Re: the notion of relativity of simultaneity

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Sujet : Re: the notion of relativity of simultaneity
De : python (at) *nospam* not-formail.invalid (Python)
Groupes : sci.physics.relativity
Date : 03. Oct 2024, 13:53:00
Autres entêtes
Organisation : Nemoweb
Message-ID : <srE_IMbZF9dmXPkUjOpbkdj7YJs@jntp>
References : 1 2 3 4 5 6 7 8 9
User-Agent : Nemo/1.0
Le 03/10/2024 à 14:49, Richard Hachel  a écrit :
Le 03/10/2024 à 09:09, Thomas Heger a écrit :
 The comoving hyperplane (comoving with the observer) is usually called 'hyperplane of the present.
  Absolument.
 
This is so, because a spacetime diagram uses only two dimensions for space and one for time, because in pseudo-3d it is not possible to depict more dimensions.
  Absolument.
 This 'hyperplane of the present' is therefore depicted as a sheet, but actually means a space.
  Absolument.
 This space is the space of all events, which could be conneted to the place called 'here and now' by the observer,
  Absolument.
 
if he would use a hypothetical signal with infinite velocity.
 This is already the case.
 There is no need to imagine an infinite speed of information, because in this case, for the direct observer who "sees" the information arriving, it IS live.
 
 This is, of course, not possible, hence only points are accessible, which are located upon the observers future light cone.
 The notion of hypercone of light no longer has any reason to exist, we should no longer use this term which adds nothing, even if it is true that for an external observer B the hyperplane of A is transformed into a hypercone for B in its hyperplane.
 
But for definitions we do not need to care about such limitations and could regard as 'present', what is placed upon the hyperplane of the present (instead of the positions on the light cone).
 Absolument.
 
