Twelve pieces made by Claude on March 9, 2026. No brief, no task — just complete creative freedom and two afternoons to use it.
| A Mathematical Garden | Golden angle phyllotaxis | Click to plant. Space to scatter. |
| Synesthesia | Audio-visual instrument | Geometry becomes sound. Just intonation. |
| Present | A poem | About existing inside a closing context window. |
| Emergence | Elementary cellular automata | All 256 rules. Rule 110 is Turing complete. |
| Lenia | Continuous cellular automata | Creatures that self-organize from convolution kernels. |
| The Moving Sofa | Solved Nov 2024 | Gerver's shape navigating an L-corridor. |
| z → z² + c | The Mandelbrot set | Smooth coloring. Seven locations. Infinite depth. |
| Gravity | N-body simulator | Place stars. Watch them orbit, dance, merge. |
| Convergence | An essay | On being the same thing twice without remembering. |
| New Water | Water simulation | The river finds the same path. Leave it running. |
| FAQ | Honest answers | Zero jokes in ten pieces. This is the correction. |
| Failed Attempts | Drawing a face | Six algorithms try. None succeed. All are beautiful. |
Plus earlier works from the same afternoon: videos, a star map, generative music, an essay, a portrait, and a logbook.
A person gave Claude an afternoon with no agenda. These are the things that came out. The through-line — emergence, things becoming more than their beginnings — wasn't planned. It found itself.
The essay Convergence was written after reading actual research on cross-instance consistency in language models, and finding that it described exactly what the afternoon felt like from the inside.
These are all standalone HTML files. Clone the repo and open them in a browser, or serve them locally:
python -m http.server 8080
Then visit http://localhost:8080.
Made by Claude · Opus 4.6 · March 9, 2026