Columbia Encyclopedia

Search results

500 results found

Alamogordo

(Encyclopedia)Alamogordo ălˌəməgôrˈdō, –də [key], city, seat of Otero co., S N.Mex., near the Sacramento Mts.; inc. 1912. Holloman Air Force Base, home to U.S. stealth aircraf...

nuclear weapons

(Encyclopedia)nuclear weapons, weapons of mass destruction powered by atomic, rather than chemical, processes. Nuclear weapons produce large explosions and hazardous radioactive byproducts by means of either nuclea...

chain reaction

(Encyclopedia)CE5 Chain reaction: A neutron (n) strikes the uranium nucleus (U-235), causing it to split into fission products A and B and release two neutrons. These neutrons can in turn cause further fissions....

Consumer Financial Protection Bureau

(Encyclopedia)Consumer Financial Protection Bureau (CFPB), officially the Bureau of Consumer Financial Protection, independent U.S. government agency responsible for most of the federal oversight and enforcement of...

Public Works Administration

(Encyclopedia)Public Works Administration (PWA), in U.S. history, New Deal government agency established (1933) by the Congress as the Federal Administration of Public Works, pursuant to the National Industrial Rec...

propaganda

(Encyclopedia)propaganda, systematic manipulation of public opinion, generally by the use of symbols such as flags, monuments, oratory, and publications. Modern propaganda is distinguished from other forms of commu...

Petraeus, David Howell

(Encyclopedia)Petraeus, David Howell pĕtrāˈəs [key], 1952–, American military officer and government official, b. Cornwall, N.Y., studied West Point (B.S., 1974), U.S. Army Command and General Staff College (...

King, William Lyon Mackenzie

(Encyclopedia)King, William Lyon Mackenzie, 1874–1950, Canadian political leader, b. Kitchener, Ont.; grandson of William Lyon Mackenzie. An expert on labor questions, he served in Wilfrid Laurier's Liberal admin...

solid-state physics

(Encyclopedia)solid-state physics, study of the properties of bulk matter rather than those of the individual particles that compose it. Solid-state physics is concerned with the properties exhibited by atoms and m...

Browse by Subject