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Luminiferous aether or ether [1] (luminiferous meaning 'light-bearing') was the postulated medium for the propagation of light. [2] It was invoked to explain the ability of the apparently wave-based light to propagate through empty space (a vacuum), something that waves should not be able to do. The assumption of a spatial plenum (space ...
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]
It is disposed in four grades of density and is considered to be a kind of physical matter (the blue haze seen in mountain canyons is said to be in fact ether of the kind known to occult investigators as chemical ether). Associated there is also a type of spiritual sight, that man will eventually develop, called etheric vision. [6]
In 1889, ([Poi89]), Henri Poincaré argued that the ether might be unobservable, in which case the existence of the ether is a metaphysical question, and he suggested that some day the ether concept would be thrown aside as useless. However, in the same book (Ch. 10) he considered the ether a "convenient hypothesis" and continued to use the ...
Between 1870 and 1890 the vortex atom theory, which hypothesised that an atom was a vortex in the aether, was popular among British physicists and mathematicians. William Thomson, who became better known as Lord Kelvin, first conjectured that atoms might be vortices in the aether that pervades space.
The price of ether jumped as much as 18% Monday and was up another 8.6% at $3,802 late Tuesday morning before retreating slightly to hover at around $3,747 Tuesday afternoon.
Coriantumr is one of the last Jaredites, as well as their last king. [2] During his reign, Ether, a prophet acting under the direction of God, prophesies to the people; nobody believes and eventually he is cast out, the destruction prophecy of Coriantumr's family is given, [3]:309 and Ether remains in a cave to record the events.