Deutsch English Français Italiano |
<1w2dnUn8G_Nk0xH7nZ2dnZfqn_WdnZ2d@giganews.com> View for Bookmarking (what is this?) Look up another Usenet article |
Path: ...!Xl.tags.giganews.com!local-2.nntp.ord.giganews.com!news.giganews.com.POSTED!not-for-mail NNTP-Posting-Date: Mon, 08 Jul 2024 20:41:29 +0000 Subject: Re: The failure of the unified field theory means general relativity fails. Newsgroups: sci.physics.relativity References: <693b1f71c994c268d60983eb81fc6aaa@www.novabbs.com> <rQzdO.250256$RcM6.3626@fx13.ams4> <17db55a7e5709ab7$1933$480477$c2365abb@news.newsdemon.com> <9283a49bcc091b1f621ebd566d650a38@www.novabbs.com> <fridnXzRMeebPOr7nZ2dnZfqlJ-dnZ2d@giganews.com> <6677e170$0$11724$426a74cc@news.free.fr> <GgOdnRiQkYyT3ef7nZ2dnZfqlJ-dnZ2d@giganews.com> <ldv7jcFpoddU9@mid.individual.net> <hRycnWu7NvCFvub7nZ2dnZfqnPidnZ2d@giganews.com> <667bc249$0$11713$426a74cc@news.free.fr> <fLmcnSyR2vOM7OH7nZ2dnZfqnPednZ2d@giganews.com> <6686f816$0$3283$426a74cc@news.free.fr> <5iudnThNzPCrnRr7nZ2dnZfqn_ednZ2d@giganews.com> <668842bc$0$7508$426a74cc@news.free.fr> <L4ecnY0vyKwbCBX7nZ2dnZfqnPudnZ2d@giganews.com> <6689a154$3$3899$426a34cc@news.free.fr> <hzWdnc3fgeyaYBT7nZ2dnZfqn_udnZ2d@giganews.com> <668a7047$0$11706$426a34cc@news.free.fr> <qpycnQZP2ZapaRf7nZ2dnZfqn_qdnZ2d@giganews.com> <668baa12$1$3285$426a34cc@news.free.fr> From: Ross Finlayson <ross.a.finlayson@gmail.com> Date: Mon, 8 Jul 2024 13:41:30 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: <668baa12$1$3285$426a34cc@news.free.fr> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Message-ID: <1w2dnUn8G_Nk0xH7nZ2dnZfqn_WdnZ2d@giganews.com> Lines: 156 X-Usenet-Provider: http://www.giganews.com X-Trace: sv3-C1rjGUEShuc/kQQANkhiR7AlipEg0IfXhgCDLh46SIu/bteVH0cyx7ITZPyGGIW90WzS9I43P9SiZQS!8oBPrZ/zdB2hhR+TXYBI8I9i5JsCiU53wiMxeOyU2JgV/U91a5e8v5gvNWQUjW7RbFEa/7OEVrlV!ZA== X-Complaints-To: abuse@giganews.com X-DMCA-Notifications: http://www.giganews.com/info/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 Bytes: 7723 On 07/08/2024 01:57 AM, J. J. Lodder wrote: > Ross Finlayson <ross.a.finlayson@gmail.com> wrote: > >> On 07/07/2024 03:39 AM, J. J. Lodder wrote: >>> Ross Finlayson <ross.a.finlayson@gmail.com> wrote: >>> >>>> On 07/06/2024 12:56 PM, J. J. Lodder wrote: >>>>> Ross Finlayson <ross.a.finlayson@gmail.com> wrote: >>>>> >>>>>> On 07/05/2024 12:00 PM, J. J. Lodder wrote: >>>>>>> Ross Finlayson <ross.a.finlayson@gmail.com> wrote: >>>>>>> >>>>>>>> On 07/04/2024 12:29 PM, J. J. Lodder wrote: >>>>>>>>> Ross Finlayson <ross.a.finlayson@gmail.com> wrote: >>>>>>>>> >>>>>>>>>> On 06/26/2024 12:24 AM, J. J. Lodder wrote: >>>>>>>>>>> Ross Finlayson <ross.a.finlayson@gmail.com> wrote: >>>>>>>>>>> >>>>>>>>>>>> On 06/24/2024 11:49 PM, Thomas Heger wrote: >>>>>>>>>>>>> Am Dienstag000025, 25.06.2024 um 05:57 schrieb Tom Roberts: >>>>>>>>>>>>> >>>>>>>>>>>>>>>> Nope. YOU have imposed specific units onto the >>>>>>>>>>>>>>>> formula/equation. The equation itself does not impose any >>>>>>>>>>>>>>>> particular units on its variables and constants [@], it merely >>>>>>>>>>>>>>>> requires that they be self-consistent. >>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> [@] There are many systems of units in common use. You >>>>>>>>>>>>>>>> seem to think there is only one. >>>>>>>>>>>>>>> >>>>>>>>>>>>>>> A forteriori, any result that depends on any particular choice >>>>>>>>>>>>>>> of units (or dimensions) is unphysical. >>>>>>>>>>>>>> >>>>>>>>>>>>>> Yes, of course. Good point. Similarly, any result that depends on >>>>>>>>>>>>>> choice of coordinates is unphysical. >>>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>>> Not quite... >>>>>>>>>>>>> >>>>>>>>>>>>> Because velocity is 'relative' (relative in respect to what you >>>>>>>>>>>>> regard as 'stationary'), kinetic energy is frame dependent. >>>>>>>>>>>>> >>>>>>>>>>>>> Since the used coordinate system defines 'stationary', you need a >>>>>>>>>>>>> coordinate system for kinetic energy and that for practically >>>>>>>>>>>>> everything else. >>>>>>>>>>>>> >>>>>>>>>>>>> TH >>>>>>>>>>>> >>>>>>>>>>>> When I hear "unphysical" I think it means "in the mathematical >>>>>>>>>>>> representation and having no attachment to the physical >>>>>>>>>>>> representation, in the system of units of the dimensional >>>>>>>>>>>> analysis in the geometric setting". >>>>>>>>>>>> >>>>>>>>>>>> The dimensional analysis and attachment to geometry and >>>>>>>>>>>> arithmetic usually is about the only "physical" there is. >>>>>>>>>>> >>>>>>>>>>> Dimensional analysis has nothing to do with physics. Dimensions >>>>>>>>>>> are man-made conventions. Nothing would change if the whole >>>>>>>>>>> concept had never been invented. >>>>>>>>>>> >>>>>>>>>>>> (Geometry and arithmetic and the objects of analysis and so on.) >>>>>>>>>>>> >>>>>>>>>>>> Things like "negative time" and "anti-deSitter space" are >>>>>>>>>>>> unphysical, as are the non-real parts of complex analysis, >>>>>>>>>>>> usually, though for example if you consider the Cartanian as >>>>>>>>>>>> essentially different from the Gaussian-Eulerian, complex >>>>>>>>>>>> analysis, then the Majorana spinor makes an example of a >>>>>>>>>>>> detectable observable, though, one might aver that that's its >>>>>>>>>>>> real part, in the hypercomplex. >>>>>>>>>>> >>>>>>>>>>> Well, yes, but that is another meaning of 'unphysical, >>>>>>>>>>> >>>>>>>>>>> Jan >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Yet, "conservation", i.e. "neither the destruction or creation", >>>>>>>>>> of quantities, is exactly as according to the quantity its units. >>>>>>>>> >>>>>>>>> Conservation laws do no depend on units and dimensions in any way. >>>>>>>>> >>>>>>>>>> The, "dimensionless", when a usual sort of "dimensional analysis" >>>>>>>>>> is the Buckingham-Pi approach, is a detachment of sorts from >>>>>>>>>> the "dimensional analysis". >>>>>>>>> >>>>>>>>> Yes, standard dimensional analysis, >>>>>>>>> >>>>>>>>> Jan >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>>> Oh, here that's called 'dimensionless analysis'. >>>>>>> >>>>>>> That's either an error or a silly neologism, >>>>>>> >>>>>>> Jan >>>>>>> >>>>> >>>>> [Higgs irrelevancies] >>>>> >>>>>> Quantities, and their derivations, have implicit units, >>>>>> about them. >>>>> >>>>> 'Implicit unit' is not a physical concept, >>>>> >>>>> Jan >>>>> >>>> > [unrelated stuff] >>>> Also "Nessie's hump". >>>> >>>> >>>> So, implicits, definitely do have a physical concept attached, >>>> and force, is a function of time. >>> >>> Word salad: Yes. >>> Clarity about 'Implied units': No, >>> >>> Jan >>> >> >> >> From an article the other day: > [snip yet another completely unrelated article] > >> Now I excuse me while I consider a belittling >> condescension then refrain. > > And still not a word about what 'implied units' might be, > > Jan > "What can't you reaD? This has been all about it." Hmm..., not very helpful. Force: is parameterized by time, force is a function of time. In Einstein's theory, "Relativity", "Relativity" has that the Space-Time is an differential-system of inertial-systems, parameterized by a "the time". So, it's implicit, and the implicits here reflect paramterizations of functions who symbolic representations represent algebraic quantities, and "implicit" has its usual meaning from differential analysis. Then, implicits like "the infinitely-many implicit quantitiers in front of each variable in a logical expression", gets into quantification, and, quantification. The "usual" meaning(s).