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Relativity Paradoxes Explained



 
 
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  #1  
Old July 9th 07, 12:40 PM posted to sci.physics.relativity,sci.physics,sci.physics.cond-matter,sci.philosophy.tech,sci.astro
Pentcho Valev
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Posts: 8,078
Default Relativity Paradoxes Explained


Harald van Lintel wrote in sci.physics.relativity:
wrote in message
oups.com...
Perhaps hearing the explanation verbally expressed would help those
having a difficult time with the written explanations. Here is a
youtube blog about it
http://www.youtube.com/watch?v=XkpBoAMCVZs


Cool. :-)


"Cool" say zombies when they learn that acceleration is the cause of
the greater youthfulness of the travelling twin. From time to time
zombies learn that the greater youthfulness of the travelling twin has
nothing to do with acceleration - see Problem 19, "Modified twin
paradox", on p. 49, solution on p. 65, in

http://www.courses.fas.harvard.edu/~...tbook/ch10.pdf

Zombies say "cool" again. Finally, zombies learn that Einstein wrote a
very silly paper in 1918:

http://www.iisc.ernet.in/currsci/dec252005/2009.pdf

and that "experts cannot agree whether its [Einstein theory's] most
famous predictions -- that time goes more slowly and lengths contract
in things that move with respect to an observer -- are real or not"
http://www.spectator.org/dsp_article.asp?art_id=11614

Zombies say "cool".

Pentcho Valev

  #2  
Old July 9th 07, 02:01 PM posted to sci.physics.relativity,sci.physics,sci.physics.cond-matter,sci.philosophy.tech,sci.astro
harry[_1_]
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Posts: 50
Default Relativity Paradoxes Explained


"Pentcho Valev" wrote in message
oups.com...

Harald van Lintel wrote in sci.physics.relativity:
wrote in message
oups.com...
Perhaps hearing the explanation verbally expressed would help those
having a difficult time with the written explanations. Here is a
youtube blog about it
http://www.youtube.com/watch?v=XkpBoAMCVZs


Cool. :-)


"Cool" say zombies when they learn that acceleration is the cause of
the greater youthfulness of the travelling twin.


He does not make that error. And what I find cool is that he presents it
with a "look" that invites common people to listen, and without equations.
:-)

From time to time
zombies learn that the greater youthfulness of the travelling twin has
nothing to do with acceleration - see Problem 19, "Modified twin
paradox", on p. 49, solution on p. 65, in


Good!

http://www.courses.fas.harvard.edu/~...tbook/ch10.pdf

Zombies say "cool" again. Finally, zombies learn that Einstein wrote a
very silly paper in 1918:

http://www.iisc.ernet.in/currsci/dec252005/2009.pdf


Perhaps a bit silly (although most people are in denial), but also witty -
it's fun to read!

and that "experts cannot agree whether its [Einstein theory's] most
famous predictions -- that time goes more slowly and lengths contract
in things that move with respect to an observer -- are real or not"


Right - that's the result of disagreements and misunderstandings about the
metaphysics.

http://www.spectator.org/dsp_article.asp?art_id=11614


That article is cool too (and no, I do *not* pretend that he is entirely
correct). :-)

Zombies say "cool".


Not only "Zombies". It's silly to be negative about everything.

Harald


  #3  
Old July 10th 07, 10:07 AM posted to sci.physics.relativity,sci.physics,sci.physics.cond-matter,sci.philosophy.tech,sci.astro
Pentcho Valev
external usenet poster
 
Posts: 8,078
Default Relativity Paradoxes Explained


harry wrote:
"Pentcho Valev" wrote in message
oups.com...

Harald van Lintel wrote in sci.physics.relativity:
wrote in message
oups.com...
Perhaps hearing the explanation verbally expressed would help those
having a difficult time with the written explanations. Here is a
youtube blog about it
http://www.youtube.com/watch?v=XkpBoAMCVZs

Cool. :-)


"Cool" say zombies when they learn that acceleration is the cause of
the greater youthfulness of the travelling twin.


He does not make that error. And what I find cool is that he presents it
with a "look" that invites common people to listen, and without equations.
:-)

From time to time
zombies learn that the greater youthfulness of the travelling twin has
nothing to do with acceleration - see Problem 19, "Modified twin
paradox", on p. 49, solution on p. 65, in


Good!

http://www.courses.fas.harvard.edu/~...tbook/ch10.pdf

Zombies say "cool" again. Finally, zombies learn that Einstein wrote a
very silly paper in 1918:

http://www.iisc.ernet.in/currsci/dec252005/2009.pdf


Perhaps a bit silly (although most people are in denial), but also witty -
it's fun to read!

and that "experts cannot agree whether its [Einstein theory's] most
famous predictions -- that time goes more slowly and lengths contract
in things that move with respect to an observer -- are real or not"


Right - that's the result of disagreements and misunderstandings about the
metaphysics.

http://www.spectator.org/dsp_article.asp?art_id=11614


That article is cool too (and no, I do *not* pretend that he is entirely
correct). :-)

Zombies say "cool".


Not only "Zombies".


You may be right. It is difficult not to say "cool" in Einstein's
world. Einstein's world is like Big Brother's world:

http://www.online-literature.com/orwell/1984/ George Orwell "1984":
"In the end the Party would announce that two and two made five, and
you would have to believe it. It was inevitable that they should make
that claim sooner or later: the logic of their position demanded it.
Not merely the validity of experience, but the very existence of
external reality, was tacitly denied by their philosophy. The heresy
of heresies was common sense. And what was terrifying was not that
they would kill you for thinking otherwise, but that they might be
right. For, after all, how do we know that two and two make four? Or
that the force of gravity works? Or that the past is unchangeable? If
both the past and the external world exist only in the mind, and if
the mind itself is controllable what then?"

Pentcho Valev

 




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