That is why one must also consider the relative dimensions in space when constructing a time machine…

There is a short movie about time travel where they go a few hours or so into the past and end up somewhere else in the neighborhood

Sirens of Titan by Kurt Vonnegut touches on this subject. It’s a fun read.

Spacetime machine just doesn’t have the same ring to it

Entanglement takes care of everything…

: p