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Seneca, the younger, c.3 b.c.–a.d. 65, Roman philosopher, dramatist, and statesman

(Encyclopedia)Seneca, the younger (Lucius Annaeus Seneca) lo͞oˈshəs ənēˈəs sĕnˈəkə [key], c.3 b.c.–a.d. 65, Roman philosopher, dramatist, and statesman, b. Corduba (present-day Córdoba), Spain. He was...

Uranus , in astronomy

(Encyclopedia)Uranus yo͝orāˈnəs, yo͝orˈə– [key], in astronomy, 7th planet from the sun, at a mean distance of 1.78 billion mi (2.87 billion km), with an orbit lying between those of Saturn and Neptune; its...

Harlem Renaissance

(Encyclopedia)Harlem Renaissance, term used to describe a flowering of African-American literature and art in the 1920s, mainly in the Harlem district of New York City. During the mass migration of African American...

Pinter, Harold

(Encyclopedia)Pinter, Harold, 1930–2008, English dramatist. Born in Hackney in London's East End, the son of an English tailor of Eastern European Jewish ancestry, he studied at London's Royal Academy of Dramatic...

mystery

(Encyclopedia)mystery or mystery story, literary genre in which the cause (or causes) of a mysterious happening, often a crime, is gradually revealed by the hero or heroine; this is accomplished through a mixture o...

space science

(Encyclopedia)space science, body of scientific knowledge as it relates to space exploration; it is sometimes also called astronautics. Space science draws on the conventional sciences of physics, chemistry, biolog...

atomic bomb

(Encyclopedia)atomic bomb or A-bomb, weapon deriving its explosive force from the release of nuclear energy through the fission (splitting) of heavy atomic nuclei. The first atomic bomb was produced at the Los Alam...

Bauhaus

(Encyclopedia)Bauhaus bouˈhous [key], artists' collective and school of art and architecture in Germany (1919–33). The Bauhaus revolutionized art training by combining the teaching of classic arts with the study...

space exploration

(Encyclopedia)CE5 Moon mission assembly CE5 Stages in a moon mission shown counterclockwise from launching on the first day to splashdown on the ninth day. space exploration, the investigation of physical co...

neutrino

(Encyclopedia)neutrino no͞otrēˈnō [key] [Ital.,=little neutral (particle)], elementary particle with no electric charge and a very small mass emitted during the decay of certain other particles. The neutrino wa...