Why does faster than light travel violate causality?

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The way I think I understand it, even if we had some “element 0” like in mass effect to keep a starship from reaching unmanageable mass while accelerating, faster than light travel still wouldn’t be possible because you’d be violating causality somehow, but every explanation I’ve read on why leaves me bamboozled.

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Anonymous 0 Comments

The faster you go, the slower time goes.

We have proven this with clocks on space ships.

If you go as fast as you possibly can, time stands still.

If you go faster than as fast as you possibly can, you go back in time.

Going back in time violates causality. You can go forward in time as much as you want, but you can’t go backwards

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