Menu

Home Explore People Places Arts History Plants & Animals Science Life & Culture Technology

Science Physics Physics basics

Physics basics

Physical constants

Atmospheric physics

The application of physics to the study of the atmosphere

Background radiation

Measure of ionizing radiation in the environment

Study of biological systems using methods from the physical sciences

Unit of magnetic moment

Physical constant; the most probable distance between an electron and the nucleus in a nonrelativistic model of the hydrogen atom with infinitely heavy nucleus

Boltzmann constant

Physical constant relating particle kinetic energy with temperature

Chemical physics

Subdiscipline of chemistry and physics

Classical field theory

Physical theory describing classical fields

Classical limit

Concept of modern physics theories that they should, under some circumstances, approximate the predictions of classical physics

Classical physics

Category of theories

Computational physics

Numerical simulations of physical problems via computers

Conservation law

Scientific law regarding conservation of a physical property

Conservation of energy

Law of physics: energy cannot be created or destroyed; universe's total energy is constant

Electromagnetism

Branch of science concerned with the phenomena of electricity and magnetism

Electron magnetic moment

Spin of an electron

Elementary charge

Charge carried by one proton or electron

Physical property transferred to objects to perform heating or work

Energy per volume

Physics term for multiple concepts

Experimental physics

Category of disciplines and sub-disciplines concerned with the observation of physical phenomena

Field (physics)

Physical quantities taking values at each point in space and time

Speculative physics theory

Fine-structure constant

Dimensionless number that quantifies the strength of the electromagnetic interaction

Fundamental interaction

Most basic type of physical force

Physical theory with fields invariant under the action of local "gauge" Lie groups

Gravitational constant

Physical constant relating the gravitational force between objects to their mass and distance

Attraction of masses and energy

Dependence of the state of a system on its history

Characterized by some of the outputs or internal states growing without bounds

Introduction to gauge theory

Non-technical introduction to gauge theory

Ionizing radiation

Radiation that carries enough light energy to liberate electrons from atoms or molecules

American artist (born 1975)

List of unsolved problems in physics

Macroscopic scale

Length scale on which objects or phenomena are large enough to be visible almost practically with the naked eye

Mass–energy equivalence

Concept in special relativity expressed as E = mc²

Mathematical physics

Application of mathematical methods to problems in physics

Substance that has mass and volume

Stable state of a dynamical system other than the system's state of least energy

Outline of physics

Overview of and topical guide to physics

Physical constant

Universal and unchanging physical quantity

Physical property

Attribute of a physical system or body; OR non-chemical property of a material

Physical quantity

Quantitative characterization of an aspect of a physical entity, phenomenon, event, process, transformation, relation, system, or substance

Study of the fundamental properties of matter and energy

Planck constant

Physical constant in quantum mechanics

Polymer physics

Branch of physics

Waves or particles moving through space

Scalar (physics)

One-dimensional physical quantity

Scale invariance

Features that do not change if length or energy scales are multiplied by a common factor

Space (disambiguation)

Topics referred to by the same term

Tabletop role-playing game

Speed at which all massless particles and associated fields travel in vacuum

Statistical mechanics

Branch of physics

Strong interaction

Force binding particles within hadrons

Symmetry (physics)

Feature of a system that is preserved under some transformation

Theoretical physics

Branch of physics

Time (magazine)

American news magazine and website based in New York City

Time in physics

Fundamental quantity in physics

Transport phenomena

Exchange of mass, energy, and momentum between observed and studied systems

Vacuum permeability

Physical constant

Vacuum permittivity

Absolute dielectric permittivity of vacuum

Weak interaction

Interaction between subatomic particles