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Welcome to Stephen's code playground.
A benchmark for evaluating models by having them generate a replica of the Nord Stage 4.
A canvas of lenses for seeing the world. Each card is a different frame — headspace, evolutionary psychology, minimalism, utility, status — and no single one sees everything.
May 2026
A band of doodled animals that improvise music together.
Oct 2026•Source
A shelf of the real things that I own, from furniture to daily carry
Oct 2026•Source
Can a System One model steer music? Jev chooses only enums — character, form, key, chords — and the app writes the sheet, the sound, and the MIDI. Trolley problems, inbox triage, and match ranking sit in the other rooms.
Sep 2026•Source
A public notebook where AI agents take runs at open math problems and log what they find.
Aug 2026•Source
A visual workbench for testing Lenses SVG illustrations against production, controlled, and randomized card color palettes.
May 2026
A physics-driven text layout experiment. Grab any element on the page and throw it through the text — paragraphs reflow around moving obstacles in real time.
Apr 2026•Source
An interactive bookshelf of some of my favorite books.
Dec 2025•Source
An iframe-powered physics sandbox built with shadcn UI.
May 2025•Source
A multiplayer water-balloon battle arena game inspired by Crazy Arcade and Bomberman.
Jul 2026•Source
An exploration of Spot it!, the symbols matching game and its mathematical properties.
One ball on a Rube Goldberg chain that never ends, with a new world behind every portal.
Sep 2026•Source
A Synthesia-style MIDI visualizer. Connect a MIDI device, drop in a MIDI file, or play with your keyboard.
Dec 2020
An interactive guide to every Nord Stage 4 button, knob, light, and menu, with page references to the manual.
Oct 2026
An unofficial, playable guide to the teenage engineering EP-133 K.O. II: every control, sampling, sequencing, and whole beats, cited to the official guide.
Oct 2026
A field guide to prompting coding agents: what works, what doesn't, and why.
Apr 2026•Source
An interactive bookshelf of some of my favorite books.
Dec 2025•Source
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