Columbia Encyclopedia

(Encyclopedia) World War I, 1914–18, also known as the Great War, conflict, chiefly in Europe, among most of the great Western powers. It was the largest war the world had yet seen. World War I and the resul...

(Encyclopedia) light, visible electromagnetic radiation. Of the entire electromagnetic spectrum, the human eye is sensitive to only a tiny part, the part that is called light. The wavelengths of visible light range ...

(Encyclopedia)  CE5 Bohr-Rutherford atom CE5 Probability distribution of the electron in the hydrogen atom: A. Ground state B. Highly excited state atom [Gr.,=uncuttable (indivisible)], basic unit of matte...

(Encyclopedia) Bavaria bəvârˈēə [key], Ger. Bayern, state, 27,239 sq mi (70,549 sq km), S Germany. Muni...

(Encyclopedia)  CE5 Gabon gäbôNˈ [key], officially Gabonese Republic, republic (2015 est. pop. 1,930,000), 103,346 sq mi (267,667 sq km), W central Africa. It borders on the Atlantic Ocean in the west, on Equat...

(Encyclopedia)  CE5 Hungary, Hung. Magyarország, republic (2015 est. pop. 9,784,000), 35,919 sq mi (93,030 sq km), central Europe. Hungary borders on Slovakia in the north, on Ukraine in the northeast, on Romania...

(Encyclopedia) comic strip, combination of cartoon with a story line, laid out in a series of pictorial panels across a page and concerning a continuous character or set of characters, whose thoughts and dialogues a...

(Encyclopedia)  CE5 Africa ăfˈrĭkə [key], second largest continent (2015 est. pop. 1,194,370,000), c.11,677,240 sq mi (30,244,050 sq km) including adjacent islands. Broad to the north (c.4,600 mi/7,400 km wide...

(Encyclopedia)  CE5 Uganda yo͞ogänˈdə, o͞ogänˈdä [key], officially Republic of Uganda, republic (2015 est. pop. 37,102,000), 91,133 sq mi (236,036 sq km), E central Africa. It borders on Tanzania and Rwand...

(Encyclopedia) Indian art and architecture, works of art and architecture produced on the Indian subcontinent, which is now divided among India, Pakistan, and Bangladesh. In the Western world, notable collections of...