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Hollywood

(Encyclopedia)Hollywood. 1 Community (2020 population 35,757) within the city of Los Angeles, S Calif., on the slopes of the Santa Monica Mts.; inc. 1903, ...

Mammoth Cave National Park

(Encyclopedia)Mammoth Cave National Park, 52,830 acres (21,396 hectares), central Kentucky, authorized 1926, est. 1941. Located in a hilly, forested region, it offers numerous outdoor activities. It is the site of ...

Goodall, Jane

(Encyclopedia)Goodall, Jane go͝odˈôl [key], 1934–, English ethologist and primatologist. After working with Louis Leakey but without any formal scientific training, she established (1960) a research camp in th...

wind tunnel

(Encyclopedia)wind tunnel, apparatus for studying the interaction between a solid body and an airstream. A wind tunnel simulates the conditions of an aircraft in flight by causing a high-speed stream of air to flow...

Myrdal, Gunnar

(Encyclopedia)Myrdal, Gunnar mĭrˈdäl, Swed. mürˈdäl [key], 1898–1987, Swedish economist, sociologist, and public official; husband of Alva Myrdal. A graduate (1927) of the Univ. of Stockholm, he became lec...

photon

(Encyclopedia)photon fōˈtŏn [key], the particle composing light and other forms of electromagnetic radiation, sometimes called light quantum. The photon has no charge and no mass. About the beginning of the 20th...

Gobi

(Encyclopedia)Gobi gōˈbē [key], Mandarin Yintai shamo, great stony desert of N central Asia, c.500,000 sq mi (1,295,000 sq km), extending c.1,000 mi (1,610 km) from east to west across SE Mongolia and N China fr...

Sutlej

(Encyclopedia)Sutlej sŭtˈlĕj [key], longest of the five rivers of the Punjab, c.900 mi (1,450 km) long, rising in the Kailas Range, SW Tibet region of China, and flowing generally west, meandering through the Hi...

lake, body of water

(Encyclopedia)lake, inland body of standing water occupying a hollow in the earth's surface. The study of lakes and other freshwater basins is known as limnology. Lakes are of particular importance since they act a...

O'Brien, Conor Cruise

(Encyclopedia)O'Brien, Conor Cruise (Donal Conor Cruise O'Brien), 1917–2008, Irish author, diplomat, and politician. Educated at Trinity College, Dublin, he entered the department of external affairs of Ireland i...