• matthurtme@lemmy.world
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      42 minutes ago

      Exploring time travel reveals that backward travel to any point before a machine is constructed is theoretically prohibited, whether framed by the universe’s need to avoid paradoxes (such as Stephen Hawking’s Chronology Protection Conjecture) or by simple physical geometry (like the Earth’s movement through the galaxy)

    • matthurtme@lemmy.world
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      1 hour ago

      So the machine can still go through time with no electricity needed for the exit? Would the doors not be powered by electricity?

    • WhoIzDisIz@lemmy.today
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      17 hours ago

      “I… uh… Oh, yeah - of course I do!”

      Yanks handle, gets smacked in face, nose bleeds profusely…