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electroweak theory

(Encyclopedia)electroweak theory, a unified field theory that describes two of the fundamental forces in nature, electromagnetism (see electromagnetic radiation) and the weak interaction. The electroweak theory der...

Coltrane, John

(Encyclopedia)Coltrane, John kōltrānˈ, kōlˈtrān [key], 1926–67, American jazz musician, b. Hamlet, N.C. He began ...

intuition

(Encyclopedia)intuition, in philosophy, way of knowing directly; immediate apprehension. The Greeks understood intuition to be the grasp of universal principles by the intelligence (nous), as distinguished from the...

fuel cell

(Encyclopedia)fuel cell, electric cell in which the chemical energy from the oxidation of a gas fuel is converted directly to electrical energy in a continuous process (see oxidation and reduction). The efficiency ...

Fuentes, Carlos

(Encyclopedia)Fuentes, Carlos kärˈlōs fwānˈtās [key], 1928–2012, Mexican writer, editor, and diplomat. He was head of the department of cultural relations in Mexico's ministry of foreign affairs (1956–59)...

lightning

(Encyclopedia)lightning, electrical discharge accompanied by thunder, commonly occurring during a thunderstorm. The discharge may take place between one part of a cloud and another part (intracloud), between one cl...

kitchen

(Encyclopedia)kitchen, separate room or other space set aside for the cooking or preparation of meals. When cooking first moved indoors, it was performed, with other domestic labors, in the common room, where the f...

Leary, Timothy Francis

(Encyclopedia)Leary, Timothy Francis, 1920–96, American psychologist and educator, b. Springfield, Mass.; B.A., Univ. of Alabama, 1943; M.A., Washington State Univ.; Ph.D., Univ. of California at Berkeley, 1950. ...

Smithsonian Institution

(Encyclopedia)Smithsonian Institution, research and education center, mainly at Washington, D.C.; founded 1846 under the terms of the will of James Smithson of London, who in 1829 bequeathed his fortune to the Unit...

Cleveland, cities, United States

(Encyclopedia)Cleveland. 1 City (2020 pop. 372,674), seat of Cuyahoga co., NE Ohio, on Lake Erie at the mouth of the Cuyahoga River; laid out (1796) by Moses ...