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• photography, 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… …   Universalium

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• plate tectonics — plate tectonic, adj. Geol. a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past… …   Universalium

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• Cuddebackville Dam — Neversink River at Cuddebackville The Cuddebackville Dam was a concrete dam on the Neversink River in Orange County, New York near the town of Cuddebackville, removed in October, 2004 to benefit aquatic life. It was the first dam removed in New… …   Wikipedia