(Encyclopedia) cube, in geometry, regular solid bounded by six equal squares. All adjacent faces of a cube are perpendicular to each other; any one face of a cube may be its base. The dimensions of a…
(Encyclopedia) Kagame, PaulKagame, Paulkägäˈmə [key], 1957–, Rwandan political leader. Kagame was born into a Tutsi family that fled (1960) ethnic violence in Rwanda. Raised in Uganda, he became a…
(Encyclopedia) Sorel, GeorgesSorel, Georgeszhôrzh [key]Sorel, Georges sôrĕlˈ [key], 1847–1922, French social philosopher. An engineer before he devoted himself to writing, Sorel found in the…
(Encyclopedia) Agrippina the Younger, d. a.d. 59, Roman matron; daughter of Germanicus Caesar and Agrippina the Elder. By her first husband, Cneius Domitius Ahenobarbus, she was the mother of Nero.…
(Encyclopedia) Yang Kuei-feiYang Kuei-feiyäng gwā-fā [key], 719–56, concubine of the T'ang emperor Hsüan-tsung. The most famous beauty in Chinese history, in legend she is said to have captivated the…
(Encyclopedia) Adolf of NassauAdolf of Nassaunäˈsou [key], d. 1298, duke of Luxembourg, German king (1292–98). He owed his election to the ecclesiastical electors, who, fearing the growing power and…
(Encyclopedia) Aetolian League, confederation centering in the cities of Aetolia. It was formed in the 4th cent. b.c. and began to gain power in the 3d cent. in opposing the Achaean League and the…
(Encyclopedia) chain, flexible series of connected links used in various ways, especially for the transmission of motive power, for hoisting (see pulley), and for securing or fastening. Commonly,…
(Encyclopedia) Pufendorf, Samuel, Baron vonPufendorf, Samuel, Baron vonzäˈm&oomacr;ĕl bärônˈ fən p&oomacr;ˈfəndôrf [key], 1632–94, German jurist and historian. He is especially noted as an…
(Encyclopedia) windmill, apparatus that harnesses wind power for a variety of uses, e.g., pumping water, grinding corn, driving small sawmills, and driving electrical generators. Windmills were…
