• Two ways we might test for (backwards) time travel

    From JTEM is my hero@21:1/5 to All on Mon Aug 21 21:13:43 2023
    First off, let me state right up front that a lot of this
    is philosophically based. It's more about your personal
    philosophy than science... which a lot of what you
    mistaken for science is.

    Best example: Abiogenesis

    Unsupported. Every last hypothesis which was capable
    of being tested has been falsified. It just plain doesn't
    meet the standards for science, as nothing can ever
    disprove it... it's always BELIEVED TO BE true no matter
    what...

    So personal philosophy matters here. If you believe in
    God then you don't need abiogenesis. If n your philosophy
    there is no room for a deity(s) then you need abiogenesis.

    So in my case I tend to believe that if something is possible
    then, given the age and vastness of the universe, it has
    happened.

    Remember the Hitchhiker's Guide to the Galaxy? I'm
    paraphrasing here but, "Nothing is impossible, merely
    improbable, and in an infinitely large universe everything
    has happened countless times."

    Anyway, so there's nothing in physics that absolutely
    positively rules out time travel. Which means, in my mind,
    it has to be taking place or it had to take place... will take
    place.

    If it's possible, and the universe is large enough and old
    enough, it's happened many times. Regardless of the odds
    against it. The opportunity is just so mind numbingly great
    that it has to be happening.

    THIS DOES NOT MEAN WE CAN EXPLOIT IT!

    It doesn't mean we can duplicate a natural time travel
    or use it ourselves. It doesn't even mean we can reach
    such a place or point in space. Things don't have to be
    accessible to us in order to exist.

    Okay, so maybe there's worm holes or other means to
    send something backwards in time -- TOTALLY NATURAL.

    How do we test for such a thing?

    Well. It all comes down to being able to date matter
    itself.

    Look. Matter is not immortal. Supposedly all matter will
    eventually crumble. So it may be possible to determine
    if one piece of matter is closer to reaching the point of
    decay than another -- i.e. one is older than the other.

    So the best way of "Proving" time travel, backwards time
    travel, is to figure out a way of dating matter itself, and
    then finding something that's too old.

    WE ALREADY KNOW HOW TO TRAVEL FORWARD IN
    TIME.

    Right? Time Dilation & all that jazz?

    What we want to find is matter that is older than the
    universe -- the older the better. Because if we can a
    meteorite in our hand that's 50 or 200 billion years
    older than the universe, that sort of requires it to have
    traveled backwards through time.

    So that's one way we could test for backwards time
    travel. The other is my recent example of tachyons.

    If tachyons exist, humans figure out a way of creating
    them at will, they could be created in patterns. And
    because they supposedly move backwards in time,
    these patterns can send information to the past.

    Morse Code. Binary Code. Whatever.

    This is guaranteed. If #1. tachyons and #2 we figure out
    a way of detecting them and #3 we figure out how to
    create them at will, messages will be sent into the past.

    It has to happen.




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    https://jtem.tumblr.com/post/726269948403564544

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