But what if they are faster than light? : Quantum Diaries

But until we get the results of OPERA’s proposed studies we can’t say for sure that their measurement is right or wrong. Suppose that they reduce the lead time of the neutrinos from 60ns to 40ns. That would still be a problem for special relativity! So let’s investigate how we can get faster than light neutrinos in special relativity, before we no longer have the luxury of an exciting result to play with.

AFAICT, no one knows if the OPERA corrections for the cable problem will drop the CERN neutrinos below the speed of light. This post takes a fun look at how it could be that photons might not travel as fast as is physically possible, and why neutrinos might.

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