• physicists cannot agree on how the Universe works

    From Jan Panteltje@alien@comet.invalid to sci.physics,sci.astro,sci.electronics.design on Sun Sep 13 15:02:34 2026
    From Newsgroup: sci.physics

    From:
    https://www.sciencedaily.com/releases/2026/09/260912220041.htm

    Physicists canrCOt agree on how the Universe works
    Date:
    September 13, 2026
    Source:
    University of Waterloo and Perimeter Institute
    Summary:
    A massive worldwide survey of physicists has revealed surprisingly little
    agreement about some of the universerCOs biggest mysteries.
    No majority backed the standard cosmological model, a leading explanation for
    dark matter, or any single theory of quantum gravity.
    One area of stronger agreement stood out: 68% said the Big Bang does not
    necessarily represent the beginning of time.
    Researchers say the divisions show just how alive and unsettled the frontiers
    of physics remain.

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  • From Bill Sloman@bill.sloman@ieee.org to sci.physics,sci.astro,sci.electronics.design on Mon Sep 14 01:10:36 2026
    From Newsgroup: sci.physics

    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    https://www.sciencedaily.com/releases/2026/09/260912220041.htm

    Physicists canrCOt agree on how the Universe works
    Date:
    September 13, 2026
    Source:
    University of Waterloo and Perimeter Institute
    Summary:
    A massive worldwide survey of physicists has revealed surprisingly little
    agreement about some of the universerCOs biggest mysteries.
    No majority backed the standard cosmological model, a leading explanation for
    dark matter, or any single theory of quantum gravity.
    One area of stronger agreement stood out: 68% said the Big Bang does not
    necessarily represent the beginning of time.
    Researchers say the divisions show just how alive and unsettled the frontiers
    of physics remain.

    Physics is science - not religion. It's theories fit the facts we know
    about. We haven't got any theory of quantum gravity yet, nor any
    evidence that gravity is quantised.
    --
    Bill Sloman, Sydney


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  • From Lane W@cactus_DAC@yahoo.com to sci.physics,sci.astro,sci.electronics.design on Sun Sep 13 09:16:00 2026
    From Newsgroup: sci.physics

    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    -a https://www.sciencedaily.com/releases/2026/09/260912220041.htm

    Physicists canrCOt agree on how the Universe works
    Date:
    -a September 13, 2026
    Source:
    -a University of Waterloo and Perimeter Institute
    Summary:
    -a A massive worldwide survey of physicists has revealed surprisingly
    little
    -a agreement about some of the universerCOs biggest mysteries.
    -a No majority backed the standard cosmological model, a leading
    explanation for
    -a dark matter, or any single theory of quantum gravity.
    -a One area of stronger agreement stood out: 68% said the Big Bang does
    not
    -a necessarily represent the beginning of time.
    -a Researchers say the divisions show just how alive and unsettled the
    frontiers
    -a of physics remain.

    Physics is science - not religion. It's theories fit the facts we know about. We haven't got any theory of quantum gravity yet, nor any
    evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some
    way, it is notable because it is instantaneous. Zero time passes before
    its effects take place.
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  • From Jan Panteltje@alien@comet.invalid to sci.physics,sci.astro,sci.electronics.design on Sun Sep 13 15:29:55 2026
    From Newsgroup: sci.physics

    Lane W <cactus_DAC@yahoo.com>wrote:
    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    -a https://www.sciencedaily.com/releases/2026/09/260912220041.htm

    Physicists canrCOt agree on how the Universe works
    Date:
    -a September 13, 2026
    Source:
    -a University of Waterloo and Perimeter Institute
    Summary:
    -a A massive worldwide survey of physicists has revealed surprisingly
    little
    -a agreement about some of the universerCOs biggest mysteries.
    -a No majority backed the standard cosmological model, a leading
    explanation for
    -a dark matter, or any single theory of quantum gravity.
    -a One area of stronger agreement stood out: 68% said the Big Bang does >>> not
    -a necessarily represent the beginning of time.
    -a Researchers say the divisions show just how alive and unsettled the
    frontiers
    -a of physics remain.

    Physics is science - not religion. It's theories fit the facts we know
    about. We haven't got any theory of quantum gravity yet, nor any
    evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some >way, it is notable because it is instantaneous. Zero time passes before
    its effects take place.

    Gravity propages at the speed of light according to 'science':
    https://duckduckgo.com/?q=speed+of+gravity%3

    I personally go for the Sage theory of gravity:
    https://en.wikipedia.org/wiki/Le_Sage%27s_theory_of_gravitation

    It seems likely gravity and EM radiation is a state of the same particle,
    that explains most of the problems, including internal heating of the planets, gravitational lensing too.
    And if you start thinking very dense stuff like 'black holes' emitting those
    Le Sage particles and normal matter, then you have a source for gravity and light and galaxies and dark matter ..
    Simple!
    Am I right? I dunno, but it is a simple model that so far works for me to understand stuff.





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  • From Simon Simple@nothanks@nottoday.co.uk to sci.physics,sci.astro,sci.electronics.design on Sun Sep 13 17:09:37 2026
    From Newsgroup: sci.physics

    On 13/09/2026 16:16, Lane W wrote:

    <xxxx>

    However, if you are looking for evidence that gravity is special in some way, it is notable because it is instantaneous. Zero time passes before
    its effects take place.

    That's not true.
    --
    SS
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  • From Bill Sloman@bill.sloman@ieee.org to sci.physics,sci.astro,sci.electronics.design on Mon Sep 14 03:59:49 2026
    From Newsgroup: sci.physics

    On 14/09/2026 1:16 am, Lane W wrote:
    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    -a https://www.sciencedaily.com/releases/2026/09/260912220041.htm

    Physicists canrCOt agree on how the Universe works
    Date:
    -a September 13, 2026
    Source:
    -a University of Waterloo and Perimeter Institute
    Summary:
    -a A massive worldwide survey of physicists has revealed surprisingly
    little
    -a agreement about some of the universerCOs biggest mysteries.
    -a No majority backed the standard cosmological model, a leading
    explanation for
    -a dark matter, or any single theory of quantum gravity.
    -a One area of stronger agreement stood out: 68% said the Big Bang
    does not
    -a necessarily represent the beginning of time.
    -a Researchers say the divisions show just how alive and unsettled the
    frontiers
    -a of physics remain.

    Physics is science - not religion. It's theories fit the facts we know
    about. We haven't got any theory of quantum gravity yet, nor any
    evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some way, it is notable because it is instantaneous. Zero time passes before
    its effects take place.

    Except that it isn't. Gravitational waves seem to travel at the same
    speed as light. There's at least one observation that shows them to
    equal to on part in 10^15.

    https://physics.stackexchange.com/questions/622729/did-ligo-measurements-prove-that-the-speed-of-gravity-equals-the-speed-of-light
    --
    Bill Sloman, Sydney
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  • From Johann 'Myrkraverk' Oskarsson@johann@myrkraverk.invalid to sci.physics,sci.astro,sci.electronics.design on Mon Sep 14 02:59:27 2026
    From Newsgroup: sci.physics

    On 13/09/2026 11:16 PM, Lane W wrote:
    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    -a https://www.sciencedaily.com/releases/2026/09/260912220041.htm

    Physicists canrCOt agree on how the Universe works
    Date:
    -a September 13, 2026
    Source:
    -a University of Waterloo and Perimeter Institute
    Summary:
    -a A massive worldwide survey of physicists has revealed surprisingly
    little
    -a agreement about some of the universerCOs biggest mysteries.
    -a No majority backed the standard cosmological model, a leading
    explanation for
    -a dark matter, or any single theory of quantum gravity.
    -a One area of stronger agreement stood out: 68% said the Big Bang
    does not
    -a necessarily represent the beginning of time.
    -a Researchers say the divisions show just how alive and unsettled the
    frontiers
    -a of physics remain.

    Physics is science - not religion. It's theories fit the facts we know
    about. We haven't got any theory of quantum gravity yet, nor any
    evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some way, it is notable because it is instantaneous. Zero time passes before
    its effects take place.

    That seems to indicate it's /already there/ when any given measurement
    starts. Do you think gravity is prescient?

    And some of the nay-sayers claim gravity travels at the speed of light-
    ish. I don't believe them, either.

    And there are some more gaps in the standard theories about gravity, but
    I'll let the nay-sayers guess those. After all, I don't have to teach
    them anything.
    --
    Johann | email: invalid -> com | http://www.myrkraverk.com/blog/
    I'm not from the Internet, I just work there. | via Easynews.com https://bsky.app/profile/myrkraverk.bsky.social | for ( ;; ) _:;
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  • From Phil Hobbs@pcdhSpamMeSenseless@electrooptical.net to sci.electronics.design,sci.physics,sci.astro on Sun Sep 13 19:22:21 2026
    From Newsgroup: sci.physics

    Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> wrote:
    On 13/09/2026 11:16 PM, Lane W wrote:
    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    -a https://www.sciencedaily.com/releases/2026/09/260912220041.htm

    Physicists canrCOt agree on how the Universe works
    Date:
    -a September 13, 2026
    Source:
    -a University of Waterloo and Perimeter Institute
    Summary:
    -a A massive worldwide survey of physicists has revealed surprisingly >>>> little
    -a agreement about some of the universerCOs biggest mysteries.
    -a No majority backed the standard cosmological model, a leading
    explanation for
    -a dark matter, or any single theory of quantum gravity.
    -a One area of stronger agreement stood out: 68% said the Big Bang
    does not
    -a necessarily represent the beginning of time.
    -a Researchers say the divisions show just how alive and unsettled the >>>> frontiers
    -a of physics remain.

    Physics is science - not religion. It's theories fit the facts we know
    about. We haven't got any theory of quantum gravity yet, nor any
    evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some
    way, it is notable because it is instantaneous. Zero time passes before
    its effects take place.

    That seems to indicate it's /already there/ when any given measurement starts. Do you think gravity is prescient?