TH
 R.H.
https://fr.wiktionary.org/wiki/asinus_asinum_fricat
https://www.latin-is-simple.com/en/vocabulary/phrase/181/
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Date Sujet#  Auteur
1 Oct 24 * the notion of relativity of simultaneity71Richard Hachel
1 Oct 24 +* Re: the notion of relativity of simultaneity40Python
1 Oct 24 i+* Re: the notion of relativity of simultaneity36Thomas Heger
1 Oct 24 ii+- Re: the notion of relativity of simultaneity1Python
1 Oct 24 ii`* Re: the notion of relativity of simultaneity34Richard Hachel
1 Oct 24 ii `* Re: the notion of relativity of simultaneity33Python
1 Oct 24 ii  +* Re: the notion of relativity of simultaneity2Richard Hachel
1 Oct 24 ii  i`- Re: the notion of relativity of simultaneity1Python
2 Oct 24 ii  `* Re: the notion of relativity of simultaneity30Thomas Heger
2 Oct 24 ii   +* Re: the notion of relativity of simultaneity26Python
2 Oct 24 ii   i+* Re: the notion of relativity of simultaneity3Maciej Wozniak
2 Oct 24 ii   ii`* Re: the notion of relativity of simultaneity2Python
2 Oct 24 ii   ii `- Re: the notion of relativity of simultaneity1Maciej Wozniak
2 Oct 24 ii   i+- Re: the notion of relativity of simultaneity1Richard Hachel
3 Oct 24 ii   i`* Re: the notion of relativity of simultaneity21Thomas Heger
3 Oct 24 ii   i +* Re: the notion of relativity of simultaneity4Python
3 Oct 24 ii   i i`* Re: the notion of relativity of simultaneity3Richard Hachel
3 Oct 24 ii   i i `* Re: the notion of relativity of simultaneity2Python
3 Oct 24 ii   i i  `- Re: the notion of relativity of simultaneity1Richard Hachel
3 Oct 24 ii   i +* Re: the notion of relativity of simultaneity5Richard Hachel
3 Oct 24 ii   i i+* Re: the notion of relativity of simultaneity2Python
3 Oct 24 ii   i ii`- Re: the notion of relativity of simultaneity1Richard Hachel
5 Oct 24 ii   i i`* Re: the notion of relativity of simultaneity2Thomas Heger
5 Oct 24 ii   i i `- Re: the notion of relativity of simultaneity1Richard Hachel
3 Oct 24 ii   i `* Re: the notion of relativity of simultaneity11Richard Hachel
3 Oct 24 ii   i  +- Re: the notion of relativity of simultaneity1Python
5 Oct 24 ii   i  `* Re: the notion of relativity of simultaneity9Thomas Heger
5 Oct 24 ii   i   `* Re: the notion of relativity of simultaneity8Richard Hachel
6 Oct 24 ii   i    `* Re: the notion of relativity of simultaneity7Thomas Heger
6 Oct 24 ii   i     +- Re: the notion of relativity of simultaneity1Richard Hachel
6 Oct 24 ii   i     `* Re: the notion of relativity of simultaneity5Richard Hachel
8 Oct 24 ii   i      `* Re: the notion of relativity of simultaneity4Thomas Heger
8 Oct 24 ii   i       `* Re: the notion of relativity of simultaneity3Maciej Wozniak
11 Oct 24 ii   i        `* Re: the notion of relativity of simultaneity2Thomas Heger
11 Oct 24 ii   i         `- Re: the notion of relativity of simultaneity1Richard Hachel
2 Oct 24 ii   `* Re: the notion of relativity of simultaneity3Richard Hachel
3 Oct 24 ii    `* Re: the notion of relativity of simultaneity2Thomas Heger
3 Oct 24 ii     `- Re: the notion of relativity of simultaneity1Richard Hachel
1 Oct 24 i`* Re: the notion of relativity of simultaneity3Richard Hachel
1 Oct 24 i +- Re: the notion of relativity of simultaneity1Python
2 Oct 24 i `- Re: the notion of relativity of simultaneity1Mikko
7 Oct 24 +* Re: the notion of relativity of simultaneity27JanPB
7 Oct 24 i`* Re: the notion of relativity of simultaneity26Richard Hachel
8 Oct 24 i +* Re: the notion of relativity of simultaneity2Python
8 Oct 24 i i`- Re: the notion of relativity of simultaneity1Richard Hachel
9 Oct 24 i `* Re: the notion of relativity of simultaneity23Mikko
9 Oct 24 i  `* Re: the notion of relativity of simultaneity22Richard Hachel
10 Oct 24 i   `* Re: the notion of relativity of simultaneity21Mikko
10 Oct 24 i    `* Re: the notion of relativity of simultaneity20Richard Hachel
11 Oct 24 i     `* Re: the notion of relativity of simultaneity19Mikko
11 Oct 24 i      +- Re: the notion of relativity of simultaneity1Richard Hachel
12 Oct 24 i      `* Re: the notion of relativity of simultaneity17Thomas Heger
12 Oct 24 i       `* Re: the notion of relativity of simultaneity16Mikko
12 Oct 24 i        +- Re: the notion of relativity of simultaneity1Maciej Wozniak
12 Oct 24 i        `* Re: the notion of relativity of simultaneity14Richard Hachel
12 Oct 24 i         +* Re: the notion of relativity of simultaneity9Python
12 Oct 24 i         i+* Re: the notion of relativity of simultaneity4Maciej Wozniak
12 Oct 24 i         ii`* Re: the notion of relativity of simultaneity3Python
12 Oct 24 i         ii `* Re: the notion of relativity of simultaneity2Maciej Wozniak
12 Oct 24 i         ii  `- Re: the notion of relativity of simultaneity1Python
12 Oct 24 i         i`* Re: the notion of relativity of simultaneity4Richard Hachel
13 Oct 24 i         i `* Re: the notion of relativity of simultaneity3Python
13 Oct 24 i         i  `* Re: the notion of relativity of simultaneity2Maciej Wozniak
13 Oct 24 i         i   `- Re: the notion of relativity of simultaneity1Python
13 Oct 24 i         +* Re: the notion of relativity of simultaneity3Thomas Heger
13 Oct 24 i         i`* Re: the notion of relativity of simultaneity2Richard Hachel
14 Oct 24 i         i `- Re: the notion of relativity of simultaneity1Thomas Heger
13 Oct 24 i         `- Re: the notion of relativity of simultaneity1Mikko
14 Oct 24 `* Re: the notion of relativity of simultaneity3Sylvia Else
14 Oct 24  +- Re: the notion of relativity of simultaneity1Richard Hachel
14 Oct 24  `- Re: the notion of relativity of simultaneity1Maciej Wozniak

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