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roulette

(Encyclopedia)roulette ro͞olĕtˈ [key], game of chance popular in gambling casinos, and in a simplified form elsewhere. In gambling houses the roulette wheel is set in an oblong table. Its outer area is marked of...

Compton effect

(Encyclopedia)Compton effect [for A. H. Compton], increase in the wavelengths of X rays and gamma rays when they collide with and are scattered from loosely bound electrons in matter. This effect provides strong ve...

Archimedes' principle

(Encyclopedia)Archimedes' principle, principle that states that a body immersed in a fluid is buoyed up by a force equal to the weight of the displaced fluid. The principle applies to both floating and submerged bo...

Pepys, Samuel

(Encyclopedia)Pepys, Samuel pēps [key], 1633–1703, English public official, and celebrated diarist, b. London, grad. Magdalene College, Cambridge, 1653. In 1656 he entered the service of a relative, Sir Edward M...

Vico, Giovanni Battista

(Encyclopedia)Vico, Giovanni Battista jōvänˈnē bät-tēˈstä vēˈkō [key], 1668–1744, Italian philosopher and historian, also known as Giambattista Vico, b. Naples. In 1699, Vico became professor of rhetor...

electroscope

(Encyclopedia)electroscope, device for detecting electric charge invented by Nollet in 1748. There are various types of electroscopes. The most common has a cylindrical metal case closed by two round, flat, glass f...

Schopenhauer, Arthur

(Encyclopedia)Schopenhauer, Arthur ärˈto͝or shōˈpənhouˌər [key], 1788–1860, German philosopher, b. Danzig (now Gdansk). The bias of his own temperament and experience was germinal to the development of hi...

Peter, epistles of the New Testament

(Encyclopedia)Peter, two letters of the New Testament, classified among the Catholic (or General) Epistles. Each opens with a statement of authorship by the apostle St. Peter. First Peter, the longer book, is addre...

parole

(Encyclopedia)parole pərōlˈ [key], in criminal law, release from prison of a convict before the expiration of his term on condition that his activities be restricted and that he report regularly to an officer. T...

Rich, Adrienne

(Encyclopedia)Rich, Adrienne, 1929–2012, American poet, b. Baltimore, grad. Radcliffe, 1951. From the 1970s her exquisitely wrought verse became looser and more personal as her works increasingly reflected femini...