Hecht gives you the pew. Physics won’t give you the blade. ⚡

Intro
Engineering Physics — lessons built from the physics shelf of the AI-tutor corpus (Hecht’s Optics, nuclear-medicine physics, and whatever we shelve next). Each lesson starts from a fun question and ends at the honest boundary between what the textbooks teach and what they don’t.

The Lessons
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⚡ Lesson 1 — Pew Pew Pew — the lightsaber problem
  • Can we build a lightsaber from our textbooks? Half of one. Hecht Chapter 13 teaches the beam (stimulated emission, population inversion, the ruby laser). Nobody teaches the blade — lasers don’t terminate, and the beam-ending problem has no physics.
  • The honest pivot: we can build Iron Man’s repulsor, not a Jedi blade. The missing textbook is plasma physics — the “bottle” half.
  • Laser physics verified against the corpus; the gap acknowledged, not hand-waved.

— 📄 the lesson

🦅 Lesson 2 — Red Wing Simulation — concept to production in a weekend
  • Napkin to pitch in one weekend. 80/20, Startup Weekend style — six rungs, concept to production.
  • The physics forced the pivot. Fixed wings lift ~2.5 kg, so the firefighter becomes a VTOL.
  • The law moved a number. 25 kg hits the weight limit, so it carries 9 L, not 10.

— 📄 Engineering · 📄 Business · 📄 Law