    And some of the nay-sayers claim gravity travels at the speed of light-
    ish. I don't believe them, either.

    And there are some more gaps in the standard theories about gravity, but
    I'll let the nay-sayers guess those. After all, I don't have to teach
    them anything.

    Feynman was once asked how long it would take for the effects to arrive if
    the sun disappeared.

    He is said to have replied, rCLgo ahead and try it!rCY

    (Feynman stories are like Patton or Montgomery storiesrCoyou have to remember that they were all furiously building legends around themselves.)

    And the reason physicists canrCOt agree is that werCOre disagreeable. ;)

    Cheers

    Phil Hobbs
    --
    Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC / Hobbs ElectroOptics Optics, Electro-optics, Photonics, Analog Electronics
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  • From =?UTF-8?B?Q8OzaWzDrW4=?= =?UTF-8?B?IE5pb2Nsw6Fzw61u?= =?UTF-8?B?IEdsb3N0w6lpcg==?=@thanks-to@Taf.com to sci.electronics.design,sci.physics,sci.astro on Sun Sep 13 19:54:02 2026
    From Newsgroup: sci.physics

    It is fair for beliefs about mysteries to be different.

    More than 21 years ago various persons traveled for a physics talk. A
    senior physicist asked a student in this hosting country about what
    she was studying. She said that she was taking lectures on quantum
    gravity, so this senior physicist said to her that there is not a
    theory of quantum gravity.

    (S. HTTP://Gloucester.Insomnia247.NL/ fuer Kontaktdaten!)
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  • From Lane W@cactus_DAC@yahoo.com to sci.physics,sci.astro,sci.electronics.design on Mon Sep 14 12:32:14 2026
    From Newsgroup: sci.physics

    Jan Panteltje wrote:
    Lane W <cactus_DAC@yahoo.com>wrote:
    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    |e-a https://www.sciencedaily.com/releases/2026/09/260912220041.htm

    Physicists can|ore4raot agree on how the Universe works
    Date:
    |e-a September 13, 2026
    Source:
    |e-a University of Waterloo and Perimeter Institute
    Summary:
    |e-a A massive worldwide survey of physicists has revealed surprisingly >>>> little
    |e-a agreement about some of the universe|ore4raos biggest mysteries.
    |e-a No majority backed the standard cosmological model, a leading
    explanation for
    |e-a dark matter, or any single theory of quantum gravity.
    |e-a One area of stronger agreement stood out: 68% said the Big Bang does >>>> not
    |e-a necessarily represent the beginning of time.
    |e-a Researchers say the divisions show just how alive and unsettled the >>>> frontiers
    |e-a of physics remain.

    Physics is science - not religion. It's theories fit the facts we know
    about. We haven't got any theory of quantum gravity yet, nor any
    evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some
    way, it is notable because it is instantaneous. Zero time passes before
    its effects take place.

    Gravity propages at the speed of light according to 'science':
    https://duckduckgo.com/?q=speed+of+gravity%3

    I maintain that this is still remarkable. Light only travels at light speed

    - through a void

    - if it is not blocked by an obstacle

    Clearly, gravity doesn't suffer the same visual restrictions.

    Note, it's not gravity travels at light speed minus a small constant, it's

    - gravity travels at exactly light speed, no less

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  • From Jeff Liebermann@jeffl@cruzio.com to sci.physics,sci.astro,sci.electronics.design on Mon Sep 14 12:13:47 2026
    From Newsgroup: sci.physics

    On Mon, 14 Sep 2026 12:32:14 -0600, Lane W <cactus_DAC@yahoo.com>
    wrote:

    Jan Panteltje wrote:
    Lane W <cactus_DAC@yahoo.com>wrote:
    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    -a https://www.sciencedaily.com/releases/2026/09/260912220041.htm

    Physicists canrCOt agree on how the Universe works
    Date:
    -a September 13, 2026
    Source:
    -a University of Waterloo and Perimeter Institute
    Summary:
    -a A massive worldwide survey of physicists has revealed surprisingly >>>>> little
    -a agreement about some of the universerCOs biggest mysteries.
    -a No majority backed the standard cosmological model, a leading
    explanation for
    -a dark matter, or any single theory of quantum gravity.
    -a One area of stronger agreement stood out: 68% said the Big Bang does >>>>> not
    -a necessarily represent the beginning of time.
    -a Researchers say the divisions show just how alive and unsettled the >>>>> frontiers
    -a of physics remain.

    Physics is science - not religion. It's theories fit the facts we know >>>> about. We haven't got any theory of quantum gravity yet, nor any
    evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some >>> way, it is notable because it is instantaneous. Zero time passes before
    its effects take place.

    Gravity propages at the speed of light according to 'science':
    https://duckduckgo.com/?q=speed+of+gravity%3

    I maintain that this is still remarkable. Light only travels at light speed

    - through a void

    - if it is not blocked by an obstacle

    Clearly, gravity doesn't suffer the same visual restrictions.

    Note, it's not gravity travels at light speed minus a small constant, it's

    - gravity travels at exactly light speed, no less


    "Scientists Have Slowed Light Down To An Embarrassing 38 Miles Per
    Hour" <https://www.iflscience.com/scientists-have-slowed-light-down-to-an-embarrassing-38-miles-per-hour-75894>
    <https://www.nature.com/articles/17561>
    --
    Jeff Liebermann jeffl@cruzio.com
    PO Box 272 http://www.LearnByDestroying.com
    Ben Lomond CA 95005-0272 AE6KS 831-336-2558

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  • From liz@liz@poppyrecords.invalid.invalid (Liz Tuddenham) to sci.physics,sci.astro,sci.electronics.design on Mon Sep 14 21:51:49 2026
    From Newsgroup: sci.physics

    Jeff Liebermann <jeffl@cruzio.com> wrote:

    [.]]]
    "Scientists Have Slowed Light Down To An Embarrassing 38 Miles Per
    Hour"

    It would be even slower if they sent it through central London.
    --
    ~ Liz Tuddenham ~
    (Remove the ".invalid"s and add ".co.uk" to reply)
    www.poppyrecords.co.uk
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  • From Thomas 'PointedEars' Lahn@PointedEars@web.de to sci.physics,sci.astro,sci.electronics.design on Tue Sep 15 04:17:59 2026
    From Newsgroup: sci.physics

    Lane W wrote in sci.physics, sci.astro, sci.electronics.design:

    [*facepalm*]

    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    -a https://www.sciencedaily.com/releases/2026/09/260912220041.htm

    Physicists canrCOt agree on how the Universe works
    [...]
    Physics is science - not religion. It's theories fit the facts we know
    about. We haven't got any theory of quantum gravity yet, nor any
    evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some way, it is notable because it is instantaneous. Zero time passes before
    its effects take place.

    First of all, there is no "gravity"; strike that term from your physics vocabulary. The correct term is _gravitation_, and it is an effect itself.

    Second, you are wrong.

    If gravitation would properly be described as the consequence of a force
    that is acting instantaneously at a distance as Newton's theory indicated to some (Newton himself was not convinced of that; to him it sufficed that his theory worked, and he famously refused to make [up] hypotheses as to how or
    why ["hypotheses non fingo"]), then this would violate causality. And
    example that shows this is a thought experiment in which Sol suddenly disappearing: an observer passing by the Sol System would see the planets
    and other Sol System objects suddenly propagating outwards in straight lines even though they would be oblivious to the fact that Sol would have
    disappeared because the still see light that Sol emitted before.

    General relativity resolves this problem and other problems of Newton's
    theory by postulating that gravitation is not the consequence of a force,
    but _a_ consequence of the curvature of spacetime, and that changes in spacetime curvature would not propagate faster than c, but exactly at c. Supporting evidence for that assumption is the measured phase speed of gravitational waves that are emitted when the change in spacetime curvature
    is not spherically symmetric, so especially when two objects with large
    masses are in a close orbit around each other, like two black holes or two neutron stars before they merge.

    Veritasium: There Is Something Faster Than Light <https://youtu.be/NIk_0AW5hFU?si=NcJOIWKvsCkjtjZo&start=57&end=187>

    Also contained in my public playlist "General Relativity": <https://www.youtube.com/playlist?list=PL41EYJuJ5YuDn3d13ryZwpzGBXewXa9AH>

    F'up2 <news:sci.physics>
    --
    PointedEars

    Twitter: @PointedEars2
    Please do not cc me. / Bitte keine Kopien per E-Mail.
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  • From Thomas 'PointedEars' Lahn@PointedEars@web.de to sci.electronics.design,sci.physics,sci.astro on Tue Sep 15 04:26:43 2026
    From Newsgroup: sci.physics

    C||il|!n Niocl|is|!n Glost|-ir wrote:
    It is fair for beliefs about mysteries to be different.

    Science is not a belief system. Scientists do not believe in the things
    that they consider correct.

    More than 21 years ago various persons traveled for a physics talk. A
    senior physicist asked a student in this hosting country about what
    she was studying. She said that she was taking lectures on quantum
    gravity, so this senior physicist said to her that there is not a
    theory of quantum gravity.

    Science is not a dead body of knowledge that we accept because our forebears told us so; it is an ongoing process of obtaining knowledge. What was considered correct in the past need not be considered correct later when new information has been obtained. Physics is a science. Therefore, what a physicist, senior or not, said or did not say 21 years ago is merely of historical interest.
    --
    PointedEars

    Twitter: @PointedEars2
    Please do not cc me. / Bitte keine Kopien per E-Mail.
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  • From Thomas 'PointedEars' Lahn@PointedEars@web.de to sci.physics,sci.astro,sci.electronics.design on Tue Sep 15 04:48:28 2026
    From Newsgroup: sci.physics

    Lane W wrote in sci.physics, sci.astro, sci.electronics.design:
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    [*facepalm*]

    Jan Panteltje wrote:
    However, if you are looking for evidence that gravity is special in some >>> way, it is notable because it is instantaneous. Zero time passes before
    its effects take place.

