Ask a Physicist: Do faster than light neutrinos let you change the past?

Good news, everyone! My latest column is up: Do faster than light neutrinos let you change the past? It’s essentially a less technical version of the article I wrote here a few days ago in which we explore the inner workings of Tolman’s Paradox.

If you want to make your own spacetime diagrams, I’ve written a really awesome python code for doing so. A sample program is here.

Oh, and if this is your first time visiting from io9, welcome!

-Dave

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One Response to Ask a Physicist: Do faster than light neutrinos let you change the past?

  1. Albie says:

    If it is assumed that neutrinos can travel faster than the speed of light, does that not imply that the current model for the theory of special relativity would also have to change? If that is the case, would using the current accepted model of special relativity to present a scenario where signals are sent into the past not result in an invalid scenario, because the incorrect model of special relativity is applied in order to make the paradox work?

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