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Author Topic: Could photons move out of the universe and then reapear?  (Read 1208 times)

Offline acecharly

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Could it be posible that when a photon is emmited it actually leaves what we see as the universe and then re-enters it when it hits something like your eyes as this would mean it didnt need to be affected by time as we percieve it?

Any thoughts

Cheers Ace


 

Offline yor_on

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Re: Could photons move out of the universe and then reapear?
« Reply #1 on: 29/07/2012 22:04:34 »
There are rules to everything Ace :)
Some of them, especially QM, rather weird. But Relativity is too.

From them you may try to define a reality and, depending on imagination and logic, even find a way to test your ideas. When you find that way you're on your way to a viable theory, not before.
 

Offline distimpson

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Re: Could photons move out of the universe and then reapear?
« Reply #2 on: 30/07/2012 17:32:56 »
Could it be posible that when a photon is emmited it actually leaves what we see as the universe and then re-enters it when it hits something like your eyes as this would mean it didnt need to be affected by time as we percieve it?

Any thoughts

Cheers Ace

About a year ago this paper reported average trajectories using single photons in the 2 slit experiment. It suggests (to me) the photon can be manipulated between the source and target, so if not in this universe it still appears to be accessible at all points between. For what its worth! http://www.sciencemag.org/content/332/6034/1170.short

 

Offline JP

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Re: Could photons move out of the universe and then reapear?
« Reply #3 on: 30/07/2012 17:46:42 »
Ace, generally science works by proposing testable hypotheses and checking them with experiments or observations.  The problem with a lot of "outside the universe" theories is that we have no idea how to test that.  So it's possible to claim almost anything happens outside the universe and no scientific way to validate those ideas.  So is it possible?  Sure, but anything's possible that can't be tested.  Is it a valid scientific theory?  Probably not.

Having said that, there are some bleeding-edge scientific theories (brane theory) that do use extra dimensions to explain why gravity acts in certain ways.  As far as I know, these theories suffer from the problem of untestability as well, but researchers working on them are trying to come up with testable predictions.
 

Offline yor_on

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Re: Could photons move out of the universe and then reapear?
« Reply #4 on: 01/08/2012 15:25:01 »
Dist :)

Do that experiment and let us see what outcomes you get from it. I'm not sure it would consist a proof for the validity of weak measurements though as Relativity treats SpaceTime as 'one thing' which means that anything you do at some position must have a consequence for it all, as I see it. But it would certainly take us one step further.
 

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Re: Could photons move out of the universe and then reapear?
« Reply #4 on: 01/08/2012 15:25:01 »

 

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