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Khan, Abdul Qadeer

(Encyclopedia)Khan, Abdul Qadeer (A. Q. Khan), 1936–, Pakistani metallurgical engineer, often called the father of Pakistan's atomic bomb, b. Bhopal, India. He moved (1952) to Pakistan and studied at the D. J. Sc...

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 preparing strategic ...

Richland

(Encyclopedia)Richland, city (1990 pop. 32,315), Benton co., S Wash., at the confluence of the Columbia and Yakima rivers, in an irrigated farm and vineyard region; inc. 1958. It is the headquarters of the U.S. Dep...

Amarillo

(Encyclopedia)Amarillo ămərĭlˈō, –ˈə [key], city (2020 pop. 200,393), seat of Potter co., N Tex.; inc. 1899. The commercial and industrial center of the Texas Panhandle, Amaril...

Kalam, A. P. J. Abdul

(Encyclopedia)Kalam, A. P. J. Abdul (Avul Pakir Jainulabdeen Abdul Kalam), 1921–2015, Indian scientist and political leader, studied St. Joseph's College, Tiruchirappalli (grad. 1954), Madras Institute of Technol...

Heisenberg, Werner

(Encyclopedia)Heisenberg, Werner vĕrˈnər hīˈzənbĕrk [key], 1901–76, German physicist. One of the founders of the quantum theory, he is best known for his uncertainty principle, or indeterminacy principle, ...

chemical warfare

(Encyclopedia)chemical warfare, employment in war of incendiaries, poison gases, and other chemical substances. Ancient armies attacking or defending fortified cities threw burning oil and fireballs. A primitive ty...

frigate

(Encyclopedia)frigate frĭgˈĭt [key], originally a long, narrow nautical vessel used on the Mediterranean, propelled by either oars or sail or both. Later, during the 18th and early 19th cent., the term was appli...

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