of conservation of energy states that the total energy of an isolated system remains constant; it is said to be conserved over time. In the case of a...

Energy conservation is the effort to reduce wasteful energy consumption by using fewer energy services. This can be done by using energy more effectively...

law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the...

performance of work and in the form of heat and light. Energy is a conserved quantity—the law of conservation of energy states that energy can be converted...

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

of the conservation of energy, having previously swallowed up that of the conservation of heat, now proceeded to swallow that of the conservation of mass—and...

Exact conservation laws include conservation of mass-energy, conservation of linear momentum, conservation of angular momentum, and conservation of electric...

The Energy Policy and Conservation Act of 1975 (EPCA) (Pub. L.Tooltip Public Law (United States) 94–163, 89 Stat. 871, enacted December 22, 1975) is a...

law of conservation of energy, energy is transferable to a different location or object, but it cannot be created or destroyed. The energy in many of its...

The first law of thermodynamics is a formulation of the law of conservation of energy in the context of thermodynamic processes. The law distinguishes...

first law of thermodynamics is a version of the law of conservation of energy, adapted for thermodynamic processes. In general, the conservation law states...

thermal energy into mechanical work. When the thermal energy is equivalent to the work done, this does not violate the law of conservation of energy. However...

energy is greater than or equal to zero. The existence of escape velocity can be thought of as a consequence of conservation of energy and an energy field...

masses always have a gravitational potential. Conservation of energy requires that this gravitational field energy is always negative, so that it is zero when...

The Food, Conservation, and Energy Act of 2008 (Pub. L.Tooltip Public Law (United States) 110–246 (text) (PDF), H.R. 6124, 122 Stat. 1651, enacted June...

property of an isolated physical system does not change as the system evolves over time Conservation of energy, principle that the total energy of an isolated...

is a device, usually made of metal, that demonstrates the principles of conservation of momentum and conservation of energy in physics with swinging spheres...

that the law of conservation of energy is the direct mathematical consequence of the translational symmetry of the quantity conjugate to energy, namely time...

The International Energy Conservation Code (IECC) is a building code created by the International Code Council in 2000. It is a model code adopted by...

with the law of conservation of energy and law of conservation of momentum. It is an important process in quantum optics, for the generation of entangled...

of conservation of energy. This states that, in a steady flow, the sum of all forms of energy in a fluid is the same at all points that are free of viscous...

}={T^{\alpha \beta }}_{;\beta }=0} which expresses the local conservation of stress–energy. This conservation law is a physical requirement. With his field equations...

Association for the Conservation of Energy was a British organisation that promoted energy conservation. It represented the energy efficiency industry...

stronger, local form of conservation laws. For example, a weak version of the law of conservation of energy states that energy can neither be created...

Energy Conservation Act, National Appliance Energy Conservation Amendments of 1988, Energy Policy Act of 1992, Energy Policy Act of 2005 and Energy Independence...

change, as expressed in the law of conservation of energy, a foundation of the first law of thermodynamics. The internal energy cannot be measured absolutely...

that allows retention for the energy–momentum conservation laws of classical mechanics. Addition of the matter stress–energy tensor to the Landau–Lifshitz...

Principle of Conservation of Energy that the algebraic sum of the quantities of heat gained by the two systems is equal to the quantity of work lost by...

of defining all the variables in a circuit to comply with the PSC is that it makes it easy to express conservation of energy. Since electric energy cannot...

its wavelength.) This is the Compton effect. Because of conservation of energy the lost energy from the photon is transferred to the recoiling particle...