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Re: From first principles what is the definition of spacetime?

From benj <benj.fake@gmail.com>
Newsgroups sci.physics
Subject Re: From first principles what is the definition of spacetime?
Date 2018-08-19 12:26 -0400
Organization Aioe.org NNTP Server
Message-ID <plc5n2$1l36$1@gioia.aioe.org> (permalink)
References <fe14a91d-9d6a-4ef4-adeb-0c5ff3c4e70f@googlegroups.com> <ftsgfaFgmeU1@mid.individual.net> <395b0b30-266b-4203-9b31-e9d0c2054c5f@googlegroups.com>

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On 8/19/2018 3:05 AM, Arindam Banerjee wrote:
> On Sunday, 19 August 2018 16:19:27 UTC+10, Sylvia Else  wrote:
>> On 19/08/2018 4:08 PM, Arindam Banerjee wrote:
>>>   From first principles what is the definition of spacetime?
>>>
>>> How does it support the transmission of light?
>>
>> Physics doesn't answer "how", it only answers "what".
> 
> Certainly conventional physics answers "how" with theories and supportive facts.
> Like gravity as an universal force (theory) is used to explain *how* things fall to earth (fact).
> 
>>>
>>> No mathematical blah, please.
>>>
>>
>> That could be difficult - maybe mere words are not up to the task. Is
>> science to be so limited?
> 
> 
> Yes. Honesty is there as a must to be followed in conventional physics. Mathematics in conventional physics is only a brief and convenient alternative to making a wordy statement.
> 
> Mathematics can be used by dishonest people to make fallacious points, for dubious purposes.
>>
>>
>>> Just follow the scientific methods.
>>>
>>> State your axioms, and build upon them to form a theory.  Then validate that theory with experiment. Make valid predictions with the theory.
>>>
>>>
>>
>> Axioms? This isn't mathematics. The starting point for physics is the
>> collection of experimental results.
> 
> Axioms, as basic and undisputable units of information, are required everywhere, as we all must agree upon them to start any discussion.

True because mathematics is pure fantasy and can be made to do anything 
one wishes. Reality on the other hand is real and only does what nature 
allowes.


> If your axiom is that I must accept the speed of light to be independent of the source then with those, like me, who do not accept this, there is no further discussion.
> 
> Any discussion can only progress when there is a certain level of agreement. When there is no such agreement, there can  be no discussion, only politics.
> 
> Cheers,
> Arindam Banerjee
> 
> 
>> Sylvia.
> 

