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Is there any foreseeable technology which would facilitate the direct observation of the cosmic neutrino background?

Would the ability to warp spacetime have any application here?

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The IceCube South Pole Neutrino Observatory already reported the first observations of cosmic neutrinos last Noveember. In fact, it was deemed the biggest breakthrough of 2013. – David H Apr 19 '14 at 0:08
If we could accelerate to near the speed of light we would be able to detect it - Of course, that in itself is science fiction. – sashoalm Apr 21 at 3:35

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