    Gravity propages at the speed of light according to 'science':
    https://duckduckgo.com/?q=speed+of+gravity%3

    "We all have susceptibility to bias. Search engines on the Internet are
    /the epitome/ of confirmation bias. And you're gonna use /that/ as
    evidence that you're /correct?/ /No./"

    --Neil deGrasse Tyson, astrophysicist and science communicator
    (in his "MasterClass" trailer,
    <https://www.youtube.com/watch?v=io6QdGcoWMU&t=1m12s>)
    I maintain that this is still remarkable. Light only travels at light speed

    - through a void

    - if it is not blocked by an obstacle

    First of all, read what you wrote: You are effectively claiming that it is possible for light to not propagate at its own speed. I hope you can agree that your statement is ridiculous nonsense.

    Instead, the speed of light varies: it depends on the properties of the
    space through which it is propagating. The (local) _phase_ speed of light
    is largest and constant in an ideal _vacuum_ (NOT: "void"); _that_ speed is denoted c (formerly, creC).[1] (It is then also the same in all inertial reference frames, which special relativity was originally based on.) If the space through which it propagates contains an optical medium, its phase
    speed can be greater than or less than c.

    [1] <https://www.bipm.org/en/measurement-units/si-defining-constants>

    The case where it is less than c in an optical medium is more common.
    However, the correct explanation for that is NOT that the light is blocked,
    but that it puts the electrically charged particles of that medium into
    motion which causes them to generate their own light, and the interference
    of them produces light with a smaller phase speed than c.

    Finally, light is a quantum-mechanical phenomenon and thus never fully
    blocked. There is always a non-zero probability for it to propagate through
    a barrier.

    See also my public YouTube playlist "Optics":

    <https://www.youtube.com/playlist?list=PL41EYJuJ5YuB5ONdcygjVfoPBiMv5CRqC>
    Clearly, gravity doesn't suffer the same visual restrictions.

    _Gravitation_
    Note, it's not gravity travels at light speed minus a small constant, it's

    - gravity travels at exactly light speed, no less

    Gravitational effects should, and "gravitational" waves apparently do, propagate at c instead.

    F'up2 <news:sci.physics>
    --
    PointedEars

    Twitter: @PointedEars2
    Please do not cc me. / Bitte keine Kopien per E-Mail.
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  • From Jan Panteltje@alien@comet.invalid to sci.physics,sci.astro,sci.electronics.design on Tue Sep 15 08:19:23 2026
    From Newsgroup: sci.physics

    Lane W <cactus_DAC@yahoo.com>wrote:
    Jan Panteltje wrote:
    Lane W <cactus_DAC@yahoo.com>wrote:
    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    |e-a https://www.sciencedaily.com/releases/2026/09/260912220041.htm

    Physicists can|ore4raot agree on how the Universe works
    Date:
    |e-a September 13, 2026
    Source:
    |e-a University of Waterloo and Perimeter Institute
    Summary:
    |e-a A massive worldwide survey of physicists has revealed surprisingly >>>>> little
    |e-a agreement about some of the universe|ore4raos biggest mysteries. >>>>> |e-a No majority backed the standard cosmological model, a leading
    explanation for
    |e-a dark matter, or any single theory of quantum gravity.
    |e-a One area of stronger agreement stood out: 68% said the Big Bang does >>>>> not
    |e-a necessarily represent the beginning of time.
    |e-a Researchers say the divisions show just how alive and unsettled the >>>>> frontiers
    |e-a of physics remain.

    Physics is science - not religion. It's theories fit the facts we know >>>> about. We haven't got any theory of quantum gravity yet, nor any
    evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some >>> way, it is notable because it is instantaneous. Zero time passes before
    its effects take place.

    Gravity propages at the speed of light according to 'science':
    https://duckduckgo.com/?q=speed+of+gravity%3

    I maintain that this is still remarkable. Light only travels at light speed

    - through a void

    - if it is not blocked by an obstacle

    Clearly, gravity doesn't suffer the same visual restrictions.

    Note, it's not gravity travels at light speed minus a small constant, it's

    - gravity travels at exactly light speed, no less

    Yes, good point, I wonder how they measured (or concluded) gravity moves at the speed of light,
    that would need an experiment using stuff (electronics for example and light that does travel at that speed
    Bit circular reasoning.

    But (as I think maybe the case) if light (EM radiation) is a 'state' of Le Sage particles, then all you need to 'stop' light is change the state of those LS particles,
    most matter can do that (by interacting with the EM field, glass a bit less for some frequencies...

    Also Le Sage explains clocks slowing down near a big object (like earth for example) as then more Le Sage particles are intercepted, 'matter' gets less compressed, the 'pendulum becomes 'longer', and 'time', slows down.
    There must be a point where an object is so dense, big, heavy that all Le Sage particles are intercepted
    That gets rid of the divide by zero mamaticians like to try all the time,
    and cover it up with re-normalization.
    Making light is in Le Sage case nothing but adding some effect (state change) to the Le Sage particles, so simple.

    Whatever way you look for all things, we need a 'mechanism' to understand and explain all this stuff.
    An example:
    Ohm's law.
    No current in a vacuum (infinite resistance).
    But then came the vacuum radio tube, was invented, and there WAS a current in the vacuum, specifically electrons flowing, violating Ohm's law.

    In the same way gravity without LS particles or something is nothing but useless
    babble,
    There was this guy albert who was into it, and many still parrot his formulas space is curved and bla bla bla.
    Bit like this:
    https://www.dailymotion.com/video/x8u8twm

    I did read Feynman objected to Le Sage, but he used simple particles like stones in his model.
    Even electrons are very complex and we do not know much about those.
    Same for Le Sage particles..
    Not a few weeks go by without CERN finding new things that conflict with what we know so far about elementary particles.
    I see on https://www.sciencedaily.com

    So, a MECHANISM is needed, without that ? nothing, kein stein.
    I am open to anything better than Le Sage
    So far have not seen any.





    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Jan Panteltje@alien@comet.invalid to sci.physics,sci.astro,sci.electronics.design on Tue Sep 15 08:26:21 2026
    From Newsgroup: sci.physics

    Jeff Liebermann <jeffl@cruzio.com>wrote:
    On Mon, 14 Sep 2026 12:32:14 -0600, Lane W <cactus_DAC@yahoo.com>
    wrote:

    Jan Panteltje wrote:
    Lane W <cactus_DAC@yahoo.com>wrote:
    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    -a https://www.sciencedaily.com/releases/2026/09/260912220041.htm

    Physicists canrCOt agree on how the Universe works
    Date:
    -a September 13, 2026
    Source:
    -a University of Waterloo and Perimeter Institute
    Summary:
    -a A massive worldwide survey of physicists has revealed surprisingly >>>>>> little
    -a agreement about some of the universerCOs biggest mysteries.
    -a No majority backed the standard cosmological model, a leading
    explanation for
    -a dark matter, or any single theory of quantum gravity.
    -a One area of stronger agreement stood out: 68% said the Big Bang does >>>>>> not
    -a necessarily represent the beginning of time.
    -a Researchers say the divisions show just how alive and unsettled the >>>>>> frontiers
    -a of physics remain.

    Physics is science - not religion. It's theories fit the facts we know >>>>> about. We haven't got any theory of quantum gravity yet, nor any
    evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some >>>> way, it is notable because it is instantaneous. Zero time passes before >>>> its effects take place.

    Gravity propages at the speed of light according to 'science':
    https://duckduckgo.com/?q=speed+of+gravity%3

    I maintain that this is still remarkable. Light only travels at light speed >>
    - through a void

    - if it is not blocked by an obstacle

    Clearly, gravity doesn't suffer the same visual restrictions.

    Note, it's not gravity travels at light speed minus a small constant, it's

    - gravity travels at exactly light speed, no less


    "Scientists Have Slowed Light Down To An Embarrassing 38 Miles Per
    Hour" ><https://www.iflscience.com/scientists-have-slowed-light-down-to-an-embarrassing-38-miles-per-hour-75894>
    <https://www.nature.com/articles/17561>

    Nice, now test if for gravity speed?

    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Lane W@cactus_DAC@yahoo.com to sci.physics,sci.astro,sci.electronics.design on Tue Sep 15 07:37:35 2026
    From Newsgroup: sci.physics

    Thomas 'PointedEars' Lahn wrote:
    Lane W wrote in sci.physics, sci.astro, sci.electronics.design:
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    [*facepalm*]

    Jan Panteltje wrote:
    However, if you are looking for evidence that gravity is special in some >>>> way, it is notable because it is instantaneous. Zero time passes before >>>> its effects take place.

    Gravity propages at the speed of light according to 'science':
    https://duckduckgo.com/?q=speed+of+gravity%3

    "We all have susceptibility to bias. Search engines on the Internet are
    /the epitome/ of confirmation bias. And you're gonna use /that/ as
    evidence that you're /correct?/ /No./"

    --Neil deGrasse Tyson, astrophysicist and science communicator
    (in his "MasterClass" trailer,
    <https://www.youtube.com/watch?v=io6QdGcoWMU&t=1m12s>)
    I maintain that this is still remarkable. Light only travels at light speed >>
    - through a void

    - if it is not blocked by an obstacle

    First of all, read what you wrote: You are effectively claiming that it is possible for light to not propagate at its own speed. I hope you can agree that your statement is ridiculous nonsense.

    I am sorry I confused you.

    The speed of light in vacuum is a universal physical constant denoted c
    (in ISO and IEC standards
    c
    0
    {\displaystyle c_{0}}[4]), exactly equal to 299792458 mriasreA1.

