Order → "Complexity" → Chaos where "complexity" referred to the kind of eternally surprising dynamical behavior shown by the Class IV automata. "It immediately brought to mind some kind of phase transition," he says. Suppose you thought of the parameter lambda as being like temperature. Then the Class I and II rules that you found at low values of lambda would correspond to a solid like ice, where the water molecules are rigidly locked into a crystal lattice. The Class III rules that you found at high values of lambda would correspond to a vapor like steam, where the molecules are flying
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