Help me understand this example about FTL = time travel
100690
Does superluminal travel imply travelling back in time?
47242
Time dilation due to change in speed
131128
Why time is considered a dimension?
93336
Understanding time crystals
95493
Post Endgame, how is the flow of time different?
131705
Relativity Of Simultaneity Confusion
100530
Why does time in Minkowski's space have the opposite sign of the space coordinates?
58503
Electrons moving faster than light and backward in time?
142518
How will the Twin Paradox become, for Time Dilation, if no acceleration was ever involved?
17450
Doesn't the end of Looper create a time paradox?
140576
Time reversal symmetry and T^2 = -1
91385
Does quantum mechanics allow faster than light (FTL) travel?
13786
A question in Special Relativity
125571
Practical time travel: time dilation above the event horizon
153901
How does time travel take into account the rotation/revolution of the Earth?
30683
$F=ma$ calculation taking relativity into account?
38482
What is $\Delta t$ in the time-energy uncertainty principle?