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Cherenkov radiation

(Encyclopedia)Cherenkov radiation or Cerenkov radiation [for P. A. Cherenkov], light emitted by a transparent medium when charged particles pass through it at a speed greater than the speed of light in the medium. ...

Egyptians, Gospel of the

(Encyclopedia)Egyptians, Gospel of the: see Pseudepigrapha. ...

duplication of the cube

(Encyclopedia)duplication of the cube: see geometric problems of antiquity. ...

Dells of the Wisconsin

(Encyclopedia)Dells of the Wisconsin, The Dells, or The Wisconsin Dells, scenic part of the Wisconsin River, central Wis., NW of Portage. The river has cut a deep gorge through 8 mi (12.9 km) of sandstone, which i...

Doctors of the Church

(Encyclopedia)Doctors of the Church: see Fathers of the Church. ...

Dome of the Rock

(Encyclopedia)Dome of the Rock: see Islamic art and architecture. ...

Dunes, Battle of the

(Encyclopedia)Dunes, Battle of the, 1658, decisive engagement fought near Dunkirk in the struggle between France and Spain that had resulted from Spanish intervention in the Fronde. The Spanish under the command of...

Confederation of the Rhine

(Encyclopedia)Confederation of the Rhine, league of German states formed by Emperor Napoleon I in 1806 after his defeat of the Austrians at Austerlitz. Among its members were the newly created kingdoms of Bavaria a...

Congo, kingdom of the

(Encyclopedia)Congo, kingdom of the: see Kongo, kingdom of. ...

Congo, Republic of the

(Encyclopedia)CE5 Congo, Republic of the, republic (2015 est. pop. 4,996,000), 132,046 sq mi (342,000 sq km), W central Africa; also known as the Congo Republic. Congo is bordered on the west by Gabon; on the no...