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 everything-list+unsubscr...@googlegroups.com. To post to this group, send email to everything-list@googlegroups.com. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/groups/opt_out.
