The pattern generated by the rule 30 cellular automaton evolving from a single black cell. (See page 29 etc.; see also Basic Images.)

A continuous generalization of the rule 150 cellular automaton. (See page 1093.)

The base-2 digit sequences of successive powers of 3/2. (See page 121; see also page 903.)

Patterns on various mollusc shells. (See page 423; see also page 1011.) Music volute, banded marble cone Bough cone, textile cone.

Detail of a specially-constructed universal cellular automaton. (See page 649.)

The Riemann zeta function on the critical line. (See page 148; see also page 918.)

Examples of patterns generated by fluid motion. (See page 377.) Milk splash, supersonic sphere. Nuclear fireball, convection plumes.

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