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Groups > sci.physics > #710827
| From | Odd Bodkin <bodkinodd@gmail.com> |
|---|---|
| Newsgroups | sci.physics |
| Subject | Re: Curved space and fields |
| Date | 2018-11-01 20:03 +0000 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <prfm6r$19gs$2@gioia.aioe.org> (permalink) |
| References | (7 earlier) <1b5a085d-b26d-4b19-9c52-7e9644152e35@googlegroups.com> <prf8jo$hss$1@gioia.aioe.org> <7f8732e3-0c9b-4b39-913d-1b221d2f4617@googlegroups.com> <870e938c-dc74-45f7-9359-504d8f8e1e71@googlegroups.com> <prfluj$1900$1@gioia.aioe.org> |
Odd Bodkin <bodkinodd@gmail.com> wrote: > <yporat08@gmail.com> wrote: >> On Thursday, November 1, 2018 at 7:44:07 PM UTC+2, ypor...@gmail.com wrote: >>> On Thursday, November 1, 2018 at 6:11:43 PM UTC+2, Odd Bodkin wrote: >>>> <yporat08@gmail.com> wrote: >>>>> On Thursday, November 1, 2018 at 4:36:35 PM UTC+2, Odd Bodkin wrote: >>>>>> <yporat08@gmail.com> wrote: >>>>>>> On Tuesday, October 30, 2018 at 2:12:46 PM UTC+2, Odd Bodkin wrote: >>>>>>>> <yporat08@gmail.com> wrote: >>>>>>>>> On Monday, October 29, 2018 at 6:59:53 PM UTC+2, pnal...@gmail.com wrote: >>>>>>>>>> Well, loosely speaking, aren't we all interstellar beings? >>>>>>>>> >>>>>>>>> ================================> > >>>>>>>>> If so >>>>>>>>> why NASA does not use >>>>>>>>> curved space '' >>>>>>>>> in its interstellar calculations ??!!! >>>>>>>>> => > TIA >>>>>>>>> Y.P >>>>>>>>> =============================================> > >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>>> Because the approximation is good enough. >>>>>>>> >>>>>>>> -- >>>>>>>> Odd Bodkin -- maker of fine toys, tools, tables >>>>>>> ================================(:-) >>>>>>> ok !! >>>>>>> IF SO please show us >>>>>>> >>>>>>> WAHT IS THE REAL CALCULATION >>>>>>> AND WHAT IS THE APROXIMATION &.CALCULATION >>>>>> >>>>>> Calculation of what, exactly. You seem to think that there is one GR >>>>>> calculation and one Newtonian calculation for every NASA trajectory they >>>>>> investigate. Really??? >>>>>> >>>>>>> >>>>>>> >>>>>>> I THNK YOU KNOW just mumbling is not good enough ..in science >>>>>>> (after all I think you are a physics teacher ) >>>>>>> >>>>>> >>>>>> I m not a physics teacher, and coming here to beg to be taught physics is >>>>>> silly. This isn t the place to learn physics. Concentrated study is. >>>>>> >>>>>> You didn t become an engineer by asking to be taught engineering in a >>>>>> newsgroup, did you? >>>>>> >>>>>> >>>>>> -- >>>>>> Odd Bodkin Maker of fine toys, tools, tables >>>>> =======================common!! >>>>> if you say that the proximation is good enough >>>>> means that***** you*** know what about what you are talking talking !!! >>>>> and you know what is the approximation >>>>> and you know what is the exactly >>>>> >>>>> what is right and what is not right >>>> >>>> >>>> Yes. And the differences between the two models depend on the application! >>>> Of course!! >>>> >>>> And you come here and rant day after day about GR when you dont have the >>>> foggiest idea how to do one calculation with it! For that matter, Im >>>> pretty sure you couldnt calculate a Newtonian orbit either. >>> ==================> AND YOU CAN CALCULLE CURVED SPACE basic PROBOLMS >>> ?? >>> >>> LET US SEE: >>> >>> pleas tell us what is the RADIUS OF CURVETURE >>> ""OF CURVED SPACE** >>> AROND OUR GLOBE ??? >>> >>> (a modest basic request isn't it so !!!!!) >>> >>> is it not a modest request ??for a physicist like you >>> ?? >>> that is pretending to know >>> more than me !! >>> >>> => TIA >>> Y.P >>> ============> >>> >>> >>>> >>>>> or else you are mumbling irresponsibly about things that >>>>> you don't know ???!!!!! >>>>> or may be an imposter ??! >>>>> we are not here in children's games >>>>> >>>>> or else yo are just a parrot !! >>>>> in shot >>>>> if you know** >>>>> say I know exactly about what i am talking >>>>> and if you dint know >>>>> say >>>>> honestly >>>>> I have no idea what is done there >>>>> and have no idea >>>>> why ] >>>>> curved space is neglected there >>>>> and even worse >>>>> you exactly don't know wat is going on there >>>>> if so >>>>> be honest and say >>>>> I don't know what are their considerations there >>>>> and what is that they know\or not >>>>> all along the way from earth >>>>> to Mars !! >>>>> or may be they think that >>>>> curved space'' is not relevant for them and why ?? >>>>> or not relevant to**any* actual possible project >>>>> >>>>> of NASSA >>>>> or may be YOU tell us >>>>> in which project it might be RELEVANT >>>>> and if you don't know >>>>> >>>>> say >>>>> I DONT KNOW !!!!! >>>>> or may be >>>>> iow >>>>> nonsense physics with zero use to anything !!?? >>>>> TIA >>>>> Y.P >>>>> ============================================no Bodkin as usual >> is fading away !!! >> actually >> not me and even not Bodkin have to know >> the