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What does E equal now? Good question. Maybe this is why neutrinos are so hard to capture and detect. By the numbers they gave it seems like they are seeing a difference of 0.0025% or 7200m/s difference. Seems like a lot, given how sensitive their instruments must be. But, as was pointed out, there haven't been any detected influxes of neutrinos ahead of supernovae, which is what would be expected if the neutrinos are faster. All seems pretty weird.