    When I spoke of the speed of light, it was shorthand for the speed of
    light in a vacuum. This is a common shorthand in conversation, because
    people don't always fully say The Ministry of Silly Walks in full when
    they refer to what you do. Often, what you do is inferred as clumsy
    stalking, incompetent stalking, or bumbling stalking. Do you see how
    that is less words and rolls off the tongue in times of need such as
    when Elon Musk says, "Tell me what you do in 7 seconds"?
    --
    Everything I work for
    Everything I long for is always just too far
    Everything I hope for never comes to be
    Everything I bleed for burns a scar on me
    Everything I fight for leaves a bitter taste
    Everything I cry for laughs into my face
    Everything I scream for barely knows my name
    Everything I'd die for will die just the same

    Everything I worked for
    Everything I longed for was always just too far
    Everything I hoped for never came to be
    Everything I bled for burned a scar on me
    Everything I fought for left a bitter taste
    Everything I cried for laughed into my face
    Everything I screamed for barely knew my name
    Everything I died for died just the same
    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Johann 'Myrkraverk' Oskarsson@johann@myrkraverk.invalid to sci.physics on Tue Sep 15 22:44:49 2026
    From Newsgroup: sci.physics

    On 15/09/2026 10:17 AM, Thomas 'PointedEars' Lahn wrote:
    Lane W wrote in sci.physics, sci.astro, sci.electronics.design:

    [*facepalm*]

    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    -a https://www.sciencedaily.com/releases/2026/09/260912220041.htm

    Physicists canrCOt agree on how the Universe works
    [...]
    Physics is science - not religion. It's theories fit the facts we know >>> about. We haven't got any theory of quantum gravity yet, nor any
    evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some
    way, it is notable because it is instantaneous. Zero time passes before
    its effects take place.

    First of all, there is no "gravity"; strike that term from your physics vocabulary. The correct term is _gravitation_, and it is an effect itself.

    Second, you are wrong.

    If gravitation would properly be described as the consequence of a force
    that is acting instantaneously at a distance as Newton's theory indicated to some (Newton himself was not convinced of that; to him it sufficed that his theory worked, and he famously refused to make [up] hypotheses as to how or why ["hypotheses non fingo"]), then this would violate causality. And example that shows this is a thought experiment in which Sol suddenly disappearing: an observer passing by the Sol System would see the planets
    and other Sol System objects suddenly propagating outwards in straight lines even though they would be oblivious to the fact that Sol would have disappeared because the still see light that Sol emitted before.

    General relativity resolves this problem and other problems of Newton's theory by postulating that gravitation is not the consequence of a force,
    but _a_ consequence of the curvature of spacetime, and that changes in spacetime curvature would not propagate faster than c, but exactly at c. Supporting evidence for that assumption is the measured phase speed of gravitational waves that are emitted when the change in spacetime curvature is not spherically symmetric, so especially when two objects with large masses are in a close orbit around each other, like two black holes or two neutron stars before they merge.

    Veritasium: There Is Something Faster Than Light <https://youtu.be/NIk_0AW5hFU?si=NcJOIWKvsCkjtjZo&start=57&end=187>

    Also contained in my public playlist "General Relativity": <https://www.youtube.com/playlist?list=PL41EYJuJ5YuDn3d13ryZwpzGBXewXa9AH>

    F'up2 <news:sci.physics>


    There are several /holes/ in the Einsteinian universe. One I'll mention
    right now is that the /space time curvature/ is a theoretical model, and there's no explanation for why it happens that I've come across.


    Best wishes, and happy re-thinking of the universe!
    --
    Johann | email: invalid -> com | http://www.myrkraverk.com/blog/
    I'm not from the Internet, I just work there. | via Easynews.com https://bsky.app/profile/myrkraverk.bsky.social | for ( ;; ) _:;
    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From ram@ram@zedat.fu-berlin.de (Stefan Ram) to sci.physics on Tue Sep 15 15:12:55 2026
    From Newsgroup: sci.physics

    Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> wrote or quoted: >There are several /holes/ in the Einsteinian universe. One I'll mention >right now is that the /space time curvature/ is a theoretical model, and

    Albert Einstein's General Theory of Relativity is a mathematical
    and theoretical model. However, in science, a model isn't a guess
    - it is a framework that makes highly precise, verifiable predic-
    tions. Einstein's model of space-time curvature has been proven
    right by real-world observations for over a century.

    there's no explanation for why it happens that I've come across.

    Physics does not explain /why/ something happens; it merely describes
    /how/ something happens. It was born when Galileo did not ask,
    "Why does the stone fall?", but, "How does the stone fall?".

    - As a brief tangent, there actually is a famous "hole problem" in
    General Relativity that deeply worried Einstein between 1913 and
    1915. He feared that his math allowed a single physical universe
    to be described by multiple conflicting maps, which would mean
    physics couldn't predict the future. But today we understand why
    there really are /not/ multiple conflicting predictions . . .

    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From ram@ram@zedat.fu-berlin.de (Stefan Ram) to sci.physics on Tue Sep 15 15:28:08 2026
    From Newsgroup: sci.physics

    ram@zedat.fu-berlin.de (Stefan Ram) wrote or quoted:
    - As a brief tangent, there actually is a famous "hole problem" in

    See the Wikipedia page "Hole argument".

    Einstein observed that in a region that is void of matter several
    "metrics" are possible and was not pleased because his theory should
    predict /exactly one/ specific metric. However, today we know that
    there are "gauge" degrees of freedom that are aspects of the metric
    that have no relevance and can be left unspecified or vary freely.

    For a approximate explanation, one could imagine that Galileo
    might have been unpleased because his theory did not predict the
    color of the falling stone. But when one sees that the color does
    not matter for the fall, it is not worrisome anymore when the
    theory allows several different stone colors for the same fall.


    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Jeff Liebermann@jeffl@cruzio.com to sci.physics,sci.astro,sci.electronics.design on Tue Sep 15 09:53:07 2026
    From Newsgroup: sci.physics

    On Tue, 15 Sep 2026 08:26:21 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    Jeff Liebermann <jeffl@cruzio.com>wrote:
    On Mon, 14 Sep 2026 12:32:14 -0600, Lane W <cactus_DAC@yahoo.com>
    wrote:

    Jan Panteltje wrote:
    Lane W <cactus_DAC@yahoo.com>wrote:
    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    -a https://www.sciencedaily.com/releases/2026/09/260912220041.htm >>>>>>>
    Physicists canrCOt agree on how the Universe works
    Date:
    -a September 13, 2026
    Source:
    -a University of Waterloo and Perimeter Institute
    Summary:
    -a A massive worldwide survey of physicists has revealed surprisingly >>>>>>> little
    -a agreement about some of the universerCOs biggest mysteries.
    -a No majority backed the standard cosmological model, a leading >>>>>>> explanation for
    -a dark matter, or any single theory of quantum gravity.
    -a One area of stronger agreement stood out: 68% said the Big Bang does >>>>>>> not
    -a necessarily represent the beginning of time.
    -a Researchers say the divisions show just how alive and unsettled the >>>>>>> frontiers
    -a of physics remain.

    Physics is science - not religion. It's theories fit the facts we know >>>>>> about. We haven't got any theory of quantum gravity yet, nor any
    evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some >>>>> way, it is notable because it is instantaneous. Zero time passes before >>>>> its effects take place.

    Gravity propages at the speed of light according to 'science':
    https://duckduckgo.com/?q=speed+of+gravity%3

    I maintain that this is still remarkable. Light only travels at light speed >>>
    - through a void

    - if it is not blocked by an obstacle

    Clearly, gravity doesn't suffer the same visual restrictions.

    Note, it's not gravity travels at light speed minus a small constant, it's >>>
    - gravity travels at exactly light speed, no less


    "Scientists Have Slowed Light Down To An Embarrassing 38 Miles Per
    Hour" >><https://www.iflscience.com/scientists-have-slowed-light-down-to-an-embarrassing-38-miles-per-hour-75894>
    <https://www.nature.com/articles/17561>

    Nice, now test if for gravity speed?

    Sorry, but my kitchen laboratory is not equipped to make such
    measurements.

    I tried a few AI opinions. The consensus seems to be that the speed of
    gravity is the same as light using gravitational waves when observing
    a neutron star merger:

    <https://chatgpt.com/share/6aa97510-741c-83e8-a408-5ab1d1aa58f5>
    "In general relativity, gravity isn't treated as an instantaneous
    force. Changes in the gravitational field - such as those produced
    when massive objects accelerate - propagate through spacetime as
    gravitational waves, which travel at c.

    This was strongly confirmed observationally in 2017 when gravitational
    waves from a neutron-star merger (GW170817) and electromagnetic
    radiation from the same event arrived almost simultaneously after
    traveling roughly 130 million light-years. The observations
    constrained any difference between the speeds of gravity and light to
    an extraordinarily small amount."

    Unfortunately, the physics is also well above my pay scale.

    "Why Do Gravitational Waves Travel Exactly At The Speed Of Light?" <https://www.forbes.com/sites/startswithabang/2019/07/06/ask-ethan-why-do-gravitational-waves-travel-exactly-at-the-speed-of-light/>
    --
    Jeff Liebermann jeffl@cruzio.com
    PO Box 272 http://www.LearnByDestroying.com
    Ben Lomond CA 95005-0272 AE6KS 831-336-2558

    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Thomas 'PointedEars' Lahn@PointedEars@web.de to sci.physics,sci.astro,sci.electronics.design on Wed Sep 16 01:22:29 2026
    From Newsgroup: sci.physics

    Lane W wrote in sci.physics, sci.astro, sci.electronics.design:
    Thomas 'PointedEars' Lahn wrote:
    Lane W wrote in sci.physics, sci.astro, sci.electronics.design:
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    [*facepalm*]

    Jan Panteltje wrote:
    However, if you are looking for evidence that gravity is special in some >>>>> way, it is notable because it is instantaneous. Zero time passes before >>>>> its effects take place.

    Gravity propages at the speed of light according to 'science':
    https://duckduckgo.com/?q=speed+of+gravity%3

    "We all have susceptibility to bias. Search engines on the Internet are >> /the epitome/ of confirmation bias. And you're gonna use /that/ as
    evidence that you're /correct?/ /No./"

    --Neil deGrasse Tyson, astrophysicist and science communicator
    (in his "MasterClass" trailer,
    <https://www.youtube.com/watch?v=io6QdGcoWMU&t=1m12s>)
    I maintain that this is still remarkable. Light only travels at light speed >>>
    - through a void

    - if it is not blocked by an obstacle

    First of all, read what you wrote: You are effectively claiming that it is >> possible for light to not propagate at its own speed. I hope you can agree >> that your statement is ridiculous nonsense.

