14/01/2026
Today I’m thinking about a simple question: Which “modern physics achievements” are actually in massive everyday demand—yet are still only lightly covered in algebra-based General Physics?
If we want General Physics to feel connected to the real world (and real jobs), we should stop treating modern technology as an occasional “application” and instead add short, targeted modern inserts that connect directly to the classical topics we already teach.
Here are the biggest gaps that students encounter immediately in life and in industry:
✅ Semiconductors & devices (diodes, LEDs, solar cells, transistors) — the physics of how electronics truly work
✅ Power electronics & electrification (chargers, inverters, EV powertrains, grid issues) — the “electricity of civilization”
✅ Wireless/RF basics (antennas, propagation, interference, noise/SNR) — why Wi-Fi works… and why it fails
✅ Photonics & lasers (sources, detectors, fiber optics) — the backbone of telecom, imaging, and sensing
✅ Sensors everywhere (MEMS, inertial sensing, calibration, drift, noise, sampling) — turning the world into data
✅ Medical physics as systems (CT/MRI/ultrasound tradeoffs: resolution, dose, time, safety)
✅ Quantum technologies (lite but real) — qubits as fragile systems, decoherence, sensing, and what “quantum advantage” really means
✅ Physics of computation/AI — heat, energy limits, and why data centers are becoming an infrastructure story
The best part: these don’t require a new course. Many can be taught as 20–40 minute inserts exactly where they belong (after Gauss’s law → MOS/ESD; after EM waves → antennas & link budget; after optics → lasers & fiber; after energy/thermo → computing heat & efficiency).
If you teach General Physics: Which one “modern insert” would you add first—and where in the syllabus would you place it?
