1963
Human  


Chaos is identified in a dynamic system.

Chaos is identified in a dynamic system. The American meteorologist Edward Lorenz notices that small changes in parameters entered into a simple computer model of the atmosphere strongly affect the predicted atmospheric behavior, in seemingly random ways. This is deterministic chaos, which Lorenz calls the "butterfly effect": even the minute flapping of a butterfly's wings can, in time, have large meteorological consequences.
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