    I am sorry I confused you.

    LOL. I have studied (Astro)physics. I am not confused, _you_ are.
    Read _all_ that I wrote. And stop that mindless crossposting (without Followup-To)!

    *facepalm*
    --
    PointedEars

    Twitter: @PointedEars2
    Please do not cc me. / Bitte keine Kopien per E-Mail.
    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Thomas 'PointedEars' Lahn@PointedEars@web.de to sci.physics on Wed Sep 16 01:36:35 2026
    From Newsgroup: sci.physics

    Stefan Ram wrote:
    Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> wrote or quoted:
    There are several /holes/ in the Einsteinian universe. One I'll mention
    right now is that the /space time curvature/ is a theoretical model, and

    Albert Einstein's General Theory of Relativity is a mathematical
    and theoretical model.

    It is a physical theory which of course employs mathematics, as we are
    using mathematics as a tool to describe and predict Nature.

    See also:

    Feynman's Messenger Lectures: 2. The Relation of Mathematics and Physics <https://www.feynmanlectures.caltech.edu/fml.html#2>

    However, in science, a model isn't a guess
    - it is a framework that makes highly precise, verifiable predic-
    tions. Einstein's model of space-time curvature has been proven
    right by real-world observations for over a century.

    It is better to say that it was _confirmed_ by all observations so far.
    The term "prove" carries with it the idea that something could be true,
    which, different from a theorem, a theory cannot be: it can at most be
    correct (until an observation is made that it did not predict; then a
    better theory needs to be found to explain that observation).
    there's no explanation for why it happens that I've come across.

    Physics does not explain /why/ something happens; it merely describes
    /how/ something happens. It was born when Galileo did not ask,
    "Why does the stone fall?", but, "How does the stone fall?".

    Correct, and all the natural sciences, at least, work like that. See also:

    HD Feynman: FUN TO IMAGINE complete (with optional Chinese subtitles) <https://www.youtube.com/watch?v=nYg6jzotiAc&list=PL41EYJuJ5YuDgD6PeMro6NdNFNcR3A6pK&index=11&t=11s>
    --
    PointedEars

    Twitter: @PointedEars2
    Please do not cc me. / Bitte keine Kopien per E-Mail.
    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Lane W@cactus_DAC@yahoo.com to sci.physics,sci.electronics.design on Tue Sep 15 18:50:25 2026
    From Newsgroup: sci.physics

    Thomas 'PointedEars' Lahn wrote:
    Lane W wrote in sci.physics, sci.astro, sci.electronics.design:
    Thomas 'PointedEars' Lahn wrote:
    Lane W wrote in sci.physics, sci.astro, sci.electronics.design:
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    [*facepalm*]

    Jan Panteltje wrote:
    However, if you are looking for evidence that gravity is special in some >>>>>> way, it is notable because it is instantaneous. Zero time passes before >>>>>> its effects take place.

    Gravity propages at the speed of light according to 'science':
    https://duckduckgo.com/?q=speed+of+gravity%3

    "We all have susceptibility to bias. Search engines on the Internet are
    /the epitome/ of confirmation bias. And you're gonna use /that/ as >>> evidence that you're /correct?/ /No./"

    --Neil deGrasse Tyson, astrophysicist and science communicator
    (in his "MasterClass" trailer,
    <https://www.youtube.com/watch?v=io6QdGcoWMU&t=1m12s>)
    I maintain that this is still remarkable. Light only travels at light speed

    - through a void

    - if it is not blocked by an obstacle

    First of all, read what you wrote: You are effectively claiming that it is >>> possible for light to not propagate at its own speed. I hope you can agree >>> that your statement is ridiculous nonsense.

    I am sorry I confused you.

    LOL. I have studied (Astro)physics. I am not confused, _you_ are.
    Read _all_ that I wrote. And stop that mindless crossposting (without Followup-To)!

    *facepalm*

    Oh right, you're an elf. You don't abbreviate, acronym, or shorthand.
    Have you seen my Elendil Wadswallow sock? It took some by storm and was
    oft forged in the political newsgroups.

    By the way, I thought you had grace or maybe charisma. How do you
    explain the ugly 2 on the end of your post that this follows up? Mine
    nicely has a 0 on the end. That's true grace, not blowing hot gases
    about 'the speed of light' being whatever the brake fluid is you're
    sending it through. Or is it the dustbin. 0, remember?
    --
    Everything I fight for leaves a bitter taste
    Everything I cry for laughs into my face
    Everything I scream for barely knows my name
    Everything I'd die for will die just the same
    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Jan Panteltje@alien@comet.invalid to sci.physics,sci.astro,sci.electronics.design on Wed Sep 16 07:27:18 2026
    From Newsgroup: sci.physics

    Jeff Liebermann <jeffl@cruzio.com>wrote:
    On Tue, 15 Sep 2026 08:26:21 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    Jeff Liebermann <jeffl@cruzio.com>wrote:
    On Mon, 14 Sep 2026 12:32:14 -0600, Lane W <cactus_DAC@yahoo.com>
    wrote:

    Jan Panteltje wrote:
    Lane W <cactus_DAC@yahoo.com>wrote:
    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    -a https://www.sciencedaily.com/releases/2026/09/260912220041.htm >>>>>>>>
    Physicists canrCOt agree on how the Universe works
    Date:
    -a September 13, 2026
    Source:
    -a University of Waterloo and Perimeter Institute
    Summary:
    -a A massive worldwide survey of physicists has revealed surprisingly >>>>>>>> little
    -a agreement about some of the universerCOs biggest mysteries. >>>>>>>> -a No majority backed the standard cosmological model, a leading >>>>>>>> explanation for
    -a dark matter, or any single theory of quantum gravity.
    -a One area of stronger agreement stood out: 68% said the Big Bang does
    not
    -a necessarily represent the beginning of time.
    -a Researchers say the divisions show just how alive and unsettled the >>>>>>>> frontiers
    -a of physics remain.

    Physics is science - not religion. It's theories fit the facts we know >>>>>>> about. We haven't got any theory of quantum gravity yet, nor any >>>>>>> evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some >>>>>> way, it is notable because it is instantaneous. Zero time passes before >>>>>> its effects take place.

    Gravity propages at the speed of light according to 'science':
    https://duckduckgo.com/?q=speed+of+gravity%3

    I maintain that this is still remarkable. Light only travels at light speed >>>>
    - through a void

    - if it is not blocked by an obstacle

    Clearly, gravity doesn't suffer the same visual restrictions.

    Note, it's not gravity travels at light speed minus a small constant, it's >>>>
    - gravity travels at exactly light speed, no less


    "Scientists Have Slowed Light Down To An Embarrassing 38 Miles Per
    Hour" >>><https://www.iflscience.com/scientists-have-slowed-light-down-to-an-embarrassing-38-miles-per-hour-75894>
    <https://www.nature.com/articles/17561>

    Nice, now test if for gravity speed?

    Sorry, but my kitchen laboratory is not equipped to make such
    measurements.

    Yes, but if somebody mentions 'gravitational waves' -
    I have been to the beach, know about Moon tides ;-)


    I tried a few AI opinions. The consensus seems to be that the speed of >gravity is the same as light using gravitational waves when observing
    a neutron star merger:

    <https://chatgpt.com/share/6aa97510-741c-83e8-a408-5ab1d1aa58f5>
    "In general relativity, gravity isn't treated as an instantaneous
    force. Changes in the gravitational field - such as those produced
    when massive objects accelerate - propagate through spacetime as >gravitational waves, which travel at c.

    This was strongly confirmed observationally in 2017 when gravitational
    waves from a neutron-star merger (GW170817) and electromagnetic
    radiation from the same event arrived almost simultaneously after
    traveling roughly 130 million light-years. The observations
    constrained any difference between the speeds of gravity and light to
    an extraordinarily small amount."

    Unfortunately, the physics is also well above my pay scale.

    "Why Do Gravitational Waves Travel Exactly At The Speed Of Light?" >https://www.forbes.com/sites/startswithabang/2019/07/06/ask-ethan-why-do-gravitational-waves-travel-exactly-at-the-speed-of-light/

    Beautiful and very clear article! Thank you, keeping the link :-)

    Experiments are essential to understanding.
    Alber E. never did an experiment in his life, his mind was curved in a bad way. He admitted though, at his death bed, that he failed to unite the EM and gravitational forces ..
    From:
    https://duckduckgo.com/?q=did+albert+einstein+admit+he+failed+to+uinite+the+gravitational+and+EM+forces%3F
    Yes, Albert Einstein acknowledged that his attempts to create a unified field
    theory that combined gravity and electromagnetism were unsuccessful.
    He dedicated the last decades of his life to this pursuit, but ultimately,
    gravity remains beyond the reach of a unified field

    So Le Sage particles that can be modified to carry charge / EM radiation
    is my simple explanation.
    I declare it public domain

    The No bell price I do not want, too much politics in that.

    Simplicity is soooooooo cool!

    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Bill Sloman@bill.sloman@ieee.org to sci.physics,sci.astro,sci.electronics.design on Wed Sep 16 17:58:41 2026
    From Newsgroup: sci.physics

    On 16/09/2026 5:27 pm, Jan Panteltje wrote:
    Jeff Liebermann <jeffl@cruzio.com>wrote:
    On Tue, 15 Sep 2026 08:26:21 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    Jeff Liebermann <jeffl@cruzio.com>wrote:
    On Mon, 14 Sep 2026 12:32:14 -0600, Lane W <cactus_DAC@yahoo.com>
    wrote:

    Jan Panteltje wrote:
    Lane W <cactus_DAC@yahoo.com>wrote:
    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    -a https://www.sciencedaily.com/releases/2026/09/260912220041.htm >>>>>>>>>
    Physicists canrCOt agree on how the Universe works
    Date:
    -a September 13, 2026
    Source:
    -a University of Waterloo and Perimeter Institute
    Summary:
    -a A massive worldwide survey of physicists has revealed surprisingly
    little
    -a agreement about some of the universerCOs biggest mysteries. >>>>>>>>> -a No majority backed the standard cosmological model, a leading >>>>>>>>> explanation for
    -a dark matter, or any single theory of quantum gravity.
    -a One area of stronger agreement stood out: 68% said the Big Bang does
    not
    -a necessarily represent the beginning of time.
    -a Researchers say the divisions show just how alive and unsettled the
    frontiers
    -a of physics remain.

