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Bermuda

(Encyclopedia)Bermuda bûrmyo͞oˈdə [key], British dependency (2015 est. pop. 70,000), 21 sq mi (53 sq km), comprising some 150 coral rocks, islets, and islands (of which some 20 are inhabited), in the Atlantic O...

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...

locomotive

(Encyclopedia)locomotive, vehicle used to pull a train of unpowered railroad cars. Richard Trevithick, a British engineer and inventor, built and operated (1803–4) the first successful steam engine locomotive f...

civil rights

(Encyclopedia)civil rights, rights that a nation's inhabitants enjoy by law. The term is broader than “political rights,” which refer only to rights devolving from the franchise and are held usually only by a c...

television

(Encyclopedia)CE5 Video transmission and reception of color and black-and-white television: The camera lens focuses collected light rays into mirrors, which separate the image into its three primary color compon...

Miami, cities, United States

(Encyclopedia)Miami mīămˈē, –ə [key]. 1 City (1990 pop. 358,548), seat of Dade co., SE Fla., on Biscayne Bay at the mouth of the Miami River; inc. 1896. The region of Greater Miami encompasses all of Dade co...

San Marino, country, Europe

(Encyclopedia)CE5 San Marino sän märēˈnō [key], officially Republic of San Marino, republic (2015 est. pop. 33,000), 24 sq mi (62 sq km), in the Apennines near the Adriatic Sea, SW of Rimini, N central Ital...

North Africa, campaigns in

(Encyclopedia)North Africa, campaigns in, series of military contests for control of North Africa during World War II. The desert war started in 1940 and for more than two years thereafter seesawed between NE Libya...

mine, in warfare

(Encyclopedia)mine, in warfare, term formerly applied to a system of tunnels dug under an army fortification and ending in a chamber where either explosives were placed to be detonated at a chosen moment or the sup...

balloon

(Encyclopedia)balloon, lighter-than-air craft without a propulsion system, lifted by inflation of one or more containers with a gas lighter than air or with heated air. During flight, altitude may be gained by disc...