Read in order
317 posts across 7 long-form series, each written to be read start to finish.
Series · Astronomy
Every constellation recognised by the IAU — how to find it, what is in it, and the story behind the name.
Series · Card games
The rules, the scoring and the strategy of Callbreak — checked against Pagat and against a working rules engine, not copied from other blogs.
Series · Mobile app signing and push notifications
Certificates, keys, profiles and push notifications on iOS and Android, explained plainly and checked against Apple's and Google's own documentation.
Series · Morse code
Reading, writing and hearing Morse code — checked against the ITU standard and its actual timing, not against the myths.
Series · Nepal
The likhit exam, the trial, the new province portals and everything after — checked against DOTM, not copied from other blogs.
Series · Programming
A 52-part course through data structures and algorithms, every one implemented and explained in Python.
Series · Puzzles
How Sudoku actually works — the rules, every solving technique in order of difficulty, and what to do when the grid stops moving.