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Harding, Warren Gamaliel

(Encyclopedia)Harding, Warren Gamaliel gəmāˈlēəl [key], 1865–1923, 29th President of the United States (1921–23), b. Blooming Grove (now Corsica), Ohio. After study (1879–82) at Ohio Central College, he ...

Swiss literature

(Encyclopedia)Swiss literature. The literature of Switzerland is written in German, French, Italian, and Romansh, with German predominating. The extensive literature in Romansh dialect (see Rhaeto-Romanic) is littl...

silverwork

(Encyclopedia)silverwork, utilitarian objects and works of art created from silver. Silverwork includes ecclesiastical and domestic plate, flatware, jewelry, buttons, buckles, boxes, toilet articles, weapons, furni...

Adams, Henry

(Encyclopedia)Adams, Henry, 1838–1918, American writer and historian, b. Boston; son of Charles Francis Adams (1807–86). He was secretary (1861–68) to his father, then U.S. minister to Great Britain. Upon his...

Nile

(Encyclopedia)Nile, longest river in the world, c.4,160 mi (6,695 km) long from its remotest headstream, the Luvironza River in Burundi, central Africa, to its delta on the Mediterranean Sea, NE Egypt. The Nile flo...

artificial intelligence

(Encyclopedia)artificial intelligence (AI), the use of computers to model the behavioral aspects of human reasoning and learning. Research in AI is concentrated in some half-dozen areas. In problem solving, one mus...

Liège, city, Belgium

(Encyclopedia)Liège, Du. Luik, Ger. Lüttich, city (1991 pop. 194,596), capital of Liège prov., E Belgium, at the confluence of the Meuse and Ourthe rivers, near the Dutch and German borders. Greater Liège inclu...

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,...

learning

(Encyclopedia)learning, in psychology, the process by which a relatively lasting change in potential behavior occurs as a result of practice or experience. Learning is distinguished from behavioral changes arising ...

Raphael Santi

(Encyclopedia)Raphael Santi or Raphael Sanzio, Ital. Raffaello Santi or Raffaello Sanzio räfˌfäĕlˈlō sänˈtē, sänˈtsyō [key], 1483–1520, major Italian Renaissance painter, b. Urbino. In Raphael's work ...