";s:4:"text";s:5012:"[3], Quantum mechanics can be used to describe spacetime as being non-empty at extremely small scales, fluctuating and generating particle pairs that appear and disappear incredibly quickly. Ether, also spelled aether, also called luminiferous ether, in physics, a theoretical universal substance believed during the 19th century to act as the medium for transmission of electromagnetic waves (e.g., light and X-rays), much as sound waves are transmitted by elastic media such as air. The modern concept of the vacuum of space, confirmed every day by experiment, is a relativistic ether. Enfin, s'étant uni à sa fille Gaïa, il enfante les dieux originels généralement attribués à Ouranos ou à Nyx : Algos (la Douleur), la Colère, la Mendicité, l'Intempérance, Neikos (les Disputes), Léthé (l'Oubli), l'Inceste, Océan, Thémis, le Tartare, Pontos (le Flot), puis les principaux Titans Atlas, Hypérion, Polos, Cronos, Rhéa, Moneta (semi-équivalent latin de Mnémosyne) et Dioné — et pour finir, les trois Érinyes. To me, it seems extremely plausible that any reasonable theory for the dynamics at the Planck scale would lead to processes that are so complicated to describe, that one should expect apparently stochastic fluctuations in any approximation theory describing the effects of all of this at much larger scales. This early modern aether has little in common with the aether of classical elements from which the name was borrowed. The most well-known formulation is Le Sage's theory of gravitation, although other models were proposed by Isaac Newton, Bernhard Riemann, and Lord Kelvin. The ether was assumed to be weightless, transparent, frictionless, undetectable chemically or physically, and literally permeating all matter and space. [18] In a cosmological extension the model was "extended to predict a decelerating expansion of the universe". As nouns the difference between aether and ether is that aether is (ether) while ether is (organic compound|countable) a compound containing an oxygen atom bonded to two hydrocarbon groups. Milieu matériel hypothétique, remplissant tout l'espace mais impalpable, dans lequel les ondes lumineuses étaient censées se propager. And those agreeing with him are looking for a classical, deterministic aether theory that would imply quantum-mechanical predictions as a statistical approximation, a hidden variable theory. Bell suggests the aether was wrongly rejected on purely philosophical grounds: "what is unobservable does not exist" [p. 49]. The undulatory theory of light also assumes the existence of a medium. The ether is the upper, clear sky above the clouds, or the air in the sense that is a conductive medium of electronic transmissions. L'air y est plus pur et plus chaud. Dirac, Paul: "Is there an Aether? Malekith absorbs the Aether. See Wiktionary Terms of Use for details. "[7][8], Isaac Newton suggests the existence of an aether in the Third Book of Opticks (1st ed. − P. méton. Joseph Larmor discussed the aether in terms of a moving magnetic field caused by the acceleration of electrons. Other Comparisons: What's the difference? La théorie de la relativité restreinte a rendu inutile cette hypothèse ad hoc. Platelet-activating factor An Ether lipid, an example with an ether on sn-1, an ester on sn-2, and an inorganic ether on sn-3 of the glyceryl scaffold. In particular, Gerard 't Hooft[13] conjectured that: "We should not forget that quantum mechanics does not really describe what kind of dynamical phenomena are actually going on, but rather gives us probabilistic results. Ether, also spelled aether, also called luminiferous ether, in physics, a theoretical universal substance believed during the 19th century to act as the medium for transmission of electromagnetic waves (e.g., light and X-rays), much as sound waves are transmitted by elastic media such as air. (archaic, physics, uncountable) A substance (, * {{quote-magazine, date=2013-06-14, author=(, * {{quote-magazine, date=2014-02-26, magazine=(. 1718): "Doth not this aethereal medium in passing out of water, glass, crystal, and other compact and dense bodies in empty spaces, grow denser and denser by degrees, and by that means refract the rays of light not in a point, but by bending them gradually in curve lines? With the formulation of the special theory of relativity by Albert Einstein in 1905 and its acceptance by scientists generally, the ether hypothesis was abandoned as being unnecessary in terms of Einstein’s assumption that the speed of light, or any electromagnetic wave, is a universal constant. James Clerk Maxwell said of the aether, "In several parts of this treatise an attempt has been made to explain electromagnetic phenomena by means of mechanical action transmitted from one body to another by means of a medium occupying the space between them. Creative Commons Attribution/Share-Alike License; (organic compound, countable) A compound containing an oxygen atom bonded to two hydrocarbon groups. ";s:7:"keyword";s:15:"aether vs ether";s:5:"links";s:6226:"Spiritual Relationship,
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