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|    sci.physics.relativity    |    The theory of relativity    |    225,861 messages    |
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|    Message 225,828 of 225,861    |
|    Chris M. Thomasson to Thomas Heger    |
|    Re: What is "present time" in physics? (    |
|    23 Feb 26 13:06:40    |
      From: chris.m.thomasson.1@gmail.com              On 2/23/2026 3:25 AM, Thomas Heger wrote:       > Am Samstag000021, 21.02.2026 um 19:07 schrieb Ross Finlayson:       >> On 09/04/2024 10:10 AM, Ross Finlayson wrote:       >>> On 09/04/2024 08:10 AM, Richard Hachel wrote:       >>>> The problem of relativity is the understanding of the notion of present       >>>> time, that is to say the notion of simultaneity (which should not be       >>>> confused with the notion of chronotropy).       >>>> Is there on the planet Fomalhaut IV, a princess Alexandra who lives       >>>> there, at the same time as me; me who is here on earth?       >>>> That is to say in the same present moment?       >>>> It must be said that yes, since whatever procedure of universal       >>>> synchronization I adopt, whether mine or that of Albert Einstein, there       >>>> is necessarily a LABEL, and only one, to characterize the existence of       >>>> Alexandra simultaneous with mine.       >>>> But according to the method of "synchronization of present time", we       >>>> will not have the same label.       >>>> Einstein uses procedure M, Hachel procedure H.       >>>> Procedure M is the most practical, procedure H is the most true.       >>>> Procedure M is the most practical, because it derives from the       >>>> synchronization of the present time on a point M placed very far       >>>> away in       >>>> an imaginary fourth dimension, and at an equal distance from all the       >>>> points constituting our universe. This gives an abstract universal       >>>> time,       >>>> but very useful, where the notion of universal present time is flat,       >>>> and       >>>> reciprocal. If A exists at the same time as B for M, then B exists at       >>>> the same time as A for M. It is very practical.       >>>> Procedure H proposed by Richard Hachel is less practical, but truer. It       >>>> is less practical, because the notion of symmetry of the present time       >>>> will not be absolute. But it is truer, physically more accurate, and       >>>> more beautiful. It will remain eternally true experimentally, and       >>>> eternally more beautiful philosophically. What could be more beautiful       >>>> than saying to a child: "This horse in this meadow, this moon in the       >>>> sky, this galaxy in this telescope, you see them instantly, as they are       >>>> today, live-live".       >>>> What is uglier than human thought, which thinks it is intelligent,       >>>> even though it is full of stupid mockery, conceptual imbecilities,       >>>> simply because it can say, as all morons say: "The speed of light is c,       >>>> we know it, we have measured it, experimented with it, and we get       >>>> 3.10^8m/s".       >>>> This is the most stupid reflection in the history of humanity, proposed       >>>> by mocking morons (Python, John Baez) who think they are funny and       >>>> intelligent, authorized mockers, but who have not understood anything       >>>> about the notion of universal anisochrony and the two possible ways in       >>>> which we can (or even MUST be able to) synchronize the clocks of the       >>>> universe.       >>>>       >>>> R.H.       >>>       >>> The (physical) space-time is a (mathematical) coordinate space, and       >>> the (physical) Space-Time is the continuous manifold of the field number       >>> formalism of QM combined with the inertial-systems'       >>> differential-system GR, where according to Einstein the GR is       >>> a differential-system parameterized by a "the time", and in       >>> QM the time-reversibility has never been falsified, with the       >>> time-ordering of the path-integral being pretty much classical,       >>> a "clock hypothesis" is not un-usual, that with respect to a       >>> coordinate space, yet there's only a forward-pointing ray of time,       >>> between zero and one a vector field over the entirety of Space-Time,       >>> that in deep space in absolute vacuum at absolute zero equals one.       >>>       >>> Clocks either slow or meet, ....       >>>       >>> That "there are no closed time-like curves" and "time reversibility       >>> has never been falsified" then as with regards to null geodesics       >>> and any usual ideas about using the time-like as simply an extra       >>> "Fourth Dimension" for only mathematical extrapolation, has that       >>> physically it might as well just be considered "the gradient" as       >>> with regards to "t" everywhere universally parameterizing the       >>> differential-system and time-ordering of GR and QM.       >>>       >>> This sort of theory can for example reduce functional freedom       >>> from 10^120 to approximately 1, while that "time dilation plus       >>> length contraction equals space contraction" is simply enough       >>> as of the FitzGeraldian and associated considerations of the       >>> Heaviside and Larmour with respect to Lorentz, while in QM       >>> there are both low-energy and high-energy supersymmetry, as       >>> whether "virtual" particles are just another model of continuum       >>> dynamics.       >>>       >>> I.e., all one theory, all one manifold, all one t.       >>>       >>> The d'Espagnat on a model philosopher's model physicist's       >>> model philosophy's model physics, "objective realism",       >>> with Broglie-Bohm and Aspect-like extra-locality, as       >>> with regards to "anti-realist model physics", helps       >>> explore then why making for a clock hypothesis and       >>> a "the time" as Einstein does in "Out of My Later Years",       >>> why curved space-time is just a model in the Cartesian       >>> for "space contraction" then that though its consideration       >>> as a "Fourth Dimension" asks a bit much of a simple numerical       >>> resource of a mathematical/physical continuum, continuous       >>> manifold.       >>>       >>>       >>> What time is now?       >>>       >       > Now is actually now!              What about the now, now... ;^D              https://youtu.be/nRGCZh5A8T4              lol. Always cracked me up.                            >       > Time is most likely a local phenomenon and the point called 'now'       > devides the continuum of time into past and future.       >       > There 'future' is everything happening later than 'now' and 'past' means       > everything earlier.       >       > But we usually don't know, what happens now in remote locations, hence       > the so called 'hypersheet of the present' is mainly invisible.       >       > What we can actually see belongs to our own past light cone (only!),       > because the future is invisible and also the present.       >       > What we can see is therefore belonging to our own past.       >       > Now the question: what 'topology' does spacetime actually have?       >       > Well, I personally think, that bing bang theory is mainly wrong, because       > the universe has no beginning and no end and therefore it makes not       > sense to ask the question, which time 'now' has.       >       > Time as we use it is based upon an arbitrary reference point in time, at       > which we start to count days and years, hence beginn to counting of time.       >       > This setting of a start had been done repeatedly in the past and for       > various staring points.       >              [continued in next message]              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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