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  • If string theory is right, why hasn't LIGO detected gravity waves from

    From RichA@21:1/5 to All on Sun Mar 26 02:45:51 2023
    Sting theory proposes that our universe is 2 dimensional, on a brane. Nothing physical can escape the brane so it's impossible to see, detect another universe on a brane, even if it's just 2mm from ours. However, gravity may be the one thing that can
    escape a brane. If so, then you'd have expected something like LIGO to have detected gravity waves from adjacent branes since they virtually occupy the same area. Also, you'd have expected gravity events in the other universe to have literally impacted
    Earth in some way, given their proximity to us.

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  • From Gary Harnagel@21:1/5 to RichA on Mon Mar 27 03:25:47 2023
    On Sunday, March 26, 2023 at 2:45:53 AM UTC-6, RichA wrote:

    Sting theory proposes that our universe is 2 dimensional, on a brane. Nothing physical can escape the brane so it's impossible to see, detect another universe on a brane, even if it's just 2mm from ours. However, gravity may be the one thing that can
    escape a brane. If so, then you'd have expected something like LIGO to have detected gravity waves from adjacent branes since they virtually occupy the same area. Also, you'd have expected gravity events in the other universe to have literally impacted
    Earth in some way, given their proximity to us.

    One reason might be that the strength of gravity exponentially decays into other brains. I believe Lisa Randall and others work from that assumption.

    https://en.wikipedia.org/wiki/Lisa_Randall

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  • From RichA@21:1/5 to Gary Harnagel on Tue Mar 28 16:14:21 2023
    On Monday, 27 March 2023 at 06:25:49 UTC-4, Gary Harnagel wrote:
    On Sunday, March 26, 2023 at 2:45:53 AM UTC-6, RichA wrote:

    Sting theory proposes that our universe is 2 dimensional, on a brane. Nothing physical can escape the brane so it's impossible to see, detect another universe on a brane, even if it's just 2mm from ours. However, gravity may be the one thing that can
    escape a brane. If so, then you'd have expected something like LIGO to have detected gravity waves from adjacent branes since they virtually occupy the same area. Also, you'd have expected gravity events in the other universe to have literally impacted
    Earth in some way, given their proximity to us.
    One reason might be that the strength of gravity exponentially decays into other brains. I believe Lisa Randall and others work from that assumption.

    https://en.wikipedia.org/wiki/Lisa_Randall

    Ah, too bad then. First person to test string theory, or something adjacent and gets a positive result of it gets a Nobel. Detection of a super-particle would suffice.

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