I don't really understand time travel, so my question may be totally off and there's probably already a thread addressing my question.
If one travels to the future or past how do we know that we don't materialize into a tree, a building or anything that occupies that space? Should we
start building designated "empty" areas, so time travelers can safely "land"?
Since nobody actually knows anything about how one would "reenter" normal time I don't feel too crazy dishing out a little speculation on the
matter. Theoretically, if you were in a time machine which I envision as having an instrument panel and a seat, the machine could vanish from current
space-time causing a collapse of the void where it once was and then push everything else away as it reentered. This would solve the minuscule
problem of a tree being in the way, but really not help anything but suffocation if you're buried in the core of a planet. Alternatively, a time
machine could be a device that takes up 3 square miles and can only send a naked human with no way of getting back home and a mission to save Sarah
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