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Cronin, James Watson

(Encyclopedia) Cronin, James Watson, 1931–2016, American nuclear physicist, b. Chicago, Ph.D. Univ. of Chicago, 1955. Cronin and co-researcher Val Logsdon Fitch were awarded the 1980 Nobel Prize in…

twilight

(Encyclopedia) twilight, period between sunset and total darkness or between total darkness and sunrise. Total darkness does not occur immediately when the sun sinks below the horizon because light…

Madhyamika

(Encyclopedia) MadhyamikaMadhyamikamädyŭˈmĭkə [key] [Skt.,=of the middle], philosophical school of Mahayana Buddhism, based on the teaching of “emptiness” (see sunyata) and named for its adherence to…

Fujimori, Alberto

(Encyclopedia) Fujimori, AlbertoFujimori, Albertoälbĕrˈtō f&oomacr;ˌjĭmôrˈē [key], 1938–, president of Peru (1990–2000), b. Lima, Peru. The son of Japanese immigrants, he was educated in Peru and…

catalyst

(Encyclopedia) catalyst, substance that can cause a change in the rate of a chemical reaction without itself being consumed in the reaction; the changing of the reaction rate by use of a catalyst is…

Motion, Sir Andrew Peter

(Encyclopedia) Motion, Sir Andrew Peter, 1952–, English poet and biographer, poet laureate of England (1999–2009), grad. University College, Oxford (B.A., 1974; M.Litt., 1977). He writes poems that…

Clerides, Glafkos John

(Encyclopedia) Clerides, Glafkos JohnClerides, Glafkos Johngläfˈkōs, klārēˈᵺēs [key], 1919–2013, Greek Cypriot political leader. A pilot in Britain's Royal Air Force in World War II, Clerides was…

Fuller, R. Buckminster

(Encyclopedia) Fuller, R. Buckminster (Richard Buckminster Fuller), 1895–1983, American architect and engineer, b. Milton, Mass. Fuller devoted his life to the invention of revolutionary…

magnetron

(Encyclopedia) magnetronmagnetronmăgˈnĭtrŏnˌ [key], vacuum tube oscillator (see electron tube) that generates high-power electromagnetic signals in the microwave frequency range. Its operation is…

Kautsky, Karl Johann

(Encyclopedia) Kautsky, Karl JohannKautsky, Karl Johannkärl yōˈhän koutˈskē [key], 1854–1938, German-Austrian socialist, b. Prague. A leading figure in the effort to spread Marxist doctrine in…