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equilibrium

(Encyclopedia)CE5 Equilibrium equilibrium, state of balance. When a body or a system is in equilibrium, there is no net tendency to change. In mechanics, equilibrium has to do with the forces acting on a body. ...

Long, Huey Pierce

(Encyclopedia)Long, Huey Pierce, 1893–1935, American political leader, b. Winnfield, La.; brother of Earl Long. Originally a farm boy, he was an extremely successful traveling salesman before studying law at Tula...

city planning

(Encyclopedia)city planning, process of planning for the improvement of urban centers in order to provide healthy and safe living conditions, efficient transport and communication, adequate public facilities, and a...

Lane, Franklin Knight

(Encyclopedia)Lane, Franklin Knight, 1864–1921, U.S. Secretary of the Interior (1913–20), b. near Charlottetown, P.E.I., Canada. Raised in California, he later studied law and practiced in San Francisco, where ...

Maga, Hubert

(Encyclopedia)Maga, Hubert (Hubert Coutoucou Maga) übârˈ mäˈgä [key], 1916–2000, political leader in Dahomey (now Benin). A teacher, he became active in politics and was (1951–58) a representative in the ...

Russell of Killowen, Charles Russell, Baron

(Encyclopedia)Russell of Killowen, Charles Russell, Baron kĭlōˈən [key], 1832–1900, British jurist, b. Ireland. He practiced law in Belfast and London before his election to Parliament as a Liberal in 1880. I...

Rainwater, James

(Encyclopedia)Rainwater, James, 1917–86, American physicist, Ph.D. Columbia, 1946. After working on the Manhattan Project as a student during World War II, he became a professor of physics at Columbia in 1952. Hi...

Crittenden, Thomas Leonidas

(Encyclopedia)Crittenden, Thomas Leonidas lē-ŏnˈədəs [key], 1819–93, Union general in the Civil War, b. Russellville, Ky.; son of John J. Crittenden and brother of George B. Crittenden. He served in the Mexi...

Goldmark, Peter Carl

(Encyclopedia)Goldmark, Peter Carl, 1906–77, Hungarian-American engineer, b. Budapest. He studied at the Univ. of Vienna (B.S., 1929, Ph.D., 1931); worked for a radio company in England (1931–33). After emigrat...

vending machine

(Encyclopedia)vending machine, coin-operated, automatic device for selling goods. Many vending machines are capable of making change, and some of the more sophisticated ones accept paper money or credit cards. The ...