calculations of s >> sending a human being to mars >> it is NASA job >> not forr us >> and yet >> even as a standing aside >> >> with some commonsense >> even by standing by side >> the known facts are good enough foe us semi intelligent people >> that are not just parrots >> to realize that >> CURVED SPACE'' IS NOT USED A BIT !!! >> >> in that Marrs job !!! >> and not anywhere >> >> much worse :: >> >> IT IS GOOD FOR NOTHING PRACTIALY!! >> only for professors getting payed >> for teaching poor students >> about ''CURVED SPACE'' >> ===TIA >> Y.Porat >> ==================== > > Is fading away.... > lol. You have the patience of a two year old. You don’t get a reply in an > hour and you think you’ve chased people away. Some people have a life away > from the newsgroup. > > The radius of curvature of SPACETIME (not space) is about 31 billion feet. Missed a word. 31 million billion feet. > > You can calculate this just by taking a trajectory of a thrown ball that > covers 30 horizontal feet in about a second, rising about 4 feet to the > apex of its trajectory. A second of time is a billion nanoseconds or about > a billion feet of time, using natural units. For a curved trajectory, the > sagitta s and the chord length c are related to the radius of curvature r > by a simple geometric relation: c^2 = 8sr. > > In Newtonian physics, the curvature of space is zero. The curvature of the > surface of the earth has absolutely nothing to do with the curvature of > space. > > Now, in case this doesn’t clear things up for you, let me point out that > there are plenty people in this newsgroup who do know how to do this simple > calculations even if you don’t. If the calculations I’ve just described are > still Greek to you, just take that as an indicator of how much remedial > info you have to learn before you can talk about GR intelligently. > -- Odd Bodkin — Maker of fine toys, tools, tables
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Curved space and fields john <johnsefton288@gmail.com> - 2018-10-29 05:50 -0700
Re: Curved space and fields Odd Bodkin <bodkinodd@gmail.com> - 2018-10-29 14:34 +0000
Re: Curved space and fields moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-10-29 14:43 +0000
Re: Curved space and fields yporat08@gmail.com - 2018-10-29 09:07 -0700
Re: Curved space and fields pnalsing@gmail.com - 2018-10-29 09:59 -0700
Re: Curved space and fields "reber G=emc^2" <herbertglazier0@gmail.com> - 2018-10-29 10:04 -0700
Re: Curved space and fields Odd Bodkin <bodkinodd@gmail.com> - 2018-10-29 17:32 +0000
Re: Curved space and fields pnalsing@gmail.com - 2018-10-29 23:32 -0700
Re: Curved space and fields Sergio <invalid@invalid.com> - 2018-10-29 12:34 -0500
Re: Curved space and fields yporat08@gmail.com - 2018-10-29 23:03 -0700
Re: Curved space and fields Odd Bodkin <bodkinodd@gmail.com> - 2018-10-30 12:12 +0000
Re: Curved space and fields yporat08@gmail.com - 2018-10-31 17:44 -0700
Re: Curved space and fields Odd Bodkin <bodkinodd@gmail.com> - 2018-11-01 14:36 +0000
Re: Curved space and fields yporat08@gmail.com - 2018-11-01 08:21 -0700
Re: Curved space and fields Odd Bodkin <bodkinodd@gmail.com> - 2018-11-01 16:11 +0000
Re: Curved space and fields yporat08@gmail.com - 2018-11-01 10:44 -0700
Re: Curved space and fields yporat08@gmail.com - 2018-11-01 11:52 -0700
Re: Curved space and fields Odd Bodkin <bodkinodd@gmail.com> - 2018-11-01 19:59 +0000
Re: Curved space and fields Odd Bodkin <bodkinodd@gmail.com> - 2018-11-01 20:03 +0000
Re: Curved space and fields yporat08@gmail.com - 2018-11-01 18:42 -0700
Re: Curved space and fields Odd Bodkin <bodkinodd@gmail.com> - 2018-11-02 11:34 +0000
Re: Curved space and fields yporat08@gmail.com - 2018-11-02 04:57 -0700
Re: Curved space and fields Odd Bodkin <bodkinodd@gmail.com> - 2018-11-02 12:10 +0000
Re: Curved space and fields Edward Prochak <edprochak@gmail.com> - 2018-10-30 06:35 -0700
Re: Curved space and fields mitchrae3323@gmail.com - 2018-10-29 11:16 -0700
Re: Curved space and fields Sergio <invalid@invalid.com> - 2018-10-29 14:12 -0500
Re: Curved space and fields "reber G=emc^2" <herbertglazier0@gmail.com> - 2018-10-30 08:19 -0700
Re: Curved space and fields Sergio <invalid@invalid.com> - 2018-10-30 11:00 -0500
Re: Curved space and fields mitchrae3323@gmail.com - 2018-10-30 14:02 -0700
Re: Curved space and fields Edward Prochak <edprochak@gmail.com> - 2018-10-29 12:26 -0700
Re: Curved space and fields Wally W. <ww84wa@aim.com> - 2018-10-29 23:45 -0400
Re: Curved space and fields Edward Prochak <edprochak@gmail.com> - 2018-10-30 06:29 -0700
Re: Curved space and fields Sergio <invalid@invalid.com> - 2018-10-30 11:10 -0500
Re: Curved space and fields "reber G=emc^2" <herbertglazier0@gmail.com> - 2018-10-30 11:35 -0700
Re: Curved space and fields Edward Prochak <edprochak@gmail.com> - 2018-10-30 12:42 -0700
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