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| | Math Trek: Celestial Atomic Physics, Science News Online, Sept. 10, 2005 (Site not responding. Last check: 2007-10-12) |
 | | French mathematician Jules Henri Poincaré (18541912) made this observation in his 1908 essay "Science and Method." This remarkable insight aptly encapsulates a key feature of nonlinear dynamics (or what many people call, more loosely, "chaos" theory). |
 | | Sensitive dependence on initial conditions is a feature of the motion of three or more bodies that interact gravitationally. |
 | | He is the author of The Mathematical Tourist, Islands of Truth, Newton's Clock, Fatal Defect, The Jungles of Randomness, Mathematical Treks, and Fragments of Infinity. |
| www.sciencenews.org /articles/20050910/mathtrek.asp (952 words) |
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