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protoplanet theory
(Encyclopedia)protoplanet theory: see solar system. ...BCS theory
(Encyclopedia)BCS theory: see superconductivity. ...information theory
(Encyclopedia)information theory or communication theory, mathematical theory formulated principally by the American scientist Claude E. Shannon to explain aspects and problems of information and communication. Whi...number theory
(Encyclopedia)number theory, branch of mathematics concerned with the properties of the integers (the numbers 0, 1, −1, 2, −2, 3, −3, …). An important area in number theory is the analysis of prime number...phlogiston theory
(Encyclopedia)phlogiston theory flōjĭsˈtŏn [key], hypothesis regarding combustion. The theory, advanced by J. J. Becher late in the 17th cent. and extended and popularized by G. E. Stahl, postulates that in all...communication theory
(Encyclopedia)communication theory: see information theory. ...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 fluctuation of biol...domino theory
(Encyclopedia)domino theory, the notion that if one country becomes Communist, other nations in the region will probably follow, like dominoes falling in a line. The analogy, first applied (1954) to Southeast Asia ...encounter theory
(Encyclopedia)encounter theory, in astronomy, see solar system. ...tidal theory
(Encyclopedia)tidal theory: see solar system.Browse by Subject
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