    Physics is science - not religion. It's theories fit the facts we know >>>>>>>> about. We haven't got any theory of quantum gravity yet, nor any >>>>>>>> evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some
    way, it is notable because it is instantaneous. Zero time passes before >>>>>>> its effects take place.

    Gravity propages at the speed of light according to 'science':
    https://duckduckgo.com/?q=speed+of+gravity%3

    I maintain that this is still remarkable. Light only travels at light speed

    - through a void

    - if it is not blocked by an obstacle

    Clearly, gravity doesn't suffer the same visual restrictions.

    Note, it's not gravity travels at light speed minus a small constant, it's

    - gravity travels at exactly light speed, no less


    "Scientists Have Slowed Light Down To An Embarrassing 38 Miles Per
    Hour"
    <https://www.iflscience.com/scientists-have-slowed-light-down-to-an-embarrassing-38-miles-per-hour-75894>
    <https://www.nature.com/articles/17561>

    Nice, now test if for gravity speed?

    Sorry, but my kitchen laboratory is not equipped to make such
    measurements.

    Yes, but if somebody mentions 'gravitational waves' -
    I have been to the beach, know about Moon tides ;-)


    I tried a few AI opinions. The consensus seems to be that the speed of
    gravity is the same as light using gravitational waves when observing
    a neutron star merger:

    <https://chatgpt.com/share/6aa97510-741c-83e8-a408-5ab1d1aa58f5>
    "In general relativity, gravity isn't treated as an instantaneous
    force. Changes in the gravitational field - such as those produced
    when massive objects accelerate - propagate through spacetime as
    gravitational waves, which travel at c.

    This was strongly confirmed observationally in 2017 when gravitational
    waves from a neutron-star merger (GW170817) and electromagnetic
    radiation from the same event arrived almost simultaneously after
    traveling roughly 130 million light-years. The observations
    constrained any difference between the speeds of gravity and light to
    an extraordinarily small amount."

    Unfortunately, the physics is also well above my pay scale.

    "Why Do Gravitational Waves Travel Exactly At The Speed Of Light?"
    https://www.forbes.com/sites/startswithabang/2019/07/06/ask-ethan-why-do-gravitational-waves-travel-exactly-at-the-speed-of-light/

    Beautiful and very clear article! Thank you, keeping the link :-)

    Experiments are essential to understanding.
    Alber E. never did an experiment in his life, his mind was curved in a bad way.
    He admitted though, at his death bed, that he failed to unite the EM and gravitational forces ..
    From:
    https://duckduckgo.com/?q=did+albert+einstein+admit+he+failed+to+uinite+the+gravitational+and+EM+forces%3F
    Yes, Albert Einstein acknowledged that his attempts to create a unified field
    theory that combined gravity and electromagnetism were unsuccessful.
    He dedicated the last decades of his life to this pursuit, but ultimately,
    gravity remains beyond the reach of a unified field.

    His unified field. There do seem to be others.

    So Le Sage particles that can be modified to carry charge / EM radiation
    is my simple explanation.
    I declare it public domain

    The No bell price I do not want, too much politics in that.

    Simplicity is soooooooo cool!

    https://www.brainyquote.com/quotes/h_l_mencken_129796

    "for every complex problem there is an answer that is clear simple and
    wrong". Jan Panteltje can find them every time.
    --
    Bill Sloman, Sydney


    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Bill Sloman@bill.sloman@ieee.org to sci.physics,sci.astro,sci.electronics.design on Wed Sep 16 18:19:41 2026
    From Newsgroup: sci.physics

    On 15/09/2026 6:19 pm, Jan Panteltje wrote:
    Lane W <cactus_DAC@yahoo.com>wrote:
    Jan Panteltje wrote:
    Lane W <cactus_DAC@yahoo.com>wrote:
    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    |e-a https://www.sciencedaily.com/releases/2026/09/260912220041.htm >>>>>>
    Physicists can|ore4raot agree on how the Universe works
    Date:
    |e-a September 13, 2026
    Source:
    |e-a University of Waterloo and Perimeter Institute
    Summary:
    |e-a A massive worldwide survey of physicists has revealed surprisingly >>>>>> little
    |e-a agreement about some of the universe|ore4raos biggest mysteries. >>>>>> |e-a No majority backed the standard cosmological model, a leading >>>>>> explanation for
    |e-a dark matter, or any single theory of quantum gravity.
    |e-a One area of stronger agreement stood out: 68% said the Big Bang does
    not
    |e-a necessarily represent the beginning of time.
    |e-a Researchers say the divisions show just how alive and unsettled the >>>>>> frontiers
    |e-a of physics remain.

    Physics is science - not religion. It's theories fit the facts we know >>>>> about. We haven't got any theory of quantum gravity yet, nor any
    evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some >>>> way, it is notable because it is instantaneous. Zero time passes before >>>> its effects take place.

    Gravity propages at the speed of light according to 'science':
    https://duckduckgo.com/?q=speed+of+gravity%3

    I maintain that this is still remarkable. Light only travels at light speed >>
    - through a void

    - if it is not blocked by an obstacle

    Clearly, gravity doesn't suffer the same visual restrictions.

    Note, it's not gravity travels at light speed minus a small constant, it's >>
    - gravity travels at exactly light speed, no less

    Yes, good point, I wonder how they measured (or concluded) gravity moves at the
    speed of light,
    that would need an experiment using stuff (electronics for example and light that does travel at that speed
    Bit circular reasoning.

    Jan Panteltje doesn't seem to be able to read. The proposition that
    gravity waves travel at the speed of light is based on the observation
    of two neutron stars merging, where the charges in the gravitational
    wave emission gave enough warning of the merger to let optical
    telescopes focus on the site f the merger and capture the visual
    consequences of the event.

    Jan not knowing about the existence of that bit of evidence is just
    ignorance.

    But (as I think maybe the case) if light (EM radiation) is a 'state' of Le Sage
    particles, then all you need to 'stop' light is change the state of those LS particles,
    most matter can do that (by interacting with the EM field, glass a bit less for
    some frequencies...

    So photons are now Le Sage particles. Nice one Jan.

    Also Le Sage explains clocks slowing down near a big object (like earth for example) as then more Le Sage particles are intercepted, 'matter' gets less compressed, the 'pendulum becomes 'longer', and 'time', slows down.
    There must be a point where an object is so dense, big, heavy that all Le Sage
    particles are intercepted
    That gets rid of the divide by zero mamaticians like to try all the time,
    and cover it up with re-normalization.
    Making light is in Le Sage case nothing but adding some effect (state change) to the Le Sage particles, so simple.

    And so wrong.

    Whatever way you look for all things, we need a 'mechanism' to understand and explain all this stuff.
    An example:
    Ohm's law.
    No current in a vacuum (infinite resistance).
    But then came the vacuum radio tube, was invented, and there WAS a current in the vacuum, specifically electrons flowing, violating Ohm's law.

    Ohm Law describes current flowing through a resistor. It certainly
    doesn't describe current flowing through a rectifier junction - and
    electron travelling through a vacuum can serve as a rectifier junction.

    In the same way gravity without LS particles or something is nothing but useless
    babble,

    Jan's speciality.

    There was this guy albert who was into it, and many still parrot his formulas space is curved and bla bla bla.
    Bit like this:
    https://www.dailymotion.com/video/x8u8twm

    I did read Feynman objected to Le Sage, but he used simple particles like stones in his model.
    Even electrons are very complex and we do not know much about those.

    Electrons are elementary particle. They can't get any simpler.

    Same for Le Sage particles..

    They don't seem to exist, except in the brains of fantasists like Jan,
    which makes it difficult to do experiments on them.

    Not a few weeks go by without CERN finding new things that conflict with what we know so far about elementary particles.

    Really?

    I see on https://www.sciencedaily.com

    And misunderstand to mean what you'd like it to mean.
    So, a MECHANISM is needed, without that ? nothing, kein stein.
    I am open to anything better than Le Sage
    So far have not seen any.

    The Le Sage thory doesn't work, but Jan is happy with it. He is open to
    lots of other nonsense but seems to reject anything complicated enough
    to represent reality.
    --
    Bill Sloman, Sydney


    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Thomas 'PointedEars' Lahn@PointedEars@web.de to sci.physics,sci.electronics.design on Fri Sep 18 09:22:33 2026
    From Newsgroup: sci.physics

    Lane W wrote:
    Thomas 'PointedEars' Lahn wrote:
    Lane W wrote in sci.physics, sci.astro, sci.electronics.design:
    Thomas 'PointedEars' Lahn wrote:
    Lane W wrote in sci.physics, sci.astro, sci.electronics.design:
    I maintain that this is still remarkable. Light only travels at light speed

    - through a void

    - if it is not blocked by an obstacle

    First of all, read what you wrote: You are effectively claiming that it is >>>> possible for light to not propagate at its own speed. I hope you can agree
    that your statement is ridiculous nonsense.

    I am sorry I confused you.

    LOL. I have studied (Astro)physics. I am not confused, _you_ are.
    Read _all_ that I wrote. And stop that mindless crossposting (without
    Followup-To)!

    *facepalm*

    Oh right, you're an elf. You don't abbreviate, acronym, or shorthand.
    Have you seen my Elendil Wadswallow sock? It took some by storm and was
    oft forged in the political newsgroups.

