The double pendulum has no randomness at all — just Newton's laws. Yet an offset of 0,001 rad at release gives a totally different path: deterministic yet unpredictable.
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Faint trail = the lower arm's track (chaotic orbit) · drag a bob to re-drop from a new position · try \"3 copies · Δθ=0.001\"
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Angle over time — 3 copies off by 0.001 (overlap then split)copy 1copy 2copy 3