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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.
In the late 19th century, physicists postulated that aether permeated space, providing a medium through which light could travel in a vacuum, but evidence for the presence of such a medium was not found in the Michelson–Morley experiment, and this result has been interpreted to mean that no luminiferous aether exists. [2]
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 ...
The aether was considered as a yet undetected medium and responsible agent for conducting the force. In a letter to Robert Boyle in 1679 Newton proposed an "aethereal substance" to explain gravity. [4] Later in his work Opticks of 1717 he considered the aether to be made of impenetrable corpuscules. [4] [8] Newtonian aether was very dilute and ...
The word derives from the Medieval Latin empyreus, an adaptation of the Ancient Greek empyros (ἔμπυρος), meaning "in or on the fire (pyr)". [ 1 ] In Christian religious cosmologies, the Empyrean was "the source of light" and where God and saved souls resided, [ 1 ] and in medieval Christianity, the Empyrean was the third heaven and ...
Luminiferous aether or ether ("luminiferous", meaning "light-bearing"), was the postulated medium for the propagation of light. It was invoked to explain the ability of the apparently wave-based light to propagate through empty space, something that waves should not be able to do. The assumption of a spatial plenum of luminiferous aether ...
Tohuw is frequently used in the Book of Isaiah in the sense of "vanity", but bohuw occurs nowhere else in the Hebrew Bible (outside of Genesis 1:2, the passage in Isaiah 34:11 mentioned above, [5] and in Jeremiah 4:23, which is a reference to Genesis 1:2), its use alongside tohu being mere paronomasia, and is given the equivalent translation of ...
The term aether (also written as "ether") was adopted from ancient Greek philosophy and science into Victorian physics (see Luminiferous aether) and utilised by Madame Blavatsky to correspond to akasha, the fifth element (quintessence) of Hindu metaphysics. The Greek word aither derives from an Indo-European root aith- ("burn, shine").