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United Irishmen

(Encyclopedia) United Irishmen or United Irish Society, Irish political organization. It was founded at Belfast in 1791 by Theobald Wolfe Tone. Disgruntled by the use of English patronage to control…

Strategic Air Command

(Encyclopedia) Strategic Air Command (SAC), former command of the U.S. air force (see Air Force, United States Department of the) charged with organizing, training, equipping, administering, and…

Fitzgibbon, James

(Encyclopedia) Fitzgibbon, James, 1780–1863, Canadian soldier, b. Ireland. As an officer in the War of 1812, he distinguished himself in the battle of Beaver Dams (1813) on the Niagara frontier.…

dimension, in physics

(Encyclopedia) dimension, in physics, an expression of the character of a derived quantity in relation to fundamental quantities, without regard for its numerical value. In any system of measurement…

Scowcroft, Brent

(Encyclopedia) Scowcroft, Brent, 1925–2020, U.S. air force general and government official, b. Ogden, Utah, B.S. United States Military Academy, 1947, Ph.D. Columbia, 1967. From 1947 to 1975, he…

flux, magnetic

(Encyclopedia) flux, magnetic, in physics, term used to describe the total amount of magnetic field in a given region. The term flux was chosen because the power of a magnet seems to “flow” out of…

Colorado Springs

(Encyclopedia) Colorado Springs, city (2020 pop. 478,961), seat of El Paso co., central Colo., on Monument and Fountain creeks, at the foot of Pikes…

friction

(Encyclopedia) friction, resistance offered to the movement of one body past another body with which it is in contact. In certain situations friction is desired. Without friction the wheels of a…

Royal Canadian Mounted Police

(Encyclopedia) Royal Canadian Mounted Police, constabulary organized (1873) as the Northwest Mounted Police to bring law and order to the Canadian west. In 1920 the name was changed to the present…

Assad, Hafez al-

(Encyclopedia) Assad, Hafez al-Assad, Hafez al-häfĕzˈ [key]Assad, Hafez al- äl-äsˈsäd [key], 1930–2000, president of Syria (1971–2000). He graduated (1955) from the Syrian Military Academy and…