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Physics
Science archetype · 120 canonical topics · pick where to start.
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9 sections · 120 lesson-sized topics · pick where to start
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Classical Mechanics
17 topics
Newton's first law and inertia
HS
canonical · click to start
Newton's second law and F=ma
HS
canonical · click to start
Newton's third law and conservation of momentum
HS
canonical · click to start
Free fall and projectile motion
HS
canonical · click to start
Circular motion and centripetal force
HS
canonical · click to start
Friction, normal force, and inclined planes
HS
canonical · click to start
Work, kinetic energy, and the work-energy theorem
HS
canonical · click to start
Conservation of energy
HS
canonical · click to start
Hooke's law and simple harmonic motion
U
canonical · click to start
Torque, angular momentum, and rotational dynamics
U
canonical · click to start
Moment of inertia and rigid-body rotation
U
canonical · click to start
Central-force motion and Kepler's laws
U
canonical · click to start
Two-body problem and reduced mass
U
canonical · click to start
Lagrangian mechanics and the Euler-Lagrange equation
U
canonical · click to start
Hamiltonian mechanics and phase space
G
canonical · click to start
Noether's theorem and continuous symmetries
G
canonical · click to start
Nonlinear dynamics and chaos
G
canonical · click to start
Electricity & Magnetism
20 topics
Coulomb's law and the electric force
HS
canonical · click to start
Electric field of a point charge
HS
canonical · click to start
Electric field of a continuous charge distribution
U
canonical · click to start
Gauss's law and field symmetries
U
canonical · click to start
Electric potential and equipotential surfaces
U
canonical · click to start
Capacitance and dielectric materials
U
canonical · click to start
Current, resistance, and Ohm's law
HS
canonical · click to start
Kirchhoff's laws and DC circuits
HS
canonical · click to start
Magnetic field of a current-carrying wire
U
canonical · click to start
Ampère's law and Biot-Savart
U
canonical · click to start
Faraday's law of electromagnetic induction
U
canonical · click to start
Lenz's law and induced EMF
HS
canonical · click to start
Self-inductance and mutual inductance
U
canonical · click to start
RLC circuits and resonance
U
canonical · click to start
Maxwell's equations in integral and differential form
U
canonical · click to start
Electromagnetic waves in vacuum
U
canonical · click to start
Poynting vector and EM energy flow
G
canonical · click to start
Waveguides and resonant cavities
G
canonical · click to start
Larmor formula and radiation from accelerating charges
G
canonical · click to start
Multipole expansion of fields
G
canonical · click to start
Thermodynamics & Statistical Mechanics
13 topics
Ideal gas law and kinetic theory
HS
canonical · click to start
First law of thermodynamics
HS
canonical · click to start
Second law and entropy
U
canonical · click to start
Heat engines and Carnot efficiency
U
canonical · click to start
Refrigerators, heat pumps, and the Clausius statement
U
canonical · click to start
Entropy from microstates: S = k ln Ω
U
canonical · click to start
Maxwell-Boltzmann velocity distribution
U
canonical · click to start
Partition function and canonical ensemble
U
canonical · click to start
Helmholtz and Gibbs free energy
U
canonical · click to start
Phase transitions and the Clausius-Clapeyron relation
G
canonical · click to start
Critical phenomena and universality
G
canonical · click to start
Black-body radiation and Planck's law
U
canonical · click to start
Fermi-Dirac and Bose-Einstein statistics
G
canonical · click to start
Waves & Optics
12 topics
The wave equation and properties of waves
U
canonical · click to start
Superposition and interference
HS
canonical · click to start
Standing waves, normal modes, and resonance
U
canonical · click to start
Doppler effect for sound and light
HS
canonical · click to start
Refraction and Snell's law
HS
canonical · click to start
Geometric optics: lenses and mirrors
HS
canonical · click to start
Thin-film interference
U
canonical · click to start
