articles and knowledge

A full review of Kawaii Christmas Stickers: over 100 cute Christmas stickers in 8 themed packs starring Rudy the reindeer, plus a Christmas keyboard, Home and Lock Screen widgets and a live Christmas countdown. Free to download on the App Store.

A 104-page journey into the Minotaur myth — Pasiphaë and the white bull, Daedalus's Labyrinth, the creature behind the horns and its life in pop culture. Here's what's inside, who it's for, and where to read it on Google Play Books.

An engineering guide from the Electric Vehicle & Battery Engineering Series covering field-oriented control, space vector PWM and MTPA, the algorithms behind every high-performance EV drive. On Kindle and in paperback.

A review of ChatStick's social studies practice app for Thai lower-secondary students: 3,000 questions (1,000 per grade) across all 5 core-curriculum strands, detailed explanations, a mistake notebook, Smart Review and timed mock exams. Works offline. Free on the App Store.

Learn to solve the Rubik's Cube on Android with CubeMaster 3D: 10 step-by-step lessons on an interactive 3D cube, an auto solver for your own scramble, 30+ CFOP, OLL and PLL algorithms and an Ao5/Ao12 timer. Works offline. Free on Google Play.

A review of the English M.1–3 practice app from ChatStick: 3,000 questions across three grades, grammar, vocabulary, reading and listening, detailed Thai explanations, a mistake notebook, spaced-repetition review and timed mock tests. Free on the App Store.

A 92-page engineering playbook for running LLM applications in production — observability with Langfuse and Arize, evaluation with DeepEval and RAGAS, RAG architecture, cost optimisation and safe rollouts. Here's what's inside, who it's for, and where to read it on Google Play Books.

A readable engineering history from ChatVariety Team that traces the chip from the first transistor to today's AI accelerators and the fragile global supply chain behind them. On Kindle and in paperback.