Quantum Foam: Could It Be Used for Subspace Communication?

In summary, quantum foam is a concept used in string theory that predicts tiny wormholes. It may be possible to use these wormholes to transmit data streams and stuff, like in Scifi. It is possible to expand one of these wormholes to the size of a ship, allowing passage to, far away places.
  • #1
Toastus
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Could Quantum Foam be used as a type of subspace, like the kind used in Star Trek? Mainly for communication...
 
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  • #2
Toastus said:
Could Quantum Foam be used as a type of subspace, like the kind used in Star Trek? Mainly for communication...

Sure, why not, unless you have a better definition of subspace.
 
  • #3
I meant in real life, not in a story.
 
  • #4
I think what friend means is that "quantum foam" just refers to a certain conception of the fabric of space. There are various ways to transmit signals across the fabric of space. For example, a radio does this. So do sound waves. So technically we already use quantum foam as a medium for communication, in real life, all the time.

Your question was not very specific...
 
  • #5
Sorry...

Is it possible to use the tiny wormholes in QF to transmit data streams and stuff, like in Scifi? So, you take one of the wormholes and redirect it far away to where you want it to go, and send what you want to send through it? And, would it be possible to expand one of these wormholes to the size of a ship, allowing passage to, far away places?
 
  • #6
Toastus said:
Sorry...

Is it possible to use the tiny wormholes in QF to transmit data streams and stuff, like in Scifi? So, you take one of the wormholes and redirect it far away to where you want it to go, and send what you want to send through it? And, would it be possible to expand one of these wormholes to the size of a ship, allowing passage to, far away places?

Actually I have that same question. Any answers?
 
  • #7
QF predicts tiny wormholes?
I thought this is a speculation of string theory, is it not?
 
  • #8
loop quantum gravity said:
QF predicts tiny wormholes?
I thought this is a speculation of string theory, is it not?

not if your michio kaku promoting the latest book
 
  • #9
FTL communication violates causality in the same manner as FTL travel. They are merely horses of a different color. Relativity, like politics, is local. FTL travel is not forbidden by relativity. The only thing forbidden is returning to your original light cone. You can travel [or communicate] from here to the andromeda galaxy in the blink of an eye [albeit it requires an obscene amount of energy]. And the andromeda galaxy will age a few million years in the process. You can also return here to report your findings - and discover Earth has aged ~ six million years since you left.
 
  • #10
Yes, but expanding a wormhole using your "magical awesomeness" and sending information through isn't FTL in its local space. Everywhere else it is. The problems of opening a stable wormhole to the desired location aside, wouldn't that work?

And, does quantum foam exist only in this universe, or can it also be in the Bulk?
 
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FAQ: Quantum Foam: Could It Be Used for Subspace Communication?

What is quantum foam?

Quantum foam refers to the hypothetical fluctuation of space-time on a very small scale. It is believed to be the result of quantum uncertainty, where particles and energy constantly pop in and out of existence.

How could quantum foam be used for subspace communication?

The idea is that the fluctuations in quantum foam could be manipulated to transmit signals, similar to how radio waves are used for communication. However, this is still a theoretical concept and has not been proven to be possible.

What are the potential advantages of using quantum foam for subspace communication?

If it were possible, using quantum foam for subspace communication could potentially allow for faster and more secure communication compared to traditional methods. It could also potentially be used for long-distance communication, as quantum foam is believed to exist throughout the universe.

Are there any challenges or limitations to using quantum foam for subspace communication?

One major challenge is that quantum foam is incredibly small and difficult to detect and manipulate. This means that developing the technology to utilize quantum foam for communication would be extremely complex and may not be feasible with current technology.

Is there any current research being done on using quantum foam for subspace communication?

Yes, there is ongoing research and experimentation in this area. Scientists are exploring ways to manipulate and control quantum foam in order to potentially use it for communication. However, it is still in the early stages and has not been proven to be possible.

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