Young's double-slit experiment
HS
canonical · click to start
Single-slit diffraction and gratings
U
canonical · click to start
Resolving power and the Rayleigh criterion
U
canonical · click to start
Polarization of light and Malus's law
U
canonical · click to start
Fourier optics and image formation
G
canonical · click to start
Quantum Mechanics
18 topics
Wave-particle duality
HS
canonical · click to start
The photoelectric effect
HS
canonical · click to start
de Broglie wavelength and matter waves
U
canonical · click to start
Bohr model of the hydrogen atom
HS
canonical · click to start
Heisenberg uncertainty principle
U
canonical · click to start
Time-independent Schrödinger equation
U
canonical · click to start
Particle in an infinite square well
U
canonical · click to start
Quantum harmonic oscillator and ladder operators
U
canonical · click to start
Quantum tunneling and barrier penetration
U
canonical · click to start
Hydrogen atom: separation of variables and quantum numbers
U
canonical · click to start
Angular momentum operators and spherical harmonics
U
canonical · click to start
Spin-1/2 and Pauli matrices
U
canonical · click to start
Bra-ket notation and Hilbert space
U
canonical · click to start
Time-dependent perturbation theory
G
canonical · click to start
Time-independent perturbation theory
G
canonical · click to start
WKB semiclassical approximation
G
canonical · click to start
Path integral formulation
G
canonical · click to start
Quantum entanglement and Bell's inequality
G
canonical · click to start
Special & General Relativity
12 topics
Postulates of special relativity
HS
canonical · click to start
Time dilation and length contraction
U
canonical · click to start
Lorentz transformations
U
canonical · click to start
Relativistic energy and momentum
U
canonical · click to start
The twin paradox
U
canonical · click to start
Spacetime diagrams and invariant intervals
U
canonical · click to start
Four-vectors and tensor index notation
G
canonical · click to start
The equivalence principle
U
canonical · click to start
Schwarzschild metric and black holes
G
canonical · click to start
Geodesics and the Einstein field equations
G
canonical · click to start
Gravitational waves
G
canonical · click to start
FLRW metric and cosmological models
G
canonical · click to start
Modern & Particle Physics
10 topics
The Standard Model overview
U
canonical · click to start
Leptons, quarks, and the three generations
U
canonical · click to start
QCD basics: quarks and the strong force
G
canonical · click to start
Weak interactions and beta decay
U
canonical · click to start
Higgs boson and mass generation
G
canonical · click to start
Neutrino oscillations
G
canonical · click to start
Feynman diagrams and scattering amplitudes
G
canonical · click to start
Nuclear decay: alpha, beta, gamma
HS
canonical · click to start
Nuclear binding energy and the semi-empirical mass formula
U
canonical · click to start
Renormalization and running couplings
G
canonical · click to start
Solid State & Condensed Matter
10 topics
Crystal structure and Bravais lattices
U
canonical · click to start
Reciprocal lattice and Brillouin zones
U
canonical · click to start
Free electron model of metals
U
canonical · click to start
Band theory and Bloch's theorem
U
canonical · click to start
Semiconductors: p-n junctions and doping
U
canonical · click to start
Phonons and lattice vibrations
G
canonical · click to start
Superconductivity and BCS theory
G
canonical · click to start
Integer and fractional quantum Hall effect
G
canonical · click to start
Ferromagnetism and the Ising model
G
canonical · click to start
Density functional theory
G
canonical · click to start
Mathematical Methods for Physics
8 topics
Vector calculus: div, grad, curl
U
canonical · click to start
Fourier series and Fourier transforms
U
canonical · click to start
Complex analysis and contour integration
U
canonical · click to start
PDEs: separation of variables
U
canonical · click to start
Tensors and Einstein index notation
U
canonical · click to start
Variational calculus and Euler-Lagrange
U
canonical · click to start
Group theory for physicists
G
canonical · click to start
Differential forms and Stokes' theorem
G
canonical · click to start