GeoPatternLabBrian's Brain
A three-state cellular automaton that erupts into shifting, spark-like waves.
On cells fire, then spend a step dying before going dark - so nothing ever stands still.
About Brian's Brain
Brian's Brain is a three-state cellular automaton (on, dying, off) closely related to the Game of Life. Its firing cells never sit still, producing restless, spark-like patterns and drifting spaceships. Adjust the grid, colors and speed, then capture a frame as a high-resolution PNG.
How to use Brian's Brain
- Press Play. Start Brian's Brain and watch the animation evolve in real time. Use Pause and Step to inspect it frame by frame.
- Adjust the rules. Use the side panel to change the parameters — the simulation responds live, so you can steer the emerging pattern.
- Explore variations. Press Randomize for a new starting point, or copy the share link to reproduce an exact result.
- Export. Pause on a frame you like and download it as a high-resolution PNG.
Frequently asked questions
What is Brian's Brain?
Brian's Brain is a three-state cellular automaton (on, dying, off) closely related to the Game of Life. Its firing cells never sit still, producing restless, spark-like patterns and drifting spaceships. Adjust the grid, colors and speed, then capture a frame as a high-resolution PNG. It runs entirely in your web browser on GeoPatternLab, free and with no sign-up.
Is Brian's Brain free to use?
Yes. Brian's Brain on GeoPatternLab is completely free, with no sign-up or download required. Create as much art as you like and export it directly from your browser.
How do I download my Brian's Brain artwork?
Use the export buttons in the toolbar to save your work as a high-resolution PNG image. Files download straight to your device.
Does Brian's Brain work on phones and tablets?
Yes. Brian's Brain is fully responsive and works with touch input on phones and tablets as well as with a mouse or trackpad on desktop.
Can I use Brian's Brain artwork commercially?
Yes. Artwork you create with Brian's Brain is yours to use for personal and commercial projects, such as wallpapers, prints, textiles, and teaching materials. See our Terms of Use for full details.
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