Light-Speed Spaceships Would Have Trouble Phoning Home

kalkulat@lemmy.world to Technology@lemmy.world – 238 points –
Light-Speed Spaceships Would Have Trouble Communicating, Spelling Bad News For Interstellar Travel
iflscience.com

Subspace is the answer of course!

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Gravity travels at c. The Alcubierre drive tried to use bubbles in spacetime to "bend the rules" in order to result in apparent >c velocities but recent simulations indicate the bubble becomes unstable when attempting to exceed c.

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