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radiation sickness

(Encyclopedia)radiation sickness, harmful effect produced on body tissues by exposure to radioactive substances. The biological action of radiation is not fully understood, but it is believed that a disturbance in ...

submarine

(Encyclopedia)submarine, naval craft capable of operating for an extended period of time underwater. Submarines are almost always warships, although a few are used for scientific, business, or other purposes (see a...

Kazakhstan

(Encyclopedia)CE5 Kazakhstan or Kazakstan käˌzäkstänˈ [key], officially Republic of Kazakhstan, republic (2015 est. pop. 17,750,000), c.1,050,000 sq mi (2,719,500 sq km), central Asia. It borders on Siberia...

Lop Nur

(Encyclopedia)Lop Nur lôp nûr [key], salt basin, SE Xinjiang Uygur Autonomous Region, China, in the Tarim River basin. Since 1964, Lop Nur has been used by the China for its nuclear test explosions. Once a large ...

Taylor, Maxwell Davenport

(Encyclopedia)Taylor, Maxwell Davenport, 1901–87, U.S. general, b. Keytesville, Mo., grad. West Point, 1922. In World War II he served in Europe with the 82d Airborne Division and as commander of the 101st Airbor...

Tolstaya, Tatyana

(Encyclopedia)Tolstaya, Tatyana tōlstīˈyä [key], 1951–, Russian short-story writer and essayist. Increasingly recognized as one of the major European writers of the postwar generation, Tolstaya is part of a R...

Clancy, Tom

(Encyclopedia)Clancy, Tom (Thomas Leo Clancy, Jr.), 1947–2013, American popular novelist, b. Baltimore, grad. Loyola Univ. Maryland (B.A., 1969). While working as an insurance agent he wrote The Hunt for Red Octo...

Cohen, Samuel Theodore

(Encyclopedia)Cohen, Samuel Theodore, 1921–2010, American physicist known as the “father of the neutron bomb,” b. Brooklyn, N.Y., grad. Univ. of California, Los Angeles, 1943. He worked on the Manhattan Proje...

Fuchs, Klaus Emil

(Encyclopedia)Fuchs, Klaus Emil fo͝oks, fo͞oks [key], 1912–88, British physicist and Communist spy, b. Germany. In 1933 he fled Germany for England, where he completed his education. Interned (1940–41) in Can...

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...