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thenewmans

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So when an entangled photon is measured, nothing happens superluminally. Instead, the pilot wave travels backwards through time along the same path as the photon and at the same speed. When it reaches the time and place of the origin of the entangled photons, the spin gets set. In the case of electrons, the pilot wave travels at the same speed as the electron but in the opposite direction through time and space.

To think about this relativisticly, if the measurements of entangled photons are out outside of each other’s light cones, then there’s no way to determine which measurement came first. Both measurements cause a pilot wave to return back to the origin and they reach the origin at the same time, which is when the photons were emitted.

Some think of positrons as electrons traveling backwards through time. Feynman used retrocausality in his diagrams. You don’t know what will happen to that positron in the future without measuring it. So the system stays deterministic. The same can be said about the pilots as well. So if I have this right, this modified Bohm interpretation keeps both locality and causality.