T0
Foundations
The toolkit: math for physics, measurement, estimation.
Δ PHYS 010 Mathematical Toolbox Vectors, derivatives, integrals — exactly what physics needs, no more. 6 units · 42 lessons HS
≈ PHYS 020 Units, Measurement & Estimation Dimensional analysis, uncertainty, Fermi problems. 4 units · 26 lessons HS
T1
Classical Mechanics
How things move, and why.
F PHYS 101 Classical Mechanics Kinematics, Newton's laws, energy, momentum, rotation, gravitation. 9 units · 96 lessons INTRO
ω PHYS 102 Oscillations & Rigid Bodies SHM, coupled oscillators, torque-rich rigid-body dynamics. 6 units · 54 lessons INTRO
L PHYS 103 Lagrangian & Hamiltonian Mechanics Action principles, symmetries, and conservation laws. 7 units · 60 lessons ADV
v PHYS 090 Mechanics (algebra-based) The full story of motion without calculus. AP Physics 1 aligned. 8 units · 72 lessons HS
T2
Electromagnetism
Fields, charges, circuits — and light, eventually.
E PHYS 201 Electricity & Magnetism Coulomb to Faraday: fields, potential, circuits, induction. 9 units · 88 lessons INTRO
∇ PHYS 202 Maxwell's Equations The four equations and the electromagnetic wave they predict. 6 units · 48 lessons ADV
Ω PHYS 203 Circuits & Electronics DC, AC, RC/RLC, diodes and op-amps for experimenters. 6 units · 50 lessons INTRO
q PHYS 290 E&M (algebra-based) Fields and circuits without calculus. AP Physics 2 aligned. 7 units · 62 lessons HS
A PHYS 204 Electrodynamics Radiation, gauge freedom, and relativistic field theory. 7 units · 56 lessons ADV
T3
Thermo & Statistical Mechanics
Heat, entropy, and the physics of many things at once.
S PHYS 302 Statistical Mechanics From microstates to temperature: ensembles and distributions. 7 units · 58 lessons ADV
Q PHYS 301 Thermodynamics Laws, engines, entropy, free energy. 6 units · 52 lessons INTRO
k PHYS 303 Kinetic Theory & Gases Ideal and real gases, transport, Brownian motion. 4 units · 30 lessons INTRO
T PHYS 390 Heat & Temperature (intro) Thermal physics for first-timers. 5 units · 38 lessons HS
T4
Waves & Optics
Everything that oscillates, interferes, and diffracts.
λ PHYS 401 Waves & Sound Traveling and standing waves, superposition, acoustics, Doppler. 6 units · 48 lessons INTRO
n PHYS 402 Geometric Optics Rays, mirrors, lenses, and optical instruments. 4 units · 32 lessons HS
φ PHYS 403 Wave Optics Interference, diffraction, polarization, coherence. 5 units · 40 lessons INTRO
c PHYS 404 Fourier Methods & Modern Optics Fourier optics, lasers, fiber — the working physicist's toolkit. 6 units · 44 lessons ADV
T5
Modern Physics
The twentieth century's two revolutions, and what followed.
γ PHYS 501 Special Relativity Spacetime, simultaneity, E = mc². 5 units · 40 lessons INTRO ψ PHYS 502 Quantum Mechanics I Wavefunctions, Schrödinger equation, hydrogen atom. 8 units · 72 lessons ADV
ħ PHYS 503 Quantum Mechanics II Spin, perturbation theory, identical particles, entanglement. 7 units · 60 lessons ADV
Z PHYS 504 Atoms, Nuclei & Particles Atomic structure, radioactivity, the Standard Model. 6 units · 50 lessons INTRO
g PHYS 505 General Relativity (primer) Curved spacetime, black holes, gravitational waves. 5 units · 42 lessons ADV