ENGINEERING INSTRUMENT15-MIN COREHUMAN-LED28-DAY RUN
SUBSTANTIVE EDITION
0–3 MIN · CONCEPT
What it means
Simple analogy
Real-world situation
3–6 MIN · ENGINEER Q + A
Questions an engineer asks — with answers
6–10 MIN · CODE LAB
Compare the code
10–13 MIN · DECISION
Make the call before you reveal
13–15 MIN · APPLICATION
Apply it to real software
Red flag
Better prompt to give your coding AI
Optional deep dive — continue only if you want more
Engineering notebook
Do not summarize the lesson. Record one thing you observed in a real codebase, one assumption you disproved, or one engineering question you can now answer better.