| Roundabout intersectionA roundabout rotary or gyratory circus is a type of road junction (or traffic calming device) at which traffic streams circularly around a central island after first yielding to the circulating traffic. In the United States it is usually called a modern r | Rock bandRock band (or rock group is a generic name to describe a group of musicians specialising in a particular form of electronically amplified music. Deriving its name from the musical style which was its immediate progenitor, rock and roll, the type of music | Roman surfaceSurfaces The Roman surface (so called because Jakob Steiner was in Rome when he thought of it) is a self-intersecting immersion of the real projective plane into three-dimensional space, with an unusually high degree of symmetry. The simplest construction |
| RoentgeniumRoentgenium (former temporary name: unununium is a chemical element in the periodic table that has the symbol Rg (formerly temporarily Uuu) and atomic number 111. It has an atomic weight of 272 making it one of the super-heavy atoms. It is a synthetic ele | Roy LichtensteinRoy Lichtenstein ( October 27, 1923 September 29, 1997) was a prominent American pop artist, whose work borrowed heavily from popular advertising and comic book styles, which he himself described as being "as artificial as possible. Using oil and Magna pa | Robert CurthoseRobert (called Curthose for his short squat appearance) (c. 1054 February 10, 1134) was a Duke of Normandy. He was the eldest son of William the Conqueror, an unsuccessful claimant to the throne of England, and a participant in the First Crusade. His reig |
| Romulus and RemusRomulus and Remus founders of Rome in Roman mythology, were the supposed sons of the god Mars and the priestess Rhea Silvia. Romulus is considered the first King of Rome. Their mother, Rhea Silvia, had been forced to become a Vestal Virgin by her uncle, A | RomaniotesThe Romaniotes are a Jewish population living in Greece. They are thought to have lived in the territory of today's Greece for more than 2000 years. Large communities were located in Thebes, Yannena, Chalkis, Corfu, Arta, Corinth and on the islands of Les | Robert Baden-Powell, 1st Baron Baden-PowellRobert Stephenson Smyth Baden-Powell, 1st Baron Baden-Powell, OM, GCMG, GCVO, KCB ( February 22, 1857 January 8, 1941) was a soldier, writer and founder of the world scouting movement. Early life Baden-Powell was born in Paddington, London in 1857. He was |