(Encyclopedia) kinetic-molecular theory of gases, physical theory that explains the behavior of gases on the basis of the following assumptions: (1) Any gas is composed of a very large number of very…
Record of the Year“Strangers in the Night,” Frank SinatraAlbum of the YearSinatra: A Man and His Music, Frank Sinatra (Reprise)Song of the Year“Michelle,” John Lennon and Paul McCartney,…
(Encyclopedia) Trump, Donald John, 1946–, 45th President of the United States (2017–21), b. New York City. Prior to his election as president in 2016,…
(Encyclopedia)
CE5
element, in chemistry, a substance that cannot be decomposed into simpler substances by chemical means. A substance such as a compound can be decomposed into its constituent…
(Encyclopedia) planetarium, optical device used to project a representation of the heavens onto a domed ceiling; the term also designates the building that houses such a device. A modern planetarium…
(Encyclopedia) Georgian architecture. It includes several trends in English architecture that were predominant during the reigns (1714–1830) of George I, George II, George III, and George IV. The…
