Rule 30 explorer

Watch a local rule unfold

Choose a number of generations and draw Rule 30 from a single centered seed. Each new row applies left XOR (center OR right) to the row above it. The center readout follows the original seed position.

The demonstration supports up to 128 generations and runs in your browser. Its text output provides another way to inspect the finite sequence.

What the picture tells you

The picture shows the evolution for the selected finite interval. Changing the displayed depth changes the amount of data, not the mathematical status of the center-column problem. An irregular-looking pattern is not a proof of nonperiodicity.

The research project page explains the open question and the distinction between experiments and arguments. This demonstration is separate from a reviewed research release.