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Adrenaline: (isolation of) John Jacob Abel, U.S., 1897. Aerosol can: Erik Rotheim, Norway, 1926. Air brake: George Westinghouse, U.S., 1868. Air conditioning: Willis Carrier, U.S., 1911.…
(Encyclopedia) mountain climbing, the practice of climbing to elevated points for sport, pleasure, or research. Also called mountaineering, it is practiced throughout the world.
Many mountain…
(Encyclopedia) Henry VI, 1421–71, king of England (1422–61, 1470–71).
Henry was a mild, honest, and pious man, a patron of literature and the arts and the founder of Eton College (1440). He was,…
(Encyclopedia) Edward III, 1312–77, king of England (1327–77), son of Edward II and Isabella.
Edward's long reign saw many constitutional developments. Most important of these was the emergence of…
(Encyclopedia) Plymouth Colony, settlement made by the Pilgrims on the coast of Massachusetts in 1620.
After several years the colonists could no longer be restrained from settling on the more…
(Encyclopedia) Penal Laws, in English and Irish history, term generally applied to the body of discriminatory and oppressive legislation directed chiefly against Roman Catholics but also against…
(Encyclopedia) Roses, Wars of the, traditional name given to the intermittent struggle (1455–85) for the throne of England between the noble houses of York (whose badge was a white rose) and…
(Encyclopedia) acting, the representation of a usually fictional character on stage or in films. At its highest levels of accomplishment acting involves the employment of technique and/or…
