Quote:
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Originally Posted by antoniseb
Similarly, measuring the arrival time of 100TeV photons versus MeV photons from the short GRBs could tell us something about LQG. This might be harder to measure, since we don't yet have very directional detectors for the higher energy range photons.
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I believe that
GLAST will try to measure the difference in speed between higher- and lower-frequency gamma rays from really distant GRBs.
"radiation from distant cosmic explosions called gamma-ray bursts might provide a way to test whether the theory of loop quantum gravity is correct.... The discrete nature of space causes higher-energy gamma rays to travel slightly faster than lower-
energy ones.... The GLAST satellite, which is scheduled to be launched in 2005 (sic), will have the required sensitivity for this experiment."