related to this, I was under the impression ftl does not actually permit backwards time travel
Depends. Accelerating yourself faster than light is impossible. But folding/bending space and then travelling at below-FTL speeds in that warped space is completely possible. Thus - warp drive.
Depends. Accelerating yourself faster than light is impossible. But folding/bending space and then travelling at below-FTL speeds in that warped space is completely possible. Thus - warp drive.