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human evolution

(Encyclopedia)human evolution, theory of the origins of the human species, Homo sapiens. Modern understanding of human origins is derived largely from the findings of paleontology, anthropology, and genetics, and i...

Dreyer, Carl Theodor

(Encyclopedia)Dreyer, Carl Theodor kärl tāˈōdôrˌ drīˈər [key], 1889–1968, Danish motion picture director. He began making films in Denmark in 1919. His Passion of Joan of Arc (1928), widely regarded as a...

field, in physics

(Encyclopedia)field, in physics, region throughout which a force may be exerted; examples are the gravitational, electric, and magnetic fields that surround, respectively, masses, electric charges, and magnets. The...

gyroscope

(Encyclopedia)CE5 Three-frame gyroscope gyroscope jīˈrəskōpˌ [key], symmetrical mass, usually a wheel, mounted so that it can spin about an axis in any direction. When spinning, the gyroscope has special p...

Gainsborough, Thomas

(Encyclopedia)Gainsborough, Thomas gānzˈbûrˌō [key], 1727–88, English portrait and landscape painter, b. Sudbury. In 1740 he went to London and became the assistant and pupil of the French engraver Hubert Gr...

antelope

(Encyclopedia)antelope, name applied to any of a large number of hoofed, ruminant mammals of the cattle family (Bovidae), which also includes the bison, buffalo, sheep, and goats. Found in Africa and Eurasia, they ...

broadcasting

(Encyclopedia)broadcasting, transmission, usually using radio frequencies, of sound or images to a large number of radio or television receivers. In the United States the first regularly scheduled radio broadcasts ...

diner

(Encyclopedia)diner, restaurant resembling the railroad dining car. In the mid-19th cent., the first dining cars that appeared on trains were nothing more than an empty car with a fastened-down table. George M. Pul...

Charles Martel

(Encyclopedia)Charles Martel märtĕlˈ [key] [O.Fr.,=Charles the Hammer], 688?–741, Frankish ruler, illegitimate son of Pepin of Heristal and grandfather of Charlemagne. After the death of his father (714) he se...

English foxhound

(Encyclopedia)English foxhound, breed of medium-sized, swift hound perfected in England in the 17th and 18th cent. It stands from 21 to 25 in. (53.3–63.5 cm) high at the shoulder and weighs from 60 to 70 lb (27.2...