    By the way, I thought you had grace or maybe charisma. How do you
    explain the ugly 2 on the end of your post that this follows up? Mine
    nicely has a 0 on the end. That's true grace, not blowing hot gases
    about 'the speed of light' being whatever the brake fluid is you're
    sending it through. Or is it the dustbin. 0, remember?

    A pity. I mistook you for someone who is not insane.
    --
    PointedEars

    Twitter: @PointedEars2
    Please do not cc me. / Bitte keine Kopien per E-Mail.
    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Jan Panteltje@alien@comet.invalid to sci.physics,sci.astro,sci.electronics.design on Sun Sep 20 18:25:36 2026
    From Newsgroup: sci.physics

    Jeff Liebermann <jeffl@cruzio.com>wrote:
    On Tue, 15 Sep 2026 08:26:21 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    Jeff Liebermann <jeffl@cruzio.com>wrote:
    On Mon, 14 Sep 2026 12:32:14 -0600, Lane W <cactus_DAC@yahoo.com>
    wrote:

    Jan Panteltje wrote:
    Lane W <cactus_DAC@yahoo.com>wrote:
    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    -a https://www.sciencedaily.com/releases/2026/09/260912220041.htm >>>>>>>>
    Physicists canrCOt agree on how the Universe works
    Date:
    -a September 13, 2026
    Source:
    -a University of Waterloo and Perimeter Institute
    Summary:
    -a A massive worldwide survey of physicists has revealed surprisingly >>>>>>>> little
    -a agreement about some of the universerCOs biggest mysteries. >>>>>>>> -a No majority backed the standard cosmological model, a leading >>>>>>>> explanation for
    -a dark matter, or any single theory of quantum gravity.
    -a One area of stronger agreement stood out: 68% said the Big Bang does
    not
    -a necessarily represent the beginning of time.
    -a Researchers say the divisions show just how alive and unsettled the >>>>>>>> frontiers
    -a of physics remain.

    Physics is science - not religion. It's theories fit the facts we know >>>>>>> about. We haven't got any theory of quantum gravity yet, nor any >>>>>>> evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some >>>>>> way, it is notable because it is instantaneous. Zero time passes before >>>>>> its effects take place.

    Gravity propages at the speed of light according to 'science':
    https://duckduckgo.com/?q=speed+of+gravity%3

    I maintain that this is still remarkable. Light only travels at light speed >>>>
    - through a void

    - if it is not blocked by an obstacle

    Clearly, gravity doesn't suffer the same visual restrictions.

    Note, it's not gravity travels at light speed minus a small constant, it's >>>>
    - gravity travels at exactly light speed, no less


    "Scientists Have Slowed Light Down To An Embarrassing 38 Miles Per
    Hour" >>><https://www.iflscience.com/scientists-have-slowed-light-down-to-an-embarrassing-38-miles-per-hour-75894>
    <https://www.nature.com/articles/17561>

    Nice, now test if for gravity speed?

    Sorry, but my kitchen laboratory is not equipped to make such
    measurements.

    I tried a few AI opinions. The consensus seems to be that the speed of >gravity is the same as light using gravitational waves when observing
    a neutron star merger:

    <https://chatgpt.com/share/6aa97510-741c-83e8-a408-5ab1d1aa58f5>
    "In general relativity, gravity isn't treated as an instantaneous
    force. Changes in the gravitational field - such as those produced
    when massive objects accelerate - propagate through spacetime as >gravitational waves, which travel at c.

    This was strongly confirmed observationally in 2017 when gravitational
    waves from a neutron-star merger (GW170817) and electromagnetic
    radiation from the same event arrived almost simultaneously after
    traveling roughly 130 million light-years. The observations
    constrained any difference between the speeds of gravity and light to
    an extraordinarily small amount."

    Unfortunately, the physics is also well above my pay scale.

    "Why Do Gravitational Waves Travel Exactly At The Speed Of Light?" ><https://www.forbes.com/sites/startswithabang/2019/07/06/ask-ethan-why-do-gravitational-waves-travel-exactly-at-the-speed-of-ligh


    Things get ever more interwsting,
    today I was reading this about gravity and G:
    https://www.sciencedaily.com/releases/2026/09/260920032049.htm

    Scientists opened a sealed envelope after 10 years. Gravity still didnrCOt make sense
    Date:
    September 20, 2026
    Source:
    National Institute of Standards and Technology (NIST)
    Summary:
    A decade-long NIST experiment has produced a new measurement of the universal
    gravitational constant that differs unexpectedly from another leading result,
    deepening a 225-year-old physics puzzle.
    The discrepancy is tiny, but for one of naturerCOs most fundamental constants,
    it is large enough to keep scientists wondering whether hidden experimental
    errors or something more surprising is involved.

    So the G is now lower
    Their value for G was 6.67387 |u 10-11 meters3/kilogram/second2.
    Quote:
    That result is 0.0235% lower than the value obtained in the French experiment
    in 2007
    end quote

    Me:
    Now IF the measurements are both correct, than I would think
    "gravity decreases over time".
    If Le Sage particles are 'gravity' they may slow down over time, or less are availabe.
    Things like expanding universe comes to mind,
    and also if we live in a sea of black holes spitting out Le Sage particles those black holes will by definition exhaust over time,
    Keep it simple, and BIG implication if gravity here decreases,
    oh wait, _here_ decreases.
    in this galaxy with black hole at the center we are in
    Fun!

    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Phil Hobbs@pcdhSpamMeSenseless@electrooptical.net to sci.electronics.design,sci.physics,sci.astro on Sun Sep 20 20:18:06 2026
    From Newsgroup: sci.physics

    Jan Panteltje <alien@comet.invalid> wrote:

    Quote:
    That result is 0.0235% lower than the value obtained in the French experiment in 2007
    end quote

    Me:
    Now IF the measurements are both correct, than I would think "gravity decreases over time".

    Except that at that rate of decline, gravity would vanish in less than 5000 years.

    Maybe not.

    Cheers

    Phil Hobbs
    --
    Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC / Hobbs ElectroOptics Optics, Electro-optics, Photonics, Analog Electronics
    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Phil Hobbs@pcdhSpamMeSenseless@electrooptical.net to sci.electronics.design,sci.physics,sci.astro on Sun Sep 20 20:23:03 2026
    From Newsgroup: sci.physics

    Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> wrote:
    Jan Panteltje <alien@comet.invalid> wrote:

    Quote:
    That result is 0.0235% lower than the value obtained in the French experiment in 2007
    end quote

    Me:
    Now IF the measurements are both correct, than I would think "gravity
    decreases over time".

    Except that at that rate of decline, gravity would vanish in less than
    50000
    years.

    Maybe not.

    Cheers

    Phil Hobbs
    --
    Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC / Hobbs ElectroOptics Optics, Electro-optics, Photonics, Analog Electronics
    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From john larkin@jl@glen--canyon.com to sci.electronics.design,sci.physics,sci.astro on Sun Sep 20 13:43:41 2026
    From Newsgroup: sci.physics

    On Sun, 20 Sep 2026 20:18:06 -0000 (UTC), Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> wrote:

    Jan Panteltje <alien@comet.invalid> wrote:

    Quote:
    That result is 0.0235% lower than the value obtained in the French experiment in 2007
    end quote

    Me:
    Now IF the measurements are both correct, than I would think "gravity decreases over time".

    Except that at that rate of decline, gravity would vanish in less than 5000 >years.

    Could be exponential.


    Maybe not.

    Cheers

    Phil Hobbs

    I know for sure that gravity keeps inceasing.


    John Larkin
    Highland Tech Glen Canyon Design Center
    Lunatic Fringe Electronics
    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From William Hyde@wthyde1953@gmail.com to sci.physics on Sun Sep 20 16:50:12 2026
    From Newsgroup: sci.physics

    Jan Panteltje wrote:
    Jeff Liebermann <jeffl@cruzio.com>wrote:
    On Tue, 15 Sep 2026 08:26:21 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    Jeff Liebermann <jeffl@cruzio.com>wrote:
    On Mon, 14 Sep 2026 12:32:14 -0600, Lane W <cactus_DAC@yahoo.com>
    wrote:

    Jan Panteltje wrote:
    Lane W <cactus_DAC@yahoo.com>wrote:
    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    |e-a https://www.sciencedaily.com/releases/2026/09/260912220041.htm >>>>>>>>>
    Physicists can|ore4raot agree on how the Universe works
    Date:
    |e-a September 13, 2026
    Source:
    |e-a University of Waterloo and Perimeter Institute
    Summary:
    |e-a A massive worldwide survey of physicists has revealed surprisingly
    little
    |e-a agreement about some of the universe|ore4raos biggest mysteries. >>>>>>>>> |e-a No majority backed the standard cosmological model, a leading >>>>>>>>> explanation for
    |e-a dark matter, or any single theory of quantum gravity.
    |e-a One area of stronger agreement stood out: 68% said the Big Bang does
    not
    |e-a necessarily represent the beginning of time.
    |e-a Researchers say the divisions show just how alive and unsettled the
    frontiers
    |e-a of physics remain.

    Physics is science - not religion. It's theories fit the facts we know >>>>>>>> about. We haven't got any theory of quantum gravity yet, nor any >>>>>>>> evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some
    way, it is notable because it is instantaneous. Zero time passes before >>>>>>> its effects take place.

    Gravity propages at the speed of light according to 'science':
    https://duckduckgo.com/?q=speed+of+gravity%3

    I maintain that this is still remarkable. Light only travels at light speed

    - through a void

    - if it is not blocked by an obstacle

    Clearly, gravity doesn't suffer the same visual restrictions.

    Note, it's not gravity travels at light speed minus a small constant, it's

    - gravity travels at exactly light speed, no less


    "Scientists Have Slowed Light Down To An Embarrassing 38 Miles Per
    Hour"
    <https://www.iflscience.com/scientists-have-slowed-light-down-to-an-embarrassing-38-miles-per-hour-75894>
    <https://www.nature.com/articles/17561>

    Nice, now test if for gravity speed?

