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mathematics

(Encyclopedia)mathematics, deductive study of numbers, geometry, and various abstract constructs, or structures; the latter often “abstract” the features common to several models derived from the empirical, or ...

photography, still

(Encyclopedia)photography, still, science and art of making permanent images on light-sensitive materials. See also photographic processing; motion picture photography; motion pictures. By the end of ...

Haiti

(Encyclopedia)CE5 Haiti äētēˈ [key], officially Republic of Haiti, republic (2015 est. pop. 10,711,000), 10,700 sq mi (27,713 sq km), West Indies, on the western third of the island of Hispaniola. It is boun...

American Revolution

(Encyclopedia)American Revolution, 1775–83, struggle by which the Thirteen Colonies on the Atlantic seaboard of North America won independence from Great Britain and became the United States. It is also called th...

opera

(Encyclopedia)opera, drama set to music. In the early part of the 20th cent. the foremost operatic composer was Richard Strauss. Although influenced by Wagner, he composed operas with even richer and more stunnin...

drama, Western

(Encyclopedia)drama, Western, plays produced in the Western world. This article discusses the development of Western drama in general; for further information see the various national literature articles. During ...

Russia

(Encyclopedia)CE5 CE5 Russia, officially the Russian Federation, Rus. Rossiya, republic (2015 est. pop. 143,888,000), 6,591,100 sq mi (17,070,949 sq km). The largest country in the world by area, Russia is bou...