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screw

(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…

Pears, Sir Peter

(Encyclopedia) Pears, Sir Peter, 1910–86, English tenor. Pears studied at the Royal College of Music and became a member of the Sadler's Wells Opera and the English Opera Group. In 1948 he made his…

endless screw

(Encyclopedia) endless screw, screw fixed so that it cannot move longitudinally as it rotates. Thus, instead of the usual action in which a screw advances itself through a medium as it turns, the…

jack, mechanical device

(Encyclopedia) jack, mechanical device used to multiply a relatively small applied force so that it can lift and support heavy loads, or sometimes, move massive objects into a desired position. The…

Archimedes' screw

(Encyclopedia) Archimedes' screw, a simple mechanical device believed to have been invented by Archimedes in the 3d cent. b.c. It consists of a cylinder inside of which a continuous screw, extending…

Screwed

Director/Writers:Scott Alexander and Larry KaraszewskiUniversal; PG-13; 90 minutesRelease:5/00Cast:Norm MacDonald, Danny DeVito, Dave Chappelle Scott Alexander and Larry Karaszewski didn't…

Britten, Benjamin, Baron Britten of Aldeburgh

(Encyclopedia) Britten, Benjamin, Baron Britten of Aldeburgh, 1913–76, English composer. Britten's most characteristic expression is found in his vocal music, much of which was written for his…

propeller

(Encyclopedia) propeller, device consisting of a hub with one or more blades that propels a craft to which it is attached by rotating its blades in a fluid such as air or water. In the latter part of…

jackscrew

(Encyclopedia) jackscrew: see screw.