closed timelike curves


  1. Thomas R Morrison

    Time, Time Travel, and Closed Timelike Curves

    These time-related topics came up in The Extraterrestrial Hypothesis : Fact and Fallacy thread because I think it’s likely that most ufos are genuine spacetime vehicles. If they’re exploiting a gravitational field propulsion system, which very much appears to be the case, then that’s spacetime...
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