Physics

Articles about matter, energy, forces and physical laws.

Articles in this category: 687 Updated: April 29, 2026 Page 8 / 15

Luminescence

Luminiferous aether

Luminiferous aether: historical concept and its role in the development of modern physics

Luminous intensity

Luminous intensity (photometry)

M-theory

M-theory: proposed unifying framework in theoretical physics

Mach number

Magnet

Magnet: properties, types, history, and common uses

Magnetic field

Magnetic field: properties, origin, and practical applications

Magnetic field line

Magnetic flux

Magnetic levitation

Magnetic levitation (maglev): principles, types, and applications

Magnetic moment

Magnetic moment

Quantity that characterizes the strength and orientation of a magnetic source; determines torque in external fields, energy, and dipolar field patterns across scales from electrons

Magnetic monopole

Magnetic monopoles: theoretical foundations, experimental searches, and implications

Magnetic permeability

Magnetic reluctance

Magnetic reluctance

Magnetism

Magnetism: Principles, Materials, History and Practical Uses

Magnetomotive force

Magnetomotive force: definition, formula, units and applications

Magnetostatics

Maser

Mass

Mass (physical quantity)

Mass versus weight

Mass-to-charge ratio

Material property

Matrix mechanics

Matrix mechanics: the operator formulation of quantum theory

Matter

Matter: Definition, Composition, States, History, and Distinctions

Matter wave

Matter wave: wave behavior of particles in quantum theory

Maxwell (unit)

Maxwell (unit of magnetic flux)

Maxwell's equations

Maxwell's equations: the fundamental laws of classical electromagnetism

Mechanical energy

Mechanical wave

Mechanics

Meissner effect

Meson

Meson: quark–antiquark hadrons and their role in physics

Metastability

Metastability

Metastability: temporary stability in physics, chemistry, and engineering

Metastability describes states that appear stable but will transition to a more stable configuration after a small disturbance; important across physical sciences, materials, and d

Metre Convention

Metre Convention and the International Bureau of Weights and Measures

Metre per second

Metre per second (m/s) — SI unit of speed and velocity

Metre per second squared

Metre per second squared (m/s²): unit of acceleration

Michelson interferometer

Michelson–Morley experiment

Mie scattering

Miles per hour

Minkowski spacetime

Minkowski spacetime: the four-dimensional geometry of special relativity

Moisture

Moisture: forms, measurement, effects, and control

Moment (physics)

Moment (physics): torque, turning effect and applications

Moment of inertia

Momentum

Momentum (linear momentum in classical physics)

Motion (disambiguation)

Move

Move — meanings across motion, law, computing, organizations and culture

Movement