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Weiss, Rainer

(Encyclopedia) Weiss, Rainer, 1932–, American physicist, b. Berlin, Germany, Ph.D. Massachusetts Institute of Technology, 1962. Weiss has been on the faculty of the Massachusetts Institute of…

revolutions of 1848

(Encyclopedia) revolutions of 1848, in European history. The February Revolution in France gave impetus to a series of revolutionary explosions in Western and Central Europe. However the new French…

Henry the Lion

(Encyclopedia) Henry the Lion, 1129–95, duke of Saxony (1142–80) and of Bavaria (1156–80); son of Henry the Proud. His father died (1139) while engaged in a war to regain his duchies, and it was not…

Holy Roman Emperors (table)

(Encyclopedia) HOLY ROMAN EMPERORS(including dates of reign) Saxon dynasty Otto I, 936–73 Otto II, 973–83 Otto III, 983–1002 Henry II, 1002–24 Salian or Franconian dynasty Conrad II,…

The Branches of Science

The Physical Sciences Physics: The study of matter and energy and the interactions between them. Physicists study such subjects as gravity, light, and time. Albert Einstein, a famous physicist,…

2006 Olympics: Bobsleigh

Offspring of the toboggan by John Gettings and Christine Frantz Related Links 2006 Winter Olympics2006 Bobsleigh Medal StandingsBobsleigh Through the YearsEncyclopedia: Bobsledding…