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nucleus, in physics

(Encyclopedia)nucleus, in physics, the extremely dense central core of an atom. Following the discovery of radioactivity by A. H. Becquerel in 1896, Ernest Rutherford identified two types of radiation given off b...

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...

International Atomic Energy Agency

(Encyclopedia)International Atomic Energy Agency: see Atomic Energy Agency, International. ...

nuclear test-ban treaty

(Encyclopedia)nuclear test-ban treaty: see disarmament, nuclear. ...

test-ban treaty, nuclear

(Encyclopedia)test-ban treaty, nuclear: see disarmament, nuclear. ...

ElBaradei, Mohamed

(Encyclopedia)ElBaradei, Mohamed ĕlbäräˈdā [key], 1942–, Egyptian lawyer and United Nations diplomat, b. Cairo, grad. Univ. of Cairo (1962), New York Univ. School of Law (1974). He worked (1964–80) in the ...

fuel

(Encyclopedia)fuel, material that can be burned or otherwise consumed to produce heat. The common fuels used in industry, transportation, and the home are burned in air. The carbon and hydrogen in fuel rapidly comb...

radioactive waste

(Encyclopedia)radioactive waste, material containing the unusable radioactive byproducts of the scientific, military, and industrial applications of nuclear energy. Since its radioactivity presents a serious health...

electron-volt

(Encyclopedia)electron-volt, abbr. eV, unit of energy used in atomic and nuclear physics; 1 electron-volt is the energy transferred in moving a unit charge, positive or negative and equal to that charge on the elec...

Rickover, Hyman George

(Encyclopedia)Rickover, Hyman George, 1900–1986, American admiral, b. Russia. In World War II he served as head of the electrical section of the navy's Bureau of Ships. After the war he was assigned (1946) to the...