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Natural Science Forum / Physics / Relativity / January 2007



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Ping Tim, Spacetime Isotropy.

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Ken S. Tucker - 28 Jan 2007 19:59 GMT
Hi Tim et al, fascinating stuff.
65,000,000 years ago a T-Rex ate a Triciratops.
5,000,000 years ago Tim and my common grand
mom started walking upright.

Relatively to our origin (XYZ on Earth, T=2000AD),
is a fluid history, but thoses events are preceived
to be happening now viewed by observers (with good
telescopes, 65Mlys and 5Mlys distant).

Maybe them fellows watching T-rex eating Tri-top
lobbed an asteroid to Earth to wipe out cannibalism,
(called the KT- boundary), and accelerate "stalled
evolution".

Anyway, from that perspective, how can space &
time have differing anistropic properties. That question
is in context of relating events of finite intervals.

Beginning with our Origin at XYZT in relation to any
event, past or future, xyzt, the location of that Origin
is arbituary. Because the Origin is arbituary, I think
spacetime is isotropic.
Regards
Ken
Sue... - 29 Jan 2007 01:43 GMT
> Hi Tim et al, fascinating stuff.
> 65,000,000 years ago a T-Rex ate a Triciratops.
[quoted text clipped - 21 lines]
> Regards
> Ken

Hmmm...not much electromagnetism from that perspective.
Doesn't electromagnetism work from a Lorentz force
perspective?

<< space-time has a non-isotropic nature which is
quite unlike Euclidian space with its positive definite
metric. According to the relativity principle, all[1] physical
laws are expressible as interrelationships between
4-tensors in [Lorenz?] space-time.
http://farside.ph.utexas.edu/teaching/jk1/lectures/node13.html
http://arxiv.org/abs/physics/0204034

Sue...
[1] Almost all?
http://www.esa.int/SPECIALS/GSP/SEM0L6OVGJE_0.html
Timothy Golden   BandTechnology.com - 29 Jan 2007 17:23 GMT
> Hi Tim et al, fascinating stuff.
> 65,000,000 years ago a T-Rex ate a Triciratops.
[quoted text clipped - 21 lines]
> Regards
> Ken

Hi Ken.

I'm trying to process your document on the other thread that I see
you've started(spacetime and Kerr)
I don't have any good questions yet but I just thought I'd ack your
ping and let you know that I'm reading along.
I find it diffficult to adopt spacetime as isotropic; the
unidirectioinality of time denies this.
I have a difficult time with the term 'isotropic'.
If an anisotropic system existed that matched reality then it would
still have appropriate behaviors.
Especially if you consider the dimensional relation between
electricity and magnetism we see evidence of anisotropic
singularities, though the development is done on top of isotropic
space. I would hope that inverting this configuration somehow could
take us toward an interesting new solution. That new solution would
hopefully wipe away the distinction between electricity and magnetism
by restructuring the basis.

There is an easy analogy between galactic phenomena and the electron.
That sounds a bit cheesy but when we see axial phenomena from rotation
at both scales these become suggestive of a possible anisotropic
solution. This (perhaps incidentally) is consistent with the polysign
derivation of spacetime. If a general dimensional system can
degenerate to three spatial dimensions and we then adopt the general
dimensional solution it may be like accepting noncomputability of
nature to an even greater degree. Still, if some observed behaviors
such as spacetime and electromagnetism came out of the system it could
be deemed a serious contender. This is not unlike a string theory
model except that it is built on unspecified dimensions instead of a
fixed number of higher dimensions. If we ask the question 'why
spacetime?' and we answer with a ten dimensional solution we are then
left asking 'why ten dimensions?'. I once shared this simplistic
thought with Lisa Randall but never got any return message. She is one
of a handfull of people that consider such problems.

For me the deeper problem with relativity theory is embedded in these
considerations. When the basis is derived by mathematics the
theoretical purity of the system transcends its alternative. Still I
have no such completed system so I can only offer this as conjecture.

