Columbia Encyclopedia

Search results

500 results found

Lawrence Berkeley National Laboratory

(Encyclopedia)Lawrence Berkeley National Laboratory and Lawrence Livermore National Laboratory, scientific research centers run by the Univ. of California, located in Berkeley, Calif., and Livermore, Calif., respec...

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 ...

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 ...

protozoan

(Encyclopedia)protozoan prōˌtəzōˈən [key], informal term for the unicellular heterotrophs of the kingdom Protista. Protozoans comprise a large, diverse assortment of microscopic or near-microscopic organisms ...

cold fusion

(Encyclopedia)cold fusion or low-temperature fusion, nuclear fusion of deuterium, an isotope of hydrogen, at or relatively near room temperature. Fusion, the reaction involved in the release of the destructive ener...

Dimona

(Encyclopedia)Dimona dīmōˈnə [key] [Heb.,=wasting], town, S Israel, in the Negev Desert. It is the seat...

Oak Ridge

(Encyclopedia)Oak Ridge, city (1990 pop. 27,310), Anderson and Roane counties, E Tenn., on Black Oak Ridge and the Clinch River; founded by the U.S. government 1942, inc. as an independent city 1959. For years Oak ...

Nunn, Sam

(Encyclopedia)Nunn, Sam (Samuel Augustus Nunn, Jr.), 1938–, U.S. Senator from Georgia (1973–97), b. Perry, Ga. A lawyer, he was a member of the Georgia House of Representatives (1968–72) and won election as a...

Greenpeace

(Encyclopedia)Greenpeace, international organization that promotes environmental awareness and addresses environmental abuse through direct, nonviolent confrontations with governments and companies. Founded in 1971...

Mastigophora

(Encyclopedia)Mastigophora măsˌtĭgŏfˈərə [key], phylum of unicellular heterotrophic protozoans of the kingdom Protista. Most of the approximately 1,500 species of Mastigophora are propelled by one or more fl...