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Counter Reformation

(Encyclopedia)Counter Reformation, 16th-century reformation that arose largely in answer to the Protestant Reformation; sometimes called the Catholic Reformation. Although the Roman Catholic reformers shared the Pr...

recycling

(Encyclopedia)recycling, the process of recovering and reusing waste products—from household use, manufacturing, agriculture, and business—and thereby reducing their burden on the environment. During World War ...

communication

(Encyclopedia)communication, transfer of information, such as thoughts and messages, as contrasted with transportation, the transfer of goods and persons (see information theory). The basic forms of communication a...

quantum electrodynamics

(Encyclopedia)quantum electrodynamics (QED), quantum field theory that describes the properties of electromagnetic radiation and its interaction with electrically charged matter in the framework of quantum theory. ...

Hussites

(Encyclopedia)Hussites hŭsˈīts [key], followers of John Huss. After the burning of Huss (1415) and Jerome of Prague (1416), the Hussites continued as a powerful group in Bohemia and Moravia. They drew up (1420) ...

Jansen, Cornelis

(Encyclopedia)Jansen, Cornelis kôrnāˈlĭs yänˈsən [key], 1585–1638, Dutch Roman Catholic theologian. He studied at the Univ. of Louvain and became imbued with the idea of reforming Christian life along the ...

Heidegger, Martin

(Encyclopedia)Heidegger, Martin märˈtēn hīˈdĕger [key], 1889–1976, German philosopher. As a student at Freiburg, Heidegger was influenced by the neo-Kantianism of Heinrich Rickert and the phenomenology of E...

Sikhism

(Encyclopedia)Sikhism sĭkˈĭzəm [key], religion centered in the Indian state of Punjab, numbering worldwide some 19 million. Some 300,000 Sikhs live in Britain, and there are smaller communities in North America...

evolution

(Encyclopedia)CE5 Plant and animal evolution [Modified from Alfred Gunderson in Brooklyn Botanic Garden Leaflets, Ser. 18, No. 4 (1930); used by permission.] evolution, concept that embodies the belief that ex...

MacArthur, Douglas

(Encyclopedia)MacArthur, Douglas, 1880–1964, American general, b. Little Rock, Ark.; son of Arthur MacArthur. At the beginning (1950) of the Korean War he was appointed commander of UN military forces in South ...