Also, it violates pretty much every known law of physics.
Backwards time travel is theoretically possible by several different methods using general relativity.
800 billion wondering why they can't find the sermon no doubt...It cannot be possible.
If it was possible we'd already know because time travelers would be amongst us or there would be 800 billion people at the Sermon on the Mount.
Also, it violates pretty much every known law of physics.
Those cavaets out of the way, yeah why not?