Can quantum entanglement effect be explained by a carrier particle traveling along spacetime geodesics with a zero time component? Or perhaps traveling along normal geodesics and then falling back in time along a time-like curve? Either of these essentially forms inifinite-speed motion of the carier particle, which would explain how entangled particles stay syncronized across large distances... EDIT: Hmm.. perhaps some sort of photon-tachion interaction could do the trick? A photon carying the information part of the way while moving forward in time (due to limited velocity, i.e. along the surface of a lightcone), then a tachion carying the information the rest of the way while moving backwards in time. Or maybe a zero energy tachion would do the trick on its own, since its speed is then infinite. But if it has zero energy, how can it carry any information?