th century) and Roman Republic (19th century) Roman Republic Official name (as on coins): Roma after ca. 100 BC: Senatus PopulusQue Romanus ( The Senate and People of Rome ) …
79Mars Exploration Rover — Artist s conception of rover on Mars Part of a panorama taken by the Spi …
80Pottery of ancient Greece — Bilingual amphora by the Andokides Painter, ca. 520 BC (Munich) As the result of its relative durability, pottery is a large part of the archaeological record of Ancient Greece, and because there is so much of it (some 100,000 vases are recorded… …
