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modem

(Encyclopedia)modem [modulator/demodulator], an external device or internal electronic circuitry used to transmit and receive digital data over a communications line normally used for analog signals. A modem attach...

transportation

(Encyclopedia)transportation, conveyance of goods and people over land, across water, and through the air. See also commerce. The first practical attempts at air transportation began with the invention of the h...

ship

(Encyclopedia)ship, large craft in which persons and goods may be conveyed on water. In the U.S. Navy the term boat refers to any vessel that is small enough to be hoisted aboard a ship, and ship is used for any la...

airline industry

(Encyclopedia)airline industry, the business of transporting paying passengers and freight by air along regularly scheduled routes, typically by airplanes but also by helicopter. Ferdinand Graf von Zeppelin set up ...

classicism

(Encyclopedia)classicism, a term that, when applied generally, means clearness, elegance, symmetry, and repose produced by attention to traditional forms. It is sometimes synonymous with excellence or artistic qual...

Hemingway, Ernest

(Encyclopedia)Hemingway, Ernest, 1899–1961, American novelist and short-story writer, b. Oak Park, Ill. one of the great American writers of the 20th cent. Hemingway's fiction usually focuses on people living ...

James, Henry, American novelist and critic

(Encyclopedia)James, Henry, 1843–1916, American novelist and critic, b. New York City. A master of the psychological novel, James was an innovator in technique and one of the most distinctive prose stylists in En...

microscope

(Encyclopedia)CE5 Compound microscope microscope, optical instrument used to increase the apparent size of an object. The electron microscope, which is not limited by the powers of optical lenses and light,...

Bull Run

(Encyclopedia)Bull Run, small stream, NE Va., c.30 mi (50 km) SW of Washington, D.C. Two important battles of the Civil War were fought there: the first on July 21, 1861, and the second Aug. 29–30, 1862. Both bat...

fuel

(Encyclopedia)fuel, material that can be burned or otherwise consumed to produce heat. The common fuels used in industry, transportation, and the home are burned in air. The carbon and hydrogen in fuel rapidly comb...