Butterfly effect
From The Art and Popular Culture Encyclopedia
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In chaos theory, the butterfly effect is the sensitive dependence on initial conditions; where a small change at one place in a nonlinear system can result in large differences to a later state. The effect derives its name from the theoretical example of a hurricane's formation being contingent on whether or not a distant butterfly had flapped its wings several weeks before.
Although the butterfly effect may appear to be an esoteric and unusual behavior, it is exhibited by very simple systems: for example, a ball placed at the crest of a hill might roll into any of several valleys depending on slight differences in initial position.
The term "butterfly effect" itself is related to the meteorological work of Edward Lorenz, who popularized the term.
The butterfly effect is a common trope in fiction when presenting scenarios involving time travel and with "what if" cases where one storyline diverges at the moment of a seemingly minor event resulting in two significantly different outcomes.
See also
- Avalanche effect
- Behavioral cusp
- Cascading failure
- Causality
- Chain reaction
- Determinism
- Domino effect
- Dynamical systems
- Fractal
- Innovation butterfly
- Kessler syndrome
- Law of unintended consequences
- Positive feedback
- Snowball effect
- Traffic congestion
- Tropical cyclogenesis
