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Schwartz, Melvin

(Encyclopedia) Schwartz, Melvin, 1932–2006 American physicist, b. New York City, Ph.D. Columbia, 1958. He was on the faculty at Columbia (1958–66, 1991–2000, emeritus 2000–2006) and Stanford (1966–83…

Aco, Michel

(Encyclopedia) Aco or Accault, MichelAco or Accault, Michelboth: mēshĕlˈ äkōˈ [key], fl. 1680–1702, French explorer. He became La Salle's lieutenant, being favored by that explorer because of his…

Ursins, Marie Anne de la Trémoille, princesse des

(Encyclopedia) Ursins, Marie Anne de la Trémoille, princesse desUrsins, Marie Anne de la Trémoille, princesse desmärēˈ än də lä trāmwäˈyə prăNsĕsˈ dāzürsănˈ [key], 1642–1722, French noblewoman and…

Von Neumann, John

(Encyclopedia) Von Neumann, JohnVon Neumann, Johnnoiˈmän [key], 1903–57, American mathematician, b. Hungary, Ph.D. Univ. of Budapest, 1926. He came to the United States in 1930 and was naturalized in…

Emmanuel Philibert

(Encyclopedia) Emmanuel PhilibertEmmanuel Philibertāmänˈwĕl fēlēbĕrˈ [key], 1528–80, duke of Savoy (1553–80), called Ironhead. He succeeded his father, Charles III, who had been dispossessed of his…

Young, Thomas

(Encyclopedia) Young, Thomas, 1773–1829, English physicist, physician, and Egyptologist. He established (1799) a medical practice in London and was elected (1811) to the staff of St. George's…

welding

(Encyclopedia) welding, process for joining separate pieces of metal in a continuous metallic bond. Cold-pressure welding is accomplished by the application of high pressure at room temperature;…

Einstein, Albert

(Encyclopedia) Einstein, AlbertEinstein, Albertīnˈstīn [key], 1879–1955, American theoretical physicist, known for the formulation of the relativity theory, b. Ulm, Germany. He is recognized as one…

solution

(Encyclopedia) CE5 Solubility curves solution, in chemistry, homogeneous mixture of two or more substances. The dissolving medium is called the solvent, and the dissolved material is called the…

conduction

(Encyclopedia) conduction, transfer of heat or electricity through a substance, resulting from a difference in temperature between different parts of the substance, in the case of heat, or from a…