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  "body": "\n## Summary\n\nA strange attractor is an [[attractor|7FWX24X5MW]] with a fractal structure, unlike a point, a closed curve or a smooth surface.\nThe term was introduced by Ruelle and Takens in their 1971 work on turbulence.\nStrange attractors usually carry chaotic dynamics: nearby orbits on the attractor separate exponentially fast, which is the [[butterfly effect|G0ZT1SDQGS]].\nThe [[Lorenz system|WYRC41CQN9]] and the Hénon map are the classical examples.\n\n## Explanations\n\n### L1 human\n\nA strange attractor is the shape that the long-time motion of a chaotic system traces out.\nOrbits are pulled onto it, yet on it they never settle into a rest point or a repeating loop.\nThe set is built by stretching and folding again and again, which gives it layers inside layers, like a puff pastry.\nIts dimension, measured as for fractals, is often not a whole number: the Lorenz attractor is a little thicker than a surface but much thinner than a solid.\n",
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