I recently was told that we know there’s only one time dimension because otherwise we’d pivot between different dimensions of time, as we are able to do in space. But I still don’t understand, other than paradoxes and causality, why we can’t move backwards in time.
Even on a 1D spatial plane [edit to say yes… a line, not a plane.] we would be able to move forwards and backwards.
But we can’t with time. Why?
In: Physics
Relativity. It’s the laziest way I can say it. You put a dot on a one-dimensional line and it can move forward and backward as much as it wants. As soon as you put a second dot on that line, the second dot can go forward as much as it wants, but can’t go back beyond the first dot.
Our bodies, and everything around us, are constantly changing. You’re unable to reverse these changes by simply moving differently.
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