Unintended computations, sideways thinking, rigorous craft.
I love hunting for beauty and accidental logic where neither belongs. I turn printers into game consoles, specs into bugs, and Swiss mountains into GPX routes. Selected pieces:
Drawing - Drawing with Computers
🗺️ Cartopolis (July 2026)
OpenStreetMap compiled into static binary packs that a browser rasterizes in 1999-style GIFs. No server, no post-processing. The aesthetic emerges from enforced constraints.
Computation - Turing machines where nobody meant to create one
🦄 Unicode's Transliteration Rules Are Turing-Complete (July 2026)
Just three lines of Unicode transliteration rules (UTS #35) can compute Collatz on stock ICU, which ships with every major OS. Featuring Rule 110 and a prime number generator.
PostScript - A programming language disguised as a document format
🖨️ Programming in PostScript (2025)
This printer language is a full programming environment. Enough to run Tetris and Sokoban, or even chess directly on the printer.
Security - Specifications, implementations, and wrong assumptions
💣 Parsing JSON is a Minefield (2016–2018)
The spec fits on a business card, yet no two parsers agree on what valid JSON is. Widely cited since 2016.
Contact: nicolas at seriot dot ch.