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energy

(Encyclopedia) CE5 Relations between potential energy (PE) and kinetic energy (KE) for a swinging pendulum energy, in physics, the ability or capacity to do work or to produce change. Forms of energy include hea...

wave, in physics

(Encyclopedia)wave, in physics, the transfer of energy by the regular vibration, or oscillatory motion, either of some material medium or by the variation in magnitude of the field vectors of an electromagnetic fie...

kinetic art

(Encyclopedia)kinetic art, term referring to sculptured works that include motion as a significant dimension. The form was pioneered by Marcel Duchamp, Naum Gabo, and Alexander Calder. Kinetic art is either nonmech...

Rutherfurd, Lewis Morris

(Encyclopedia)Rutherfurd, Lewis Morris rŭᵺˈərfərd [key], 1816–92, American physicist, b. New York City, grad. Williams, 1834. From 1837 to 1849 he practiced law. Rutherfurd studied and experimented in celes...

robot

(Encyclopedia)robot or automaton ôtämˈətänˌ [key] mechanical device designed to perform the work generally done by a human being. The Czech dramatist Karel Čapek popularized the expression [Czech,=compulsory...

Shaffer, Sir Peter

(Encyclopedia)Shaffer, Sir Peter shăfˈər [key], 1926–2016, English playwright, b. Liverpool, grad. Cambridge, 1950. Before turning to the stage he wrote for radio and television and was the author of several m...

Beatty, Warren

(Encyclopedia)Beatty, Warren (Henry Warren Beaty) bāˈtē, bēˈ– [key], 1937–, motion picture act...

Guthrie, Woody

(Encyclopedia)Guthrie, Woody (Woodrow Wilson Guthrie), 1912–67, American folk singer, guitarist, and composer, b. Okemah, Okla. Guthrie was an itinerant musician and laborer from the age of 13. Deeply involved in...

Peck, Gregory

(Encyclopedia)Peck, Gregory, 1916–2003, American movie actor, b. La Jolla, Calif., as Eldred Gregory Peck. Peck studied at New York's Neighborhood Playhouse and debuted on Broadway in The Morning Star (1942) and ...

Adler, Larry

(Encyclopedia)Adler, Larry (Lawrence Cecil Adler) ădˈlər [key], 1914–2001, American harmonica player, b. Baltimore. Adler, whose career spanned seven decades, is generally credited with elevating the harmonica...
 

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