[who_would_fardels_bear]

This is one of the reasons why time travel is so problematic.

If a person were able to go back in time just a couple of seconds, the earth would be countless miles away from the point at which the person went back in time.

In order to go back in time and remain on earth you would also have to move a great distance through space as well.

This might mean that worm holes are the only "practical" method of space-time travel.

[Graybeard58]

This might mean that worm holes are the only “practical” method of space-time travel.

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A good flux capacitor helps too.

[Bikkuri]

“There IS no spoon”...