Dear,
i think time travel is only possible if we can make a wormhole. But we have to use negative energy and anti gravity.
Super string theory says space can be torn. It can be folded and be in any shaped.Einstein-Rogen bridge is one kind of worm hole. What do u think about it..?
^You know, it is possible to reply to existing threads...
As for wormholes, the artificially made kind would destroy anything that passed through it (although the pieces might still come out the other side). I do, however like the idea of random wormholes that exist for no particular reason. (I'm almost convinced that I experienced one once, and by doing so traveled half an hour into the past. The evidence of that is not enough to prove anything, though. Not even to myself.)
| Physicist wrote: |
Dear,
i think time travel is only possible if we can make a wormhole. But we have to use negative energy and anti gravity.
Super string theory says space can be torn. It can be folded and be in any shaped.Einstein-Rogen bridge is one kind of worm hole. What do u think about it..? |
a) Time travel does not necessitate wormholes. Any sub-light travel at a high fraction of c (speed of light) will produce relative time travel according to the well understood precepts of Relativity.
b) Spacetime 'tearing' is not a prediction of string or M theory. It can be derived from normal relativity.
c) I think you mean an Einstein-Rosen bridge. This is the result of a paper published by Nathan Rosen, who was a collaborator with Einstein. It was designed not to examine time travel but to explain how fundamental particles (like electrons for example) can be imagined as spacetime tunnels.
In 1962 John Wheeler discovered that the Einstein-Rosen bridge space-time structure was dynamically unstable - if such a wormhole existed it would close up again before even a single photon could be transmitted through it.
http://www.krioma.net/articles/Bridge%20Theory/Einstein%20Rosen%20Bridge.htm
Regards
ChrisOh, u r telling everything will b destroyed passing through it. You r talking about black hole. Wormhole will be(may b) created by using negetive energy or anti gravity.
A paper has been published that at singulerity of blackhole gravity would b balanced.So its possible.
Search wormhole at
en.wikipedia.com.
U will get ur answer
| Physicist wrote: |
Oh, u r telling everything will b destroyed passing through it. You r talking about black hole. Wormhole will be(may b) created by using negetive energy or anti gravity.
A paper has been published that at singulerity of blackhole gravity would b balanced.So its possible.
Search wormhole at
en.wikipedia.com.
U will get ur answer |
Why ask a question if you already think you know the answer ?
Incidentally I was not 'talking about' a black hole, I was trying to explain what you meant by your misreference to the 'Rogen' bridge.
ChrisBiker,Ya,i khow that einstein-rogen bridge was for particle. But now its thought a base of wormhole.U dont khow that!
General relativity tells that space can be streched and curved.But it does not tell that space can b torn.Its told by M theory.
R u clear? Read 'Elegent Universe' by brayan green.
| Physicist wrote: |
Biker,Ya,i khow that einstein-rogen bridge was for particle. But now its thought a base of wormhole.U dont khow that!
General relativity tells that space can be streched and curved.But it does not tell that space can b torn.Its told by M theory.
R u clear? Read 'Elegent Universe' by brayan green. |
You are spouting nonsense.
The ROSEN paper showed that implicit in general relativity is a curved-space structure that can join two distant regions of space-time through a tunnel- like curved spatial shortcut. This was decades before M theory.
I have a copy of the Elegant Universe somewhere and have already read it thank-you.
The online video of the Elegant Universe is worth a look....here:
http://www.pbs.org/wgbh/nova/elegant/program.html
Regards
Chris.In theory it's possible to go back in time through a wormhole, but if we were to create one and somehow stabilize it, we would only be able to back in time to the point at which the wormhole was created.
| TheSublime wrote: |
| In theory it's possible to go back in time through a wormhole, but if we were to create one and somehow stabilize it, we would only be able to back in time to the point at which the wormhole was created. |
I completely agree with you, but am just playing devil's advocate here...
Unless we are at its time (point) of origin. In which case, would the effect not be reversed?
I would like to add as a side note that let's picture time as an aspect of relative units in a particular place at any particular moment (I know... moment=time... but bear with me - you can't have time without a relative calculation of it... speed, for instance, which involves some form of 'object', even if it is waves, particles, or other)... would the effect of a high gravitational force (for example a blackhole) not be a significant consideration to the synthesis of a wormhole? And if so, then back to the discussion of "tearing apart", wouldn't it be logical to state that anything that did try to pass through it would, in fact, be destroyed and shot out as gamma rays?==================================
Last edited by John6000 on Thu Oct 11, 2007 10:07 pm; edited 1 time in total
i feel we just are not upto it with our physical bodys , there not that robust.
How ever should we decide to attempt it with the non physical body , then a peice of cake.
You cant start with a book named ( i think from memory it was called )OBE
short for out of body experiance.
Not just some ones rambilings but a no nonsense step by step exercise book for OBE , the guy that gave it to me said it scared the **## out of him when he tried it .( i laughed) but then after a week or two of practise scared the ... out of my self. ( never went any futher with it ) but a definate eye opener for the time travel / worm hole journey.
gary
maby ill try it again now that its been 20 years
peace to all
There is a wormhole in my Apple. And there are some chips and hard drives... 
