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In the 19th century, luminiferous aether (or ether), meaning light-bearing aether, was a theorized medium for the propagation of light. James Clerk Maxwell developed a model to explain electric and magnetic phenomena using the aether, a model that led to what are now called Maxwell's equations and the understanding that light is an ...
According to ancient and medieval science, aether (/ ˈ iː θ ər /, alternative spellings include æther, aither, and ether), also known as the fifth element or quintessence, is the material that fills the region of the universe beyond the terrestrial sphere. [1]
Thus, first appeared aether, from which appeared air, from that fire, from which water, and therefrom the earth. It is one of the Panchamahabhuta, or "five gross elements"; its main characteristic is Shabda (sound). The direct translation of akasha is the word meaning 'aether' in Hinduism.
harmonic mean heat A form of energy transferred from one body to another by thermal interaction. heat transfer Helmholtz free energy hertz The SI unit of frequency, defined as the number of cycles per second of a periodic phenomenon. Higgs boson homeokinetics The physics of complex, self-organizing systems. horsepower (hp) Huygens–Fresnel ...
And referring to the Fizeau experiment, he even wrote: "The aether is all but in our grasp." He also said the aether is necessary to harmonize Lorentz's theory with Newton's third law. Even in 1912 in a paper called "The Quantum Theory", Poincaré ten times used the word "aether", and described light as "luminous vibrations of the aether". [A 19]
The terms esoteric and arcane can also be used to describe the occult, [4] [5] in addition to their meanings unrelated to the supernatural. The term occult sciences was used in the 16th century to refer to astrology , alchemy , and natural magic , which today are considered pseudosciences .
In the 17th century, Robert Boyle was a proponent of an aether hypothesis. According to Boyle, the aether consists of subtle particles, one sort of which explains the absence of vacuum and the mechanical interactions between bodies, and the other sort of which explains phenomena such as magnetism (and possibly gravity) that are, otherwise, inexplicable on the basis of purely mechanical ...
AETHER, an atmospheric radiative transfer algorithm Efir , now called "Sfera," is a telecommunication project of the Russian Federation aiming to create a national Satellite constellation Arts, entertainment and media