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Old September 23rd 11, 10:30 PM posted to sci.astro,sci.math
Pentcho Valev
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Default WHAT IF FASTER-THAN-LIGHT TRAVEL IS POSSIBLE

Einstein's 1905 light postulate:

http://www.fourmilab.ch/etexts/einstein/specrel/www/ "...light is
always propagated in empty space with a definite velocity c which is
independent of the state of motion of the emitting body."

Clearly faster-than-light travel (of neutrinos) and the light
postulate are perfectly compatible. That is, neutrinos' speed could be
ten times greater than the light speed but this would not prevent
light from being "always propagated in empty space with a definite
velocity c which is independent of the state of motion of the emitting
body". Insofar as the fate of special relativity is concerned, the
neutrinos-faster-than-light hysteria is a red herring par excellence.
Relevant scenarios threatening special relativity are those in which
the fact that the speed of light does depend on the speed of the light
source or the observer is noticeable in some way, e.g. takes the form
of a Doppler shift measured by a moving observer.

Pentcho Valev