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Elephant Butte Dam

(Encyclopedia)Elephant Butte Dam, main unit of the Rio Grande project of the U.S. Bureau of Reclamation on the Rio Grande, SW N.Mex.; completed 1916. The dam, with its large reservoir, is used for flood control, hy...

Hassan

(Encyclopedia)Hassan häsänˈ [key], d. 1894, sultan of Morocco (1873–94). He brought the weak and disorganized country firmly under his control and held in check attempts by European powers at domination. He pl...

Boise, river, United States

(Encyclopedia)Boise, river, c.160 mi (260 km) long, rising in SW Idaho and flowing west to join the Snake River at the Oregon line. In 1811 the Boise River, originally called Reed's River, was explored by an expedi...

motor, electric

(Encyclopedia)CE5 Motor: In the AC motor, current fed to the conducting loop of wire causes it to rotate in the magnetic field, thus turning the shaft on which the loop is mounted. In the DC motor, the direction...

Obama, Barack

(Encyclopedia)Obama, Barack (Barack Hussein Obama 2d), bəräkˈ ho͞osānˈ ōbäˈmə [key], 1961–, 44th president of the United States (2009–17), b. Honolulu, grad. Columbia (B.A. 1983), Harvard Law School ...

Hungry Horse Dam

(Encyclopedia)Hungry Horse Dam, 564 ft (172 m) high and 2,115 ft (645 m) long, NW Mont. on the southern fork of the Flathead River. A major unit in the development program for the Columbia River basin, it was built...

Kadapa

(Encyclopedia)Kadapa, city (1991 pop. 121,422), S Andhra Pradesh state, S central India. It is a district administrative center and a market for peanuts, cotton, and melons. Paint and varnish are manufactured, and ...

Chang Tso-lin

(Encyclopedia)Chang Tso-lin jäng tsōˈ-lĭnˈ [key], 1873–1928, Chinese general. Chang was of humble birth. As the leader of a unit of Manchurian militia he assisted (1904–5) the Japanese in the Russo-Japanes...

governor, device

(Encyclopedia)governor, automatic device used to regulate and control such variables as speed or pressure in the functioning of an engine or other machine. A governor may be an electric, hydraulic, or mechanical de...

Feodosiya

(Encyclopedia)Feodosiya fāˌədôˈsēə [key], city, E Crimea. From 1954 part of Ukraine (then the Ukrainian SSR), ...