(August 21, 2016 at 12:56 am)Arkilogue Wrote:(August 21, 2016 at 12:53 am)ScienceAf Wrote: Yeah, 4D is just another movement through time. How can we define going "fowards" in time when we have only observed one form.It's easiest to observe in a tree that is growing outwards in all directions, that is it's singular "forwards" directional motion of growth through time. It does not reverse directions.
Just like the earth does not reverse directions in orbit.
Time has specific trajectory.
Well thought, informal.