gravitation, particularly general relativity, an energy condition is a generalization of the statement "the energy density of a region of space cannot be negative"...

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 in form, but not...

of the averaged null energy condition. Quantum effects such as the Casimir effect cannot violate the averaged null energy condition in any neighborhood...

space conditioning, the duct losses can account for 30% of energy consumption. The use of minisplits can result in energy savings in space conditioning as...

Air conditioners can reduce mortality rates due to higher temperature. According to the International Energy Agency (IEA) 1.6 billion air conditioning units...

various energy conditions, such as the null energy condition along with the weak, strong, and dominant energy conditions. However, it is known that quantum...

satisfies the dominant energy condition, each such element must be in the causal future of the origin. If any infinite region has null energy-momentum, then the...

only holds when matter obeys a stronger energy condition, called the strong energy condition, in which the energy is larger than the pressure. All ordinary...

energy and momentum that satisfies the dominant energy condition. This is because if the energy and momentum satisfies the dominant energy condition within...

A race condition or race hazard is the condition of an electronics, software, or other system where the system's substantive behavior is dependent on...

about Gravitational stress-energy tensor The stress–energy tensor, sometimes called the stress–energy–momentum tensor or the energy–momentum tensor, is a tensor...

physically reasonable warp drives violate the weak energy condition, as well as both the strong and dominant energy conditions. Krasnikov proposed that if tachyonic...

region that satisfies the weak energy condition, meaning that the region contains no exotic matter with negative energy. The Tipler cylinder, on the other...

A skin condition, also known as cutaneous condition, is any medical condition that affects the integumentary system—the organ system that encloses the...

efficiency of air conditioners is often rated by the seasonal energy efficiency ratio (SEER) which is defined by the Air Conditioning, Heating, and Refrigeration...

Administration (NASA) sponsored report in 1976 surveyed solar energy system applications of air conditioning. Techniques discussed included both solar powered (absorption...

provides a necessary condition for processes such as chemical reactions that may occur under these conditions. The Gibbs free energy is expressed as G (...

concept is named after Augustin-Louis Cauchy. Under the averaged weak energy condition (AWEC), Cauchy horizons are inherently unstable. However, cases of...

trace of the tidal tensor; this is precisely the condition guaranteed by assuming the strong energy condition, which holds for the most important types of...

relativity with their paper "Wormholes, Time Machines, and the Weak Energy Condition", which showed that a new general relativity solution known as a traversable...

Bohr's frequency condition states that the frequency of a photon absorbed or emitted during an electronic transition is related to the energy difference (ΔE)...

possible. In particular, he assumed that all matter satisfies the weak energy condition. Oldham, L. J.; Auger, M. W. (March 2016). "Galaxy structure from multiple...

length. Chemical energy – energy contained in molecules Electrical energy – energy from electric fields Gravitational energy – energy from gravitational...

electronics, condition monitoring, and wireless sensor networks. Energy harvesters usually provide a very small amount of power for low-energy electronics...

quantum states that violate the averaged null energy condition (i.e. have negative renormalized energy spread over a sufficiently large region). This...

spacetime. The condition of (M, g) having nonnegative scalar curvature is equivalent to the spacetime obeying the dominant energy condition. This inequality...

of the theory at some energy scale. It is also known as the 't Hooft condition and the 't Hooft UV-IR anomaly matching condition. There are two closely...

the condition of radiation for a scalar field satisfying the Helmholtz equation as "the sources must be sources, not sinks of energy. The energy which...

illumination, heating and air conditioning, and communication, for industrial, commercial, and domestic purposes. Energy resources may be classified as...

can be determined—an energy condition. In the one-dimensional case of a completely elastic collision with no loss of kinetic energy, the outgoing velocities...