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submersible

(Encyclopedia)submersible, small, mobile undersea research vessel capable of functioning in the ocean depths. Development of a great variety of submersibles during the later 1950s and 1960s came about as a result o...

particle accelerator

(Encyclopedia)CE5 Linear accelerator (LINAC) CE5 Cyclotron: As the charged particles move faster, they spiral out to the edge of the Ds. particle accelerator, apparatus used in nuclear physics to produce bea...

journalism

(Encyclopedia)journalism, the collection and periodic publication or transmission of news through media such as newspaper, periodical, television, and radio. By broadcasting events such as the Watergate hearin...

swimming

(Encyclopedia)swimming, self-propulsion through water, often as a form of recreation or exercise or as a competitive sport. It is mentioned in many of the classics in connection with heroic acts or religious rites....

ant

(Encyclopedia)ant, any of the 2,500 insect species constituting the family Formicidae of the order Hymenoptera, to which the bee and the wasp also belong. Like most members of the order, ants have a “wasp waist,â...

Ä°stanbul

(Encyclopedia)İstanbul ĭsˌtănbo͞olˈ, ĭstanˈbo͞ol [key], city and metropolitan muncipality,...

bridge, structure

(Encyclopedia)CE5 Bridges bridge, structure built over water or any obstacle or depression to allow the passage of pedestrians or vehicles. See also viaduct. In wartime, where the means of crossing a stream o...

Detroit, city, United States

(Encyclopedia)Detroit dĭtroitˈ [key], city (2020 pop. 639,111), seat of Wayne co., SE Mich., on the Detro...

Nelson, Horatio Nelson, Viscount

(Encyclopedia)Nelson, Horatio Nelson, Viscount, 1758–1805, British admiral. The most famous of Britain's naval heroes, he is commemorated by the celebrated Nelson Column in Trafalgar Square, London. Upon the ...

Saint Petersburg, city, Russia

(Encyclopedia)Saint Petersburg, formerly Leningrad, Rus. Sankt-Peterburg, city (1990 est. pop. 5,036,000), capital of the Leningrad region (although not administratively part of it) and the administrative center of...