    Sorry, but my kitchen laboratory is not equipped to make such
    measurements.

    I tried a few AI opinions. The consensus seems to be that the speed of
    gravity is the same as light using gravitational waves when observing
    a neutron star merger:

    <https://chatgpt.com/share/6aa97510-741c-83e8-a408-5ab1d1aa58f5>
    "In general relativity, gravity isn't treated as an instantaneous
    force. Changes in the gravitational field - such as those produced
    when massive objects accelerate - propagate through spacetime as
    gravitational waves, which travel at c.

    This was strongly confirmed observationally in 2017 when gravitational
    waves from a neutron-star merger (GW170817) and electromagnetic
    radiation from the same event arrived almost simultaneously after
    traveling roughly 130 million light-years. The observations
    constrained any difference between the speeds of gravity and light to
    an extraordinarily small amount."

    Unfortunately, the physics is also well above my pay scale.

    "Why Do Gravitational Waves Travel Exactly At The Speed Of Light?"
    <https://www.forbes.com/sites/startswithabang/2019/07/06/ask-ethan-why-do-gravitational-waves-travel-exactly-at-the-speed-of-ligh


    Things get ever more interwsting,
    today I was reading this about gravity and G:
    https://www.sciencedaily.com/releases/2026/09/260920032049.htm

    Scientists opened a sealed envelope after 10 years. Gravity still didn|ore4raot make
    sense
    Date:
    September 20, 2026
    Source:
    National Institute of Standards and Technology (NIST)
    Summary:
    A decade-long NIST experiment has produced a new measurement of the universal
    gravitational constant that differs unexpectedly from another leading result,
    deepening a 225-year-old physics puzzle.
    The discrepancy is tiny, but for one of nature|ore4raos most fundamental constants,
    it is large enough to keep scientists wondering whether hidden experimental
    errors or something more surprising is involved.

    So the G is now lower
    Their value for G was 6.67387 |arCo 10-11 meters3/kilogram/second2.
    Quote:
    That result is 0.0235% lower than the value obtained in the French experiment
    in 2007
    end quote

    Me:
    Now IF the measurements are both correct, than I would think
    "gravity decreases over time".

    Solar output varies as the seventh power of the gravitational constant.
    A steady decline in G would result in a cooler sun, with the change
    cited cooling the sun by about 1.5% -though it would take a long time
    for this affect to be evident as changes would have to propagate to the surface from the core.

    If gravity were decreasing at that rate, then a few thousand years ago
    the surface of the earth would have been molten lava, so if you
    hypothesize a weakening gravity, it must have been weakening at a vastly
    lower rate in the past.


    William Hyde
    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Jeff Liebermann@jeffl@cruzio.com to sci.electronics.design,sci.physics,sci.astro on Sun Sep 20 14:28:50 2026
    From Newsgroup: sci.physics

    On Sun, 20 Sep 2026 13:43:41 -0700, john larkin <jl@glen--canyon.com>
    wrote:

    I know for sure that gravity keeps inceasing.

    Perhaps a little levity will restore the balance to gravity.
    --
    Jeff Liebermann jeffl@cruzio.com
    PO Box 272 http://www.LearnByDestroying.com
    Ben Lomond CA 95005-0272 AE6KS 831-336-2558

    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Jan Panteltje@alien@comet.invalid to sci.electronics.design,sci.physics,sci.astro on Mon Sep 21 05:59:58 2026
    From Newsgroup: sci.physics

    Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net>wrote:
    Jan Panteltje <alien@comet.invalid> wrote:

    Quote:
    That result is 0.0235% lower than the value obtained in the French experiment in 2007
    end quote

    Me:
    Now IF the measurements are both correct, than I would think "gravity decreases over time".

    Except that at that rate of decline, gravity would vanish in less than 5000 >years.

    Maybe not.

    True, thought about that too.
    Need to know a lot more about how they measured it (both experiments). Influence of Moon position at the time, earth orbit, solar system position in the galaxy, so many things that could influence it.

    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Jan Panteltje@alien@comet.invalid to sci.electronics.design,sci.physics,sci.astro on Mon Sep 21 06:02:02 2026
    From Newsgroup: sci.physics

    Jeff Liebermann <jeffl@cruzio.com>wrote:
    On Sun, 20 Sep 2026 13:43:41 -0700, john larkin <jl@glen--canyon.com>
    wrote:

    I know for sure that gravity keeps inceasing.

    Perhaps a little levity will restore the balance to gravity.

    Or eating a bit less ;-)

    --- Synchronet 3.22a-Linux NewsLink 1.2
  • From Jan Panteltje@alien@comet.invalid to sci.physics on Mon Sep 21 06:50:15 2026
    From Newsgroup: sci.physics

    William Hyde <wthyde1953@gmail.com>wrote:
    Jan Panteltje wrote:
    Jeff Liebermann <jeffl@cruzio.com>wrote:
    On Tue, 15 Sep 2026 08:26:21 GMT, Jan Panteltje <alien@comet.invalid>
    wrote:

    Jeff Liebermann <jeffl@cruzio.com>wrote:
    On Mon, 14 Sep 2026 12:32:14 -0600, Lane W <cactus_DAC@yahoo.com>
    wrote:

    Jan Panteltje wrote:
    Lane W <cactus_DAC@yahoo.com>wrote:
    Bill Sloman wrote:
    On 14/09/2026 1:02 am, Jan Panteltje wrote:
    From:
    |e-a https://www.sciencedaily.com/releases/2026/09/260912220041.htm >>>>>>>>>>
    Physicists can|ore4raot agree on how the Universe works
    Date:
    |e-a September 13, 2026
    Source:
    |e-a University of Waterloo and Perimeter Institute
    Summary:
    |e-a A massive worldwide survey of physicists has revealed surprisingly
    little
    |e-a agreement about some of the universe|ore4raos biggest mysteries.
    |e-a No majority backed the standard cosmological model, a leading >>>>>>>>>> explanation for
    |e-a dark matter, or any single theory of quantum gravity. >>>>>>>>>> |e-a One area of stronger agreement stood out: 68% said the Big Bang does
    not
    |e-a necessarily represent the beginning of time.
    |e-a Researchers say the divisions show just how alive and unsettled the
    frontiers
    |e-a of physics remain.

    Physics is science - not religion. It's theories fit the facts we know
    about. We haven't got any theory of quantum gravity yet, nor any >>>>>>>>> evidence that gravity is quantised.

    However, if you are looking for evidence that gravity is special in some
    way, it is notable because it is instantaneous. Zero time passes before
    its effects take place.

    Gravity propages at the speed of light according to 'science':
    https://duckduckgo.com/?q=speed+of+gravity%3

    I maintain that this is still remarkable. Light only travels at light speed

    - through a void

    - if it is not blocked by an obstacle

    Clearly, gravity doesn't suffer the same visual restrictions.

    Note, it's not gravity travels at light speed minus a small constant, it's

    - gravity travels at exactly light speed, no less


    "Scientists Have Slowed Light Down To An Embarrassing 38 Miles Per
    Hour"
    <https://www.iflscience.com/scientists-have-slowed-light-down-to-an-embarrassing-38-miles-per-hour-75894>
    <https://www.nature.com/articles/17561>

    Nice, now test if for gravity speed?

    Sorry, but my kitchen laboratory is not equipped to make such
    measurements.

    I tried a few AI opinions. The consensus seems to be that the speed of
    gravity is the same as light using gravitational waves when observing
    a neutron star merger:

    <https://chatgpt.com/share/6aa97510-741c-83e8-a408-5ab1d1aa58f5>
    "In general relativity, gravity isn't treated as an instantaneous
    force. Changes in the gravitational field - such as those produced
    when massive objects accelerate - propagate through spacetime as
    gravitational waves, which travel at c.

    This was strongly confirmed observationally in 2017 when gravitational
    waves from a neutron-star merger (GW170817) and electromagnetic
    radiation from the same event arrived almost simultaneously after
    traveling roughly 130 million light-years. The observations
    constrained any difference between the speeds of gravity and light to
    an extraordinarily small amount."

    Unfortunately, the physics is also well above my pay scale.

    "Why Do Gravitational Waves Travel Exactly At The Speed Of Light?"

    <https://www.forbes.com/sites/startswithabang/2019/07/06/ask-ethan-why-do-gravitational-waves-travel-exactly-at-the-speed-of-ligh


    Things get ever more interwsting,
    today I was reading this about gravity and G:
    https://www.sciencedaily.com/releases/2026/09/260920032049.htm

    Scientists opened a sealed envelope after 10 years. Gravity still didn|ore4raot make
    sense
    Date:
    September 20, 2026
    Source:
    National Institute of Standards and Technology (NIST)
    Summary:
    A decade-long NIST experiment has produced a new measurement of the universal
    gravitational constant that differs unexpectedly from another leading result,
    deepening a 225-year-old physics puzzle.
    The discrepancy is tiny, but for one of nature|ore4raos most fundamental constants,
    it is large enough to keep scientists wondering whether hidden experimental
    errors or something more surprising is involved.

    So the G is now lower
    Their value for G was 6.67387 |arCo 10-11 meters3/kilogram/second2.
    Quote:
    That result is 0.0235% lower than the value obtained in the French experiment
    in 2007
    end quote

    Me:
    Now IF the measurements are both correct, than I would think
    "gravity decreases over time".

    Solar output varies as the seventh power of the gravitational constant.
    A steady decline in G would result in a cooler sun, with the change
    cited cooling the sun by about 1.5% -though it would take a long time
    for this affect to be evident as changes would have to propagate to the >surface from the core.

    If gravity were decreasing at that rate, then a few thousand years ago
    the surface of the earth would have been molten lava, so if you
    hypothesize a weakening gravity, it must have been weakening at a vastly >lower rate in the past.

    Yes,
    we need to know more about those 2 experiments,
    exactly how those were made and where,
    to eliminate external influences, like perhaps Moon position etc.


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