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airplane

(Encyclopedia)CE5 A. Side view of jet-propelled airplane B. Top view airplane, aeroplane, or aircraft, heavier-than-air vehicle, mechanically driven and fitted with fixed wings that support it in flight thro...

computer

(Encyclopedia)CE5 Schematic diagram of a computer system: Data flow is indicated by solid lines; control signals are indicated by dashed lines. computer, device capable of performing a series of arithmetic or l...

industrial management

(Encyclopedia)industrial management, term applied to highly organized modern methods of carrying on industrial, especially manufacturing, operations. Modern technological devices, particularly in the areas of com...

Conkling, Roscoe

(Encyclopedia)Conkling, Roscoe, 1829–88, American politician, b. Albany, N.Y. On his admission to the bar in 1850, he was immediately appointed district attorney of Albany. The son of Alfred Conkling, Congressman...

coin

(Encyclopedia)coin, piece of metal, usually a disk of gold, silver, nickel, bronze, copper, aluminum, or a combination of such metals, stamped by authority of a government as a guarantee of its real or exchange val...

George, Henry

(Encyclopedia)George, Henry, 1839–97, American economist, founder of the single tax movement, b. Philadelphia. Of a poor family, his formal education was cut short at 14, and in 1857 he emigrated to California; t...

LaGuardia, Fiorello Henry

(Encyclopedia)LaGuardia, Fiorello Henry fēərĕlˈō, ləgwärˈdēə [key], 1882–1947, U.S. public official, congressman, and mayor of New York City (1934–45), b. New York City. He spent his early years in Ar...

Smolensk

(Encyclopedia)Smolensk smōlĕnskˈ, smô–, Rus. sməlyĕnskˈ [key], city (1989 pop. 341,000), capital of Smolensk region, W European Russia, a port on the Dnieper River. It is an important rail junction, a dist...

tank, military

(Encyclopedia)tank, military, armored vehicle having caterpillar traction and armed with machine guns, cannon, rockets, or flame throwers. The tank, together with the airplane, opened up modern warfare, which had b...

cryptography

(Encyclopedia)cryptography krĭptŏgˈrəfē [key] [Gr.,=hidden writing], science of secret writing. There are many devices by which a message can be concealed from the casual reader, e.g., invisible writing, but t...