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  • Do we all move thru 4D spacetime at the speed of light or the speed of

    From Ilya Kraskov@21:1/5 to All on Sat Aug 14 20:40:49 2021
    XPost: sci.physics.relativity, sci.med.physics

    Do we move through 4D spacetime at the speed of light or do we all move at
    the speed of light times the square root of minus one?

    This article says we move through the temporal component of 4D spacetime at
    the speed of light times the square root of minus one (aka c times i). <https://math.ucr.edu/home/baez/physics/Relativity/GR/gravity.html>

    However, all these say we move through 4D spacetime at the speed of light. <https://medium.com/predict/we-all-travel-through-spacetime-at-the-speed-of-light-d60cb389dfc2>
    <http://backreaction.blogspot.com/2020/08/do-we-really-travel-through-time-with.html>
    <https://youtu.be/k73psdcmzEY>
    <https://youtu.be/au0QJYISe4c>
    <https://youtu.be/xYEcs9fOZy4>
    <https://youtu.be/msVuCEs8Ydo> <https://www.quora.com/What-speed-do-we-travel-through-spacetime> <https://www.quora.com/Does-everything-travel-at-the-speed-of-light-in-spacetime>
    etc

    Notice there is no mention of the square root of minus one in those above.

    Do we move through the temporal component of 4d spacetime at the speed of
    light or do we move at the speed of light times the square root of -1?
    --
    Doveryay, no proveryay.

    --- SoupGate-Win32 v1.05
    * Origin: fsxNet Usenet Gateway (21:1/5)
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