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Groups > sci.physics > #710827

Re: Curved space and fields

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>

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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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Thread

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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