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The study of deterministic systems so sensitive to initial conditions that they behave unpredictably over time. In physics, it's the butterfly effect—the recognition that tiny differences in starting conditions can produce wildly divergent outcomes, making long-term prediction impossible even when the underlying rules are deterministic. In social science, chaos mechanics is how small events—a tweet, a protest, a policy change, a rumor—can cascade into revolutions, market crashes, or cultural shifts through nonlinear feedback loops. It's the math behind the observation that history turns on the smallest of hinges.
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