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Ellison, Harlan

(Encyclopedia)Ellison, Harlan (Harlan Jay Ellison), 1934–2018, American writer best known for his science fiction, b. Cleveland. Ellison wrote more than 100 books and some 1,700 short stories and articles as well...

Plymouth Brethren

(Encyclopedia)Plymouth Brethren, group of Christian believers originating in the early 19th cent. in Ireland and spreading from there to the Continent (especially Switzerland), the British dominions, and the United...

unemployment insurance

(Encyclopedia)unemployment insurance, insurance against loss of wages during the time that an able-bodied worker is involuntarily unemployed. The goal of such insurance is to provide a minimal livelihood to unemplo...

magnetic pole

(Encyclopedia)magnetic pole, the two roughly opposite ends of the planet where the earth's magnetic intensity is the greatest, as the north and south magnetic poles. For the magnetic north, it is the direction from...

anticyclone

(Encyclopedia)anticyclone, region of high atmospheric pressure; anticyclones are commonly referred to as “highs.” The pressure gradient, or change between the core of the anticyclone and its surroundings, combi...

Greenfield

(Encyclopedia)Greenfield <1> City (2020 pop. 18,937), Monterey co., SW Calif.; inc. 1947. Thirty-three miles SE of Salinas, the town was originally founded in 1...

pitot static system

(Encyclopedia)pitot static system pētōˈ [key], device for measuring the rate at which a fluid flows. Among the principal applications of the device are an airspeed indicator for aircraft and a distance and speed...

Tyson, Cecily

(Encyclopedia) Tyson, Cecily, 1924-2021, American actress, b. East Harlem, N.Y. Of Caribbean heritage, Tyson began working as a model while studying acting in the la...

trench warfare

(Encyclopedia)trench warfare. Although trenches were used in ancient and medieval warfare, in the American Civil War, and in the Russo-Japanese War (1904–5), they did not become important until World War I. The i...

network

(Encyclopedia)network, in computing, two or more computers connected for the purpose of routing, managing, and storing rapidly changing data. A local area network (LAN), which is restricted by distances of up to on...