Luminiferous aether or ether (luminiferous meaning 'light-bearing') is the formerly 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 (a vacuum), something that waves should not be able to do.
Luminiferous aether or ether (luminiferous meaning 'light-bearing') is the formerly 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 (a vacuum), something that waves should not be able to do.
Source: Wikipedia "Luminiferous aether" · CC BY-SA 4.0
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