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Chongqing

(Encyclopedia)Chongqing cho͞ongˈkĭngˈ [key], city and independent municipality, 592 sq mi (1,534 sq km), in SE ...

Anhui

(Encyclopedia)Anhui or Anhwei both: änˈhwāˈ [key], province, c.55,000 sq mi (142,450 sq km), E central China. Hefei is the capital. Anhui may be divided into two climatic areas. The north...

futurism

(Encyclopedia)futurism, Italian school of painting, sculpture, and literature that flourished from 1909, when Filippo Tommaso Marinetti's first manifesto of futurism appeared, until the end of World War I. Carlo Ca...

Pascal, Blaise

(Encyclopedia)Pascal, Blaise blĕz päskälˈ [key], 1623–62, French scientist and religious philosopher. Studying under the direction of his father, a civil servant, Pascal showed great precocity, especially in ...

leather

(Encyclopedia)leather, skin or hide of animals, cured by tanning to prevent decay and to impart flexibility and toughness. Prehistoric and primitive peoples preserved pelts with grease and smoke and used them chief...

ultrasonics

(Encyclopedia)ultrasonics, study and application of the energy of sound waves vibrating at frequencies greater than 20,000 cycles per second, i.e., beyond the range of human hearing. The application of sound energy...

Wright brothers

(Encyclopedia)Wright brothers, American airplane inventors and aviation pioneers. Orville Wright 1871–1948, was born in Dayton, Ohio, and Wilbur Wright, 1867–1912, near New Castle, Ind. Their interest in aviati...

Brazzaville

(Encyclopedia)Brazzaville brăzˈəvĭl, Fr. bräzävēlˈ [key], city (1984 pop. 585,812), capital of the Republic of the Congo, on Pool Malebo of the Congo River. It is the nation's largest city and its administr...

Daley, Richard Joseph

(Encyclopedia)Daley, Richard Joseph, 1902–76, U.S. political leader, b. Chicago. Admitted to the bar in 1933, he entered politics and served as a Democrat in the state assembly (1936–38) and the state senate (1...

gear

(Encyclopedia)CE5 Types of gears gear, toothed wheel, cylinder, or cone that transmits motion from one part of a machine to another; it is one of the oldest means of transmitting motion. When the teeth of two g...