It seems to me that time could run backward and it would not make any difference...

		pingou on Feb 17, 2025 \| parent \| context \| favorite \| on: Opposing arrows of time can theoretically emerge f... It seems to me that time could run backward and it would not make any difference to an observer, and the universe could alternate between running backward or forward and that would be the same to us, cause and effects would be reversed but it would only be visible to an outside observer, that has somehow time running in a different direction.

There's a Philip K Dick story that covers this type of thinking, "Your appointment will be yesterday".