Technical Notes is a long-term knowledge archive for people who build and operate real systems. It focuses not only on what works, but on why it works, how to verify it, and where it stops working.
Why write
Useful technical knowledge keeps its context: the problem, constraints, alternatives, evidence, and remaining uncertainty. New practice should refine old conclusions, and new evidence should be allowed to change them.
Areas of focus
Advanced manufacturing
Understanding the coupling between energy, materials, equipment, and control so process parameters can be explained and verified.
AI engineering
Following how models enter real research and development workflows: clear task boundaries, feedback loops, verification cost, and reliable delivery.
Systems design
Exploring reliability, observability, fault isolation, and safe change under real constraints.
Technical writing
Turning scattered sources into searchable judgments that can be reviewed, connected, and reused.
How to use this site
Start with all articles or topics. Use search for a specific concept, the archive for a time-based view, and RSS for updates without recommendation algorithms.