(Encyclopedia) screw, simple machine consisting essentially of a solid cylinder, usually of metal, around which an inclined plane winds spirally, either clockwise or counterclockwise. It is used to…
(Encyclopedia) Wolfe, Thomas Clayton, 1900–1938, American novelist, b. Asheville, N.C., grad. Univ. of North Carolina, 1920, M.A. Harvard, 1922. An important 20th-century American novelist, Wolfe…
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The 51st Annual Grammy Awards were presented at Staples Center in Los Angeles on Feb. 9, 2009; the winners are listed below. Eligible recordings were released between…