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production. Energy portal Physics portal Renewable energy portal Combustion Efficient energy use Energy democracy Energy crisis Energy recovery Energy recycling...

Particle physics or high-energy physics is the study of fundamental particles and forces that constitute matter and radiation. The field also studies combinations...

entities of energy and force. Physics is one of the most fundamental scientific disciplines. A scientist who specializes in the field of physics is called...

from the fact that the laws of physics do not change over time. A consequence of the law of conservation of energy is that a perpetual motion machine...

In physics, mass–energy equivalence is the relationship between mass and energy in a system's rest frame, where the two quantities differ only by a multiplicative...

In physics and chemistry, binding energy is the smallest amount of energy required to remove a particle from a system of particles or to disassemble a...

Model of physics, such as the strong CP problem, neutrino mass, matter–antimatter asymmetry, and the nature of dark matter and dark energy. Another problem...

University Physics (2nd ed.). Boca Raton: Chapman and Hall/CRC. ISBN 9781351991988. "The Feynman Lectures on Physics Vol. I Ch. 14: Work and Potential Energy (conclusion)"...

special case of zero-point energy that relates to the quantum vacuum. Unsolved problem in physics: Why does the zero-point energy of the vacuum not cause...

zero-point energy is also important for cosmology, and physics currently lacks a full theoretical model for understanding zero-point energy in this context;...

High-energy nuclear physics studies the behavior of nuclear matter in energy regimes typical of high-energy physics. The primary focus of this field is...

Physics is a branch of science whose primary objects of study are matter and energy. Discoveries of physics find applications throughout the natural sciences...

sciences, mechanical energy is the sum of potential energy and kinetic energy. The principle of conservation of mechanical energy states that if an isolated...

known as low energy physics. Intuitively, it might seem incorrect to associate "high energy" with the physics of very small, low mass–energy systems, like...

{m} ^{2}}{\mathrm {s} ^{2}}}} An energy unit that is used in atomic physics, particle physics and high energy physics is the electronvolt (eV). One eV...

In physical cosmology and astronomy, dark energy is a proposed form of energy that affects the universe on the largest scales. Its primary effect is to...

range of energies, rather than the discrete amounts of energy that were observed in gamma and alpha decays. This was a problem for nuclear physics at the...

In physics, potential energy is the energy held by an object because of its position relative to other objects, stresses within itself, its electric charge...

Negative energy is a concept used in physics to explain the nature of certain fields, including the gravitational field and various quantum field effects...

classical physics is excluded. Low-energy objects would be handled by quantum theory and high-energy objects by relativity theory. Physics portal Glossary...