Gradient
Gravitational potential
Hamiltonian mechanics
Harmonic oscillator
Higgs boson
Huygens–Fresnel principle
Inelastic collision
Infrared - Wikipedia
Infrasound
International System of Units
Ionizing radiation
Kaluza–Klein theory
Lagrangian (field theory)
Lagrangian and Eulerian specification of the flow field
Light cone
Logic analyzer
Longitudinal wave
Mach number
Magnetic dipole
Magnetic field
Magnetostatics
Mass
Mass–energy equivalence
Mechanical resonance
Metastability
Meteoroid
Molar volume
Newton's laws of motion
Nutación
Particle physics