an alternate reality where time travel is possible and history can be rewritten

impossibility wormhole paradox dimension doppelgangers multiverse spacetime teleportation anachronism retrocausality divergence reiteration coexistence timequake timeslip sequential pangalactic transdimensional idronautics vremeonautics alternate reality travel history rewritten future change temporal shift quantum flux relativity distortion transcend warp reversal manipulation delorean consequences peculiarities loop hypothetical speculation clock reversion parallels adjustment reboot