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London, city, England

(Encyclopedia)London, capital of Great Britain, SE England, on both sides of the Thames River. Greater London (1991 pop. 6,378,600), c.620 sq mi (1,610 sq km), consists of the Corporation of the City of London (199...

Chinese literature

(Encyclopedia)Chinese literature, the literature of ancient and modern China. Fiction during the first years after the 1949 Communist revolution depicted the great social transformations taking place. Party leade...

railroad

(Encyclopedia)railroad or railway, form of transportation most commonly consisting of steel rails, called tracks, on which trains of freight cars, passenger cars, and other rolling stock are drawn by one locomotive...

communism

(Encyclopedia)communism, fundamentally, a system of social organization in which property (especially real property and the means of production) is held in common. Thus, the ejido system of the indigenous people of...

Taiwan

(Encyclopedia)CE5 Taiwan tīˈwänˈ [key], Portuguese Formosa, officially Republic of China, island nation (2015 est. pop. 23,486,000), 13,885 sq mi (35,961 sq km), in the Pacific Ocean, separated from the main...

physics

(Encyclopedia)physics, branch of science traditionally defined as the study of matter, energy, and the relation between them; it was called natural philosophy until the late 19th cent. and is still known by this na...

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 ...

Rome, city, Italy

(Encyclopedia)CE5 Roman Empire (a.d. 117) CE5 Rome, Ital. Roma, city (1991 pop. 2,775,250), capital of Italy and see of the pope, whose residence, Vatican City, is a sovereign state within the city of Rome. R...

Hungary

(Encyclopedia)CE5 Hungary, Hung. Magyarország, republic (2015 est. pop. 9,784,000), 35,919 sq mi (93,030 sq km), central Europe. Hungary borders on Slovakia in the north, on Ukraine in the northeast, on Romania...

United States

(Encyclopedia)CE5 CE5 CE5 United States, officially United States of America, republic (2015 est. pop. 319,929,000), 3,539,227 sq mi (9,166,598 sq km), North America. The United States is the world's third l...