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Cyprus

(Encyclopedia)CE5 Cyprus sīˈprəs [key], Gr. Kypros, Turk. Kıbrıs, officially Republic of Cyprus...

fascism

(Encyclopedia)fascism făshˈĭzəm [key], totalitarian philosophy of government that glorifies the state and nation and assigns to the state control over every aspect of national life. The name was first used by t...

nuclear reactor

(Encyclopedia)CE5 Power reactor system nuclear reactor, device for producing controlled release of nuclear energy. Reactors can be used for research or for power production. A research reactor is designed to pr...

mining

(Encyclopedia)mining, extraction of solid mineral resources from the earth. These resources include ores, which contain commercially valuable amounts of metals, such as iron and aluminum; precious stones, such as d...

relativity

(Encyclopedia)relativity, physical theory, introduced by Albert Einstein, that discards the concept of absolute motion and instead treats only relative motion between two systems or frames of reference. One consequ...

navigation

(Encyclopedia)navigation, science and technology of finding the position and directing the course of vessels and aircraft. The next great revolution in navigation occurred in the 20th cent., when radio signals ...

Roman art

(Encyclopedia)Roman art, works of art produced in ancient Rome and its far-flung provinces. The continued striving after three-dimensional illusionist effects revealed in the various phases of painting was dup...

glass

(Encyclopedia)glass, hard substance, usually brittle and transparent, composed chiefly of silicates and an alkali fused at high temperature. Glass has become invaluable in modern architecture, illumination, elect...

prostitution

(Encyclopedia)prostitution, act of granting sexual access for payment. Although most commonly conducted by females for males, it may be performed by females or males for either females or males. Prostitution in A...

foreign aid

(Encyclopedia)foreign aid, economic, military, technical, and financial assistance given on an international, and usually intergovernmental level. U.S. foreign aid programs have included at least three different ob...