Re: Curved space and fields

From	Odd Bodkin <bodkinodd@gmail.com>
Newsgroups	sci.physics
Subject	Re: Curved space and fields
Date	2018-11-02 11:34 +0000
Organization	Aioe.org NNTP Server
Message-ID	<prhcne$1riu$1@gioia.aioe.org> (permalink)
References	(8 earlier) <prf8jo$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> <74a650fc-d142-408e-b1d7-921a6550b956@googlegroups.com>

Show all headers | View raw

<yporat08@gmail.com> wrote:
> On Thursday, November 1, 2018 at 9:59:20 PM UTC+2, Odd Bodkin 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 don t have the
>>>>> foggiest idea how to do one calculation with it! For that matter, I m
>>>>> pretty sure you couldn t 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 dont get a reply in an
>> hour and you think youve 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. 
>> 
>> 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 doesnt 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 dont. If the calculations Ive 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
> =====================We don't  need your
> 'many people' knowing how to use curved  space 
> even  just onem of them that will 
> do it  right is enough !!
> but the fact is that though all  those 
> pompous mumblings of yours and others 
> -no one even  NASA does not and did not
> ever- use it !

Well, the engineers who built GPS use it. 

But I’ll repeat my earlier comment that the value of a scientific theory is
not housed in how much practical use is made of it. That’s not what science
is for. That’s what engineering is for. Don’t confuse science and
engineering. 

> and will  never use it
> and no one will proving using it 
> because 
> it is one of the biggest ''flops
> in the history of science !!
> not to mansion
> anyone to use it
> in   practical   life !!!
> 
> (NASSA use and will use
> the ordinary   Newtonian physics 
> not bull shit physics 
> 2
> ====================================MASS** IS THE CREATOR OF ALL FORCES  
> INCULDING    GRAVITY !! 
> ==============================
> no curvature and no schmervature of space !!
> =================Y.Porat
> ===================
>  ==========



-- 
Odd Bodkin -- maker of fine toys, tools, tables

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

csiph-web