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Thread

From first principles what is the definition of spacetime? Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-08-18 23:08 -0700
  Re: From first principles what is the definition of spacetime? Sylvia Else <sylvia@not.at.this.address> - 2018-08-19 16:19 +1000
    Re: From first principles what is the definition of spacetime? Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-08-19 00:05 -0700
      Re: From first principles what is the definition of spacetime? Sylvia Else <sylvia@not.at.this.address> - 2018-08-19 19:00 +1000
        Re: From first principles what is the definition of spacetime? poraty149@gmail.com - 2018-08-19 02:39 -0700
          Re: From first principles what is the definition of spacetime? poraty149@gmail.com - 2018-08-19 02:43 -0700
        Re: From first principles what is the definition of spacetime? Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-08-19 06:21 -0700
          Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-19 14:01 +0000
            Re: From first principles what is the definition of spacetime? benj <benj.fake@gmail.com> - 2018-08-19 12:45 -0400
              Re: From first principles what is the definition of spacetime? john <johnsefton288@gmail.com> - 2018-08-19 09:53 -0700
                Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-19 20:47 +0000
              Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-19 18:26 +0000
            Re: From first principles what is the definition of spacetime? Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-08-19 17:45 -0700
        Re: From first principles what is the definition of spacetime? benj <benj.fake@gmail.com> - 2018-08-19 12:29 -0400
      Re: From first principles what is the definition of spacetime? benj <benj.fake@gmail.com> - 2018-08-19 12:26 -0400
    Re: From first principles what is the definition of spacetime? benj <benj.fake@gmail.com> - 2018-08-19 12:23 -0400
      Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-19 18:26 +0000
        Re: From first principles what is the definition of spacetime? john <johnsefton288@gmail.com> - 2018-08-19 12:05 -0700
          Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-19 20:47 +0000
            Re: From first principles what is the definition of spacetime? john <johnsefton288@gmail.com> - 2018-08-19 14:19 -0700
  From first principles what is the definition of spacetime? Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-08-19 05:39 -0700
    Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-19 14:01 +0000
      Re: From first principles what is the definition of spacetime? benj <benj.fake@gmail.com> - 2018-08-19 12:41 -0400
        Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-19 18:26 +0000
      Re: From first principles what is the definition of spacetime? Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-08-19 17:32 -0700
        Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-20 14:17 +0000
    Re: From first principles what is the definition of spacetime? Sergio <invalid@invalid.com> - 2018-08-19 13:37 -0500
      Re: From first principles what is the definition of spacetime? benj <benj.fake@gmail.com> - 2018-08-20 14:18 -0400
        Re: From first principles what is the definition of spacetime? Sergio <invalid@invalid.com> - 2018-08-21 13:38 -0500
      Re: From first principles what is the definition of spacetime? Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-08-21 18:56 -0700
  Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-19 14:01 +0000
    Re: From first principles what is the definition of spacetime? Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-08-19 17:29 -0700
      Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-20 13:38 +0000
        Re: From first principles what is the definition of spacetime? john <johnsefton288@gmail.com> - 2018-08-20 07:01 -0700
          Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-20 14:29 +0000
        Re: From first principles what is the definition of spacetime? Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-08-20 16:06 -0700
          Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-21 00:43 +0000
            Re: From first principles what is the definition of spacetime? Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-08-20 18:25 -0700
    Re: From first principles what is the definition of spacetime? poraty149@gmail.com - 2018-08-20 18:33 -0700
      Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-21 12:52 +0000
        Re: From first principles what is the definition of spacetime? poraty149@gmail.com - 2018-08-21 11:10 -0700
          Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-21 18:56 +0000
          Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-21 18:59 +0000
            Re: From first principles what is the definition of spacetime? poraty149@gmail.com - 2018-08-21 19:44 -0700
              Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-22 12:21 +0000
                Re: From first principles what is the definition of spacetime? john <johnsefton288@gmail.com> - 2018-08-22 07:10 -0700
                Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-22 14:39 +0000
                Re: From first principles what is the definition of spacetime? poraty149@gmail.com - 2018-08-22 11:23 -0700
                Re: From first principles what is the definition of spacetime? poraty149@gmail.com - 2018-08-22 11:42 -0700
                Re: From first principles what is the definition of spacetime? Odd Bodkin <bodkinodd@gmail.com> - 2018-08-22 20:43 +0000
                Re: From first principles what is the definition of spacetime? poraty149@gmail.com - 2018-08-22 20:17 -0700
          Re: From first principles what is the definition of spacetime? Sergio <invalid@invalid.com> - 2018-08-21 15:06 -0500
            Re: From first principles what is the definition of spacetime? poraty149@gmail.com - 2018-08-21 19:58 -0700
          Re: From first principles what is the definition of spacetime? "reber G=emc^2" <herbertglazier0@gmail.com> - 2018-08-21 19:28 -0700
  From first principles what is the definition of spacetime? john <johnsefton288@gmail.com> - 2018-08-19 10:14 -0700
  Re: From first principles what is the definition of spacetime? Alan Folmsbee <omnilobe@gmail.com> - 2018-08-19 12:24 -0700
    Re: From first principles what is the definition of spacetime? john <johnsefton288@gmail.com> - 2018-08-19 13:07 -0700
  Re: From first principles what is the definition of spacetime? mitchrae3323@gmail.com - 2018-08-21 13:02 -0700

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