v. 1. Mainly mechanics, radiation, and heat — v. 2. Mainly electromagnetism and matter — v. 3. Quantum mechanics. Contents of vol. 1: Atoms in motion — Basic physics — The relation of physics to other sciences — Conservation of energy — Time and distance — Probability — The theory of gravitation — Motion — Newton's laws of dynamics — Conservation of momentum — Vectors — Characteristics of force — Work and potential energy — Work and potential energy (conclusion) — The special theory of relativity — Relativistic energy and momentum — Space-time — Rotation in two dimensions — Center of mass ; moment of inertia — Rotation in space — The harmonic oscillator — Algebra — Resonance — Transients — Linear systems and review — The principle of least time — Geometrical optics — Electromagnetic radiation — Interference — Diffraction — The origin of the refractive index — Radiation damping. Light scattering — Polarization — Relativistic effects in radiation — Color vision — Mechanisms of seeing — Quantum behavior — The relation of wave and particle viewpoints — The kinetic theory of gases — The principles of statistical mechanics — The Brownian movement — Applications of kinetic theory — Diffusion — The laws of thermodynamics — Illustrations of thermodynamics — Ratchet and pawl — Sound. The wave equation — Beats — Modes — Harmonics — Waves — Symmetry in physical laws. Contents of vol. 2: Electromagnetism — Differential calculus of vector fields — Vector integral calculus — Electrostatics — Application of Gauss' law — The electric field in various circumstances — The electric field in various circumstances (continued) — Electrostatic energy — Electricity in the atmosphere — Dielectrics — Inside dielectrics — Electrostatic analogs — Magnetostatics — The magnetic field in various situations — The vector potential — Induced currents — The laws of induction — The Maxwell equations — The principle of least action — Solutions of Maxwell's equations in free space — Solutions of Maxwell's equations with currents and charges — AC circuits — Cavity resonators — Waveguides — Electrodynamics in relativistic notation — Lorentz transformations of the fields — Field energy and field momentum — Electromagnetic mass — The motion of charges in electric and magnetic fields — The internal geometry of crystals — Tensors — Refractive index of dense materials — Reflection from surfaces — The magnetism of matter — Paramagnetism and magnetic resonance — Ferromagnetism — Magnetic materials — Elasticity — Elastic materials — The flow of dry water — The flow of wet water — Curved space. Contents of vol. 3: Quantum behavior — The relation of wave and particle viewpoints — Probability amplitudes — Identical particles — Spin one — Spin one-half — The dependence of amplitudes on time — The Hamiltonian matrix — The ammonia maser — Other two-state systems — More two-state systems — The hyperfine splitting in hydrogen — Propagation in a crystal lattice — Semiconductors — The independent particle approximation — The dependence of amplitudes on position — Symmetry and conservation laws — Angular momentum — The hydrogen atom and the periodic table — Operators — The Schro?dinger equation in a classical context : a seminar on superconductivity — Feynman's epilogue