-Tim
Ken S. Tucker - 29 Jan 2007 18:19 GMT
On Jan 29, 9:23 am, "Timothy Golden   BandTechnology.com"
<tttppp...@yahoo.com> wrote:

> > Hi Tim et al, fascinating stuff.
> > 65,000,000 years ago a T-Rex ate a Triciratops.
[quoted text clipped - 21 lines]
> > Regards
> > Ken

>Hi Ken.
>
> I'm trying to process your document on the other thread that I see
> you've started(spacetime and Kerr)
> I don't have any good questions yet but I just thought I'd ack your
> ping and let you know that I'm reading along.

Thanks, I'm just grinding out a so-called modern
spacetime theory, it's a bit boring.

> I find it diffficult to adopt spacetime as isotropic; the
> unidirectioinality of time denies this.
> I have a difficult time with the term 'isotropic'.

Well I think history is a 4D map of events, with
an arbituary origin. I can place my "origin" at 0AD.
The "cause and effects" of those events involve
intrepretation, they are imaginary.

> If an anisotropic system existed that matched reality then it would
> still have appropriate behaviors.
[quoted text clipped - 5 lines]
> hopefully wipe away the distinction between electricity and magnetism
> by restructuring the basis.

Very good point, wish I had thought of that.
Consider the tensor equation for a light-wave,

0 = F_ab,c +F_bc,a + F_ca,b ,

don't worry about understanding it if your don't,
it's not germaine. However what you may find
interesting is the indexes a,b,c can be substituted
by axes 1,2,3,4 , (x,y,z,t ), anyway you want,
and describe various apparent physical phenomena.

> There is an easy analogy between galactic phenomena and the electron.
> That sounds a bit cheesy but when we see axial phenomena from rotation
[quoted text clipped - 12 lines]
> thought with Lisa Randall but never got any return message. She is one
> of a handfull of people that consider such problems.

I'm ok to 5D, did some research on 6D with
Dr. Lunsford, I find it tough going.

> For me the deeper problem with relativity theory is embedded in these
> considerations. When the basis is derived by mathematics the
> theoretical purity of the system transcends its alternative. Still I
> have no such completed system so I can only offer this as conjecture.

Using a 4D map of events (historical record),
I can draw a line from one event to any other
event, and I'm free to move along that line, in
theory, to the other event, taking in the historical
sites as I move.
Regards
Ken
Timothy Golden   BandTechnology.com - 30 Jan 2007 15:57 GMT
> On Jan 29, 9:23 am, "Timothy Golden   BandTechnology.com"
>
[quoted text clipped - 87 lines]
> Regards
> Ken

Hi Ken.

I'd like to challenge you to answer my Jan30 post on:
  http://groups.google.com/group/sci.physics.relativity/browse_frm/
thread/ec2ed05d4f68df75
Is it possible that I am confusing an object with an event?
I fail to see the difference but remain open to correction.
Sal if you read this it would be nice to get your take as well.
Hobba has dodged.

-Tim
Daryl McCullough - 30 Jan 2007 16:38 GMT
Timothy Golden   BandTechnology.com says...

>Hi Ken.
>
[quoted text clipped - 3 lines]
>Is it possible that I am confusing an object with an event?
>I fail to see the difference but remain open to correction.

I don't see that you are open to correction. Your post has
been answered many times, and you've ignored the answers.

--
Daryl McCullough
Ithaca, NY
Ken S. Tucker - 30 Jan 2007 17:37 GMT
On Jan 30, 7:57 am, "Timothy Golden   BandTechnology.com"
<tttppp...@yahoo.com> wrote:

> > On Jan 29, 9:23 am, "Timothy Golden   BandTechnology.com"
>
[quoted text clipped - 94 lines]
> thread/ec2ed05d4f68df75
> Is it possible that I am confusing an object with an event?

Today Tom Roberts posted a good essay in
"Is relativity a pseudotensor theory".

A *object* like the great pyramid, differs from
the *event* of the *object's* construction.
Suppose a Pyramid was constructed in 2000BC,
at a Longitude X Latitude Y, it was a desert in
2005 BC.

> I fail to see the difference but remain open to correction.

Well I think we should agree on what a 4D map
of events (historical) is first, you know get some
common terms. From that we can go into how the
map changes, the meaning of the derivatives of the
map. Tim I must ask, how are you at differential
calculus?
Ken
 
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