>If synchronized clocks are a problem, I wonder why they don't race the neutrino against a photon. Obviously the photon would have to take a different path - ma

>If synchronized clocks are a problem, I wonder why they don't race the neutrino against a photon. Obviously the photon would have to take a different path - maybe bouncing off a satellite. how about just inside the fiber. How good is the ping between CERN and Gran Sasso ? :)