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Philippe

(Encyclopedia)Philippe, 1960–, king of the Belgians (2013–). Eldest son of Albert II, he was educated at the Belgian Royal Military Academy, Oxford, and Stanford. Philippe married Mathilde d'Udekem d'Acoz in 19...

statistical mechanics

(Encyclopedia)statistical mechanics, quantitative study of systems consisting of a large number of interacting elements, such as the atoms or molecules of a solid, liquid, or gas, or the individual quanta of light ...

Isaac, Heinrich

(Encyclopedia)Isaac, Heinrich hīnˈrĭkh ēˈzäk [key], c.1450–1517, Flemish composer. Isaac, a prolific and versatile composer, traveled widely in Europe, serving at the courts of Lorenzo de' Medici and Empero...

Fermi-Dirac statistics

(Encyclopedia)Fermi-Dirac statistics, class of statistics that applies to particles called fermions. Fermions have half-integral values of the quantum mechanical property called spin and are “antisocial” in the...

Baker, Sir Samuel White

(Encyclopedia)Baker, Sir Samuel White, 1821–93, English explorer in Africa. He explored the Nile tributaries in Ethiopia in 1861–62. Going up the Nile from Cairo, he reached Gondokoro in 1863. He continued his ...

Tourcoing

(Encyclopedia)Tourcoing to͞orkwăNˈ [key], city (1990 pop. 94,424), Nord dept., N France, in French Flanders. With the adjacent city of Roubaix, it forms one of the most important textile centers of France. In 14...

Rudolf I

(Encyclopedia)Rudolf I or Rudolf of Hapsburg ro͞oˈdŏlf [key], 1218–91, German king (1273–91), first king of the Hapsburg dynasty. Rudolf's election as king ended the interregnum (1250–73), during which tim...

Gloucester, Henry William Frederick Albert, duke of

(Encyclopedia)Gloucester, Henry William Frederick Albert, duke of glŏsˈstər, glôˈstər [key], 1900–1974, British prince; third son of George V, brother of Edward VIII and George VI, and uncle of Elizabeth II...

Lemaître, Georges, Abbé

(Encyclopedia)Lemaître, Georges, Abbé ləmĕtˈrə [key], 1894–1966, Belgian astrophysicist, mathematician, and Catholic priest. In 1927 he became professor of astrophysics at the Univ. of Louvain and proposed...

Rotblat, Sir Joseph

(Encyclopedia)Rotblat, Sir Joseph, 1908–2005, British physicist and anti-nuclear weapons activist, b. Warsaw, Poland; grad. Free Univ. of Poland (M.A., 1932), Univ. of Warsaw (Ph.D., 1938), Univ. of Liverpool (Ph...