• gravitation, particularly general relativity, an energy condition is a generalization of the statement "the energy density of a region of space cannot be negative"...
    16 KB (2,326 words) - 15:01, 2 November 2024
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    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...
    59 KB (7,393 words) - 20:56, 26 October 2024
  • of the averaged null energy condition. Quantum effects such as the Casimir effect cannot violate the averaged null energy condition in any neighborhood...
    55 KB (6,861 words) - 17:37, 5 November 2024
  • Thumbnail for Heating, ventilation, and air conditioning
    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...
    59 KB (7,012 words) - 18:06, 21 October 2024
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    various energy conditions, such as the null energy condition along with the weak, strong, and dominant energy conditions. However, it is known that quantum...
    73 KB (8,248 words) - 00:25, 20 October 2024
  • Thumbnail for Air conditioning
    Air conditioners can reduce mortality rates due to higher temperature. According to the International Energy Agency (IEA) 1.6 billion air conditioning units...
    97 KB (10,125 words) - 11:42, 5 November 2024
  • 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...
    22 KB (3,567 words) - 23:01, 9 November 2023
  • energy and momentum that satisfies the dominant energy condition. This is because if the energy and momentum satisfies the dominant energy condition within...
    30 KB (3,667 words) - 21:24, 9 October 2024
  • 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...
    22 KB (3,141 words) - 20:22, 9 March 2024
  • Thumbnail for Race condition
    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...
    35 KB (4,419 words) - 14:46, 28 October 2024
  • Thumbnail for Alcubierre drive
    physically reasonable warp drives violate the weak energy condition, as well as both the strong and dominant energy conditions. Krasnikov proposed that if tachyonic...
    44 KB (5,454 words) - 03:09, 1 November 2024
  • Thumbnail for Stress–energy tensor
    about Gravitational stress-energy tensor The stress–energy tensor, sometimes called the stress–energy–momentum tensor or the energy–momentum tensor, is a tensor...
    25 KB (4,068 words) - 12:23, 31 October 2024
  • region that satisfies the weak energy condition, meaning that the region contains no exotic matter with negative energy. The Tipler cylinder, on the other...
    12 KB (1,355 words) - 20:30, 11 May 2024
  • concept is named after Augustin-Louis Cauchy. Under the averaged weak energy condition (AWEC), Cauchy horizons are inherently unstable. However, cases of...
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  • Thumbnail for Gibbs free energy
    provides a necessary condition for processes such as chemical reactions that may occur under these conditions. The Gibbs free energy is expressed as G (...
    33 KB (4,546 words) - 15:39, 17 July 2024
  • relativity with their paper "Wormholes, Time Machines, and the Weak Energy Condition", which showed that a new general relativity solution known as a traversable...
    27 KB (3,429 words) - 04:19, 6 February 2024
  • efficiency of air conditioners is often rated by the seasonal energy efficiency ratio (SEER) which is defined by the Air Conditioning, Heating, and Refrigeration...
    21 KB (2,755 words) - 00:22, 25 June 2024
  • Thumbnail for Kip Thorne
    quantum states that violate the averaged null energy condition (i.e. have negative renormalized energy spread over a sufficiently large region). This...
    41 KB (3,966 words) - 18:09, 22 October 2024
  • 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...
    11 KB (1,756 words) - 21:34, 3 May 2023
  • Thumbnail for Skin condition
    A skin condition, also known as cutaneous condition, is any medical condition that affects the integumentary system—the organ system that encloses the...
    28 KB (2,681 words) - 10:31, 21 March 2024
  • Administration (NASA) sponsored report in 1976 surveyed solar energy system applications of air conditioning. Techniques discussed included both solar powered (absorption...
    27 KB (3,505 words) - 08:25, 27 September 2024
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    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...
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  • electronics, condition monitoring, and wireless sensor networks. Energy harvesters usually provide a very small amount of power for low-energy electronics...
    62 KB (7,453 words) - 20:28, 3 August 2024
  • 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)...
    6 KB (801 words) - 22:12, 4 October 2024
  • length. Chemical energyenergy contained in molecules Electrical energyenergy from electric fields Geothermal energy – thermal energy extracted from...
    20 KB (2,298 words) - 21:01, 25 October 2024
  • spacetime. The condition of (M, g) having nonnegative scalar curvature is equivalent to the spacetime obeying the dominant energy condition. This inequality...
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  • Thumbnail for Energy development
    illumination, heating and air conditioning, and communication, for industrial, commercial, and domestic purposes. Energy resources may be classified as...
    126 KB (12,849 words) - 06:02, 1 November 2024
  • Thumbnail for Renewable energy
    energy (or green energy) is energy from renewable natural resources that are replenished on a human timescale. The most widely used renewable energy types...
    167 KB (15,573 words) - 13:55, 2 November 2024
  • 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...
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  • Thumbnail for Energy conservation
    appliances with high energy consumption and energy load. Seasonal variations also greatly influence energy load, as more air-conditioning is used in warmer...
    89 KB (10,173 words) - 13:39, 2 November 2024