Lorenz Attractor

sensitive dependence — the butterfly traced as one continuous line

Plate IV
Sigma σ10.0
Rho ρ28.0
Beta β2.67
Trail500

Two states a millionth apart are traced as one ink line and one vermilion; deterministic, yet they diverge without bound. After E. N. Lorenz · “Deterministic Nonperiodic Flow” (1963)