On 23 Sep 2011, at 15:30, Terry Blanton wrote: > Don't bury Einstein yet: > > http://www.newscientist.com/article/dn20957-dimensionhop-may-allow-neutrinos-to-cheat-light-speed.html > > "Sher also mentions a third option: that the measurement is correct. > Some theories posit that there are extra, hidden dimensions beyond the > familiar four (three of space, one of time). It's possible that the > speedy neutrinos tunnel through these extra dimensions, reducing the > distance they have to travel to get to the target. This would explain > the measurement without requiring the speed of light to be broken." > > Those neutrinos probably knew a short cut in the other 6 dimensions. :-)
That's looking less and less lightly. There's no other evidence for anything other than a 3+1 dimensional universe. Supersymmetry is looking like it's not going to deliver the Higgs, and we've seen no other super-partners yet. This means that we're not likely in a super-gravity regime, and so 11D is out, and 10D hasn't been delivered by String theory yet either. If there's a Kaluza Klein regime anywhere, I doubt that this would be the first signal of it. Joe
