- n. physics The speed of electromagnetic radiation in a perfect vacuum: exactly 299,792,458 metres per second by definition.
- n. the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second
“Obviously no information could be transmitted faster than the speed of light itself, but the act of defining the nature of one photon instantaneously changed the nature of the other photon.”
“By varying the number of cycles initiated per second, or millisecond for that matter, "and Breslaw beamed with paternal fondness for the abilities of his development," the f.tl. drive receives the power it requires to exceed the speed of light by any multiple required.”
“Changeover occurred and the ship slipped into that otherness of reality that was space-plus, allowing it not to ignore or defy the speed of light but to avoid it.”
“There was Albert Michelson, who was to determine the speed of light with hitherto unknown precision; Jacques Loeb, the physiologist; Lloyd Morgan in sociology; there was a huge library, and a new journal of economics to edit.”
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