Nicely demonstrated, Brent, although I would say that one shouldn't talk about signals "going back in time", because that creates a false image of a second time in which signals travel through spacetime* - that isn't what happens, of course, in a block universe.
All that actually happens is that the past state of the photons is influenced by a future boundary condition. *and before we know it Edgar will be along to explain how the moving present contradicts it...! -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/groups/opt_out.
