Not any faster than normal.

an electron emitting a photon

More on the “are neutrinos faster than light or not” debate.

A rival experiment to the original OPERA one that found the neutrinos going faster than light – which since has been found to be doubtful, see previous post – called ICARUS (these physicists do seem to like a good acronym) has recorded neutrinos travelling from CERN in Switzerland going as fast as light, but no faster. Link to news report here.

Phew. That was a rather ungainly sentence. But we can all rest easy knowing that the special theory of relativity still holds. For now.

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