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African music

(Encyclopedia)African music, the music of the indigenous peoples of Africa. Sub-Saharan African music has as its distinguishing feature a rhythmic complexity common to no other region. Polyrhythmic counterpoint, wh...

aerodynamics

(Encyclopedia)aerodynamics, study of gases in motion. As the principal application of aerodynamics is the design of aircraft, air is the gas with which the science is most concerned. Although aerodynamics is primar...

Tolstoy, Leo, Count

(Encyclopedia)Tolstoy, Leo, Count, Rus. Lev Nikolayevich Tolstoi (lyĕf), 1828–1910, Russian novelist and philosopher, considered one of the world's greatest writers. About 1876 the doubts that had beset Tols...

Douglas-Home, Alexander Frederick, Baron Home of the Hirsel

(Encyclopedia)Douglas-Home, Alexander Frederick, Baron Home of the Hirsel dŭgˈləs-hyo͞om [key], 1903–95, British politician. Educated at Eton and Oxford, he was elected to the House of Commons in 1931 as a Co...

French Revolutionary calendar

(Encyclopedia)French Revolutionary calendar, the official calendar of France, Nov. 24, 1793–Dec. 31, 1805. Its introduction was decreed by the Convention on Oct. 5, 1793, but it was computed from Sept. 22, 1792, ...

milling

(Encyclopedia)milling, mechanical grinding of wheat or other grains to produce flour. Milling separates the fine, mealy parts of grain from the fibrous bran covering. In prehistoric times grain was crushed between ...

musical instruments

(Encyclopedia)musical instruments are classified in various ways, but the system devised in 1914 by Kurt Sachs and E. M. von Hornbostel has been accorded recognition by both anthropologists and musicologists becaus...

Kiarostami, Abbas

(Encyclopedia)Kiarostami, Abbas ăbôˈsā kēyôˈrōmămēˌ [key], 1940–2016, Iranian filmmaker. Widely acclaimed as Iran's greatest film director, he typically explores the lives of ordinary Iranians in his f...

Atlantic Ocean

(Encyclopedia)CE5 Atlantic Ocean [Lat.,=of Atlas], second largest ocean (c.31,800,000 sq mi/82,362,000 sq km; c.36,000,000 sq mi/93,240,000 sq km with marginal seas). The North Atlantic Ocean has some of the w...

Indian Ocean

(Encyclopedia)Indian Ocean, third largest ocean, c.28,350,000 sq mi (73,427,000 sq km), extending from S Asia to Antarctica and from E Africa to SE Australia; it is c.4,000 mi (6,400 km) wide at the equator. It con...