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Stirling engine
(Encyclopedia) Stirling engine, an external combustion reciprocating engine having an enclosed working fluid that is alternately compressed and expanded to operate a piston, thus converting heat from…hydrogen fluoride
(Encyclopedia) hydrogen fluoride, chemical compound, HF, a colorless, fuming liquid or colorless gas that boils at 19.54℃. It is miscible with water and is soluble in benzene, toluene, and…chaos theory
(Encyclopedia) chaos theory, in mathematics, physics, and other fields, a set of ideas that attempts to reveal structure in aperiodic, unpredictable dynamic systems such as cloud formation or the…e, in mathematics
(Encyclopedia) e, in mathematics, irrational number occurring widely in mathematics and science, approximately equal to the value 2.71828; it is the base of natural, or Naperian, logarithms. The…atomic force microscope
(Encyclopedia) atomic force microscope (AFM), device that uses a spring-mounted probe to image individual atoms on the surface of a material, first developed by Gerd Binnig in 1986. Unlike the…Carnap, Rudolf
(Encyclopedia) Carnap, RudolfCarnap, Rudolfkärˈnäp, –năp [key], 1891–1970, German-American philosopher. He taught philosophy at the Univ. of Vienna (1926–31) and at the German Univ. in Prague (1931–…spark chamber
(Encyclopedia) spark chamber, in physics, device for recording the passage of elementary particles produced by reactions in a particle accelerator. Particles pass through a stack of metal plates or…statistics
(Encyclopedia) statistics, science of collecting and classifying a group of facts according to their relative number and determining certain values that represent characteristics of the group. The…synchrotron radiation
(Encyclopedia) synchrotron radiation, in physics, electromagnetic radiation emitted by high-speed electrons spiraling along the lines of force of a magnetic field (see magnetism). Depending on the…lever
(Encyclopedia) CE5 Classes of levers: A first-class lever (A), a second-class lever (B), and a third-class lever (C) lever, simple machine consisting of a bar supported at some stationary point…Trending
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