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I am building a science fiction world with technology comparable to the Halo Universe (AKA Warp Drives are a thing). The story is set in a section of the galaxy with various nations controlling multiple planets.

I am trying to think of ways of how these governments and people would be able to communicate with each other on planets in different systems. In this world, people in the same system have reasonably fast communication speeds, and if there is a situation where two planets are as close as say Earth and Mars, then they have a shared internet.

My issue is thinking of ways of effective communication between different systems without having to wait for months on end for data to stream over. I am thinking of a few solutions

  1. Data Runners- Any communication between planets will have to be data sent up to a satellite, uploaded onto a data runner ship, then be sent to the next planet. In a sense, it would be like sending letters once again. No instant messaging, but reasonably effective.
  2. A String of satellites of facilities between systems- This would be wildly expensive, and data might not even move faster, but maybe wealthier nations could do this.
  3. Simply make data just go faster- Idk, feels like a cop out. A lot of the tech in my world is reeled in by hard-ish science.

My question is, what are ways to make communication between different systems be realistic and effective, so that there could be governments owning multiple planets at relative ease

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    $\begingroup$ Can either: 1. photons/light travel through the warp drives without needing something to take them through to the other side or 2. can the warp drives be kept open with e.g. a cable connecting the 2 ends? $\endgroup$ – Mithrandir24601 Aug 6 '17 at 18:29
  • $\begingroup$ Do you want intergalactic or inter-starsystem communications? I don't think this changes the answer a lot, but it is still confusing. I think 1) is a fine solution, I do not understand 2) - as you pointed out, this wouldn't make anything go faster - in fact it would slow down everything. $\endgroup$ – Raditz_35 Aug 6 '17 at 21:58
  • $\begingroup$ Yes, please clarify whether you really want intergalatic (between different galaxies) or intragalatic (within a single galaxy) communications. The Andromeda galaxy is the nearest major galaxy to the Milky Way, and is about 2.5 million lightyears from us. Do you really need to communicate across that distance? $\endgroup$ – a CVn Aug 7 '17 at 11:46
  • $\begingroup$ I'm pretty sure in Halo, they just transmit data through slipspace with the same technology their ships use. There is still delay over long distances. The governments are not well enforced which is why they had rebellions all over the place and fighting the rebellions are what started the spartan program. $\endgroup$ – A. C. A. C. Sep 20 '17 at 16:14
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Miniature Wormholes: Your nation has warpdrives, to send matter faster than light. It isn't much of a stretch from there to send energy faster than light without a warpdrive or ship accompanying it. One possible method is via tiny wormholes large enough only to allow light beams to pass. These wormholes are lined up with the neighboring system to hit a receiving device.

Message Ships: If sending a warpdrive along with the message is the only way to travel faster than light, then make a smaller, faster version of a ship, one with only the warpdrive and radio broadcasting equipment to transmit the message on the other side.

Communication Via Time Travel: Allow your civilization the ability to send a probe thousands of years into the past which emits a radio signal towards the target system. Through careful calculation, the signal arrives at its destination at the future time that the message was sent. (True, this option utilizes technology beyond what you stated in the post).

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    $\begingroup$ Communications via a network of connected mini-wormholes sounds sensible. The message ships are the OP's data runners and still a good idea. The time travel option is a bit of overkill. Basically a data-runner with a broadcast option and in the past. Timing would be everything. Plus one. $\endgroup$ – a4android Aug 7 '17 at 2:20
  • $\begingroup$ Realistically plausible warp engines or Alcubierre drive as they are known, have nothing to do with wormholes, and thus in no way imply such form of ftl comms. Warp engines and wormholes are different things, and asker said he has the first, not the second. $\endgroup$ – M i ech Aug 7 '17 at 13:38
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I can't say wich universe it was might have been The Human Reach by John L. Lumpkin or the Frontline Series by Marko Kloos. Must have been the later - when passing through hyperspace at a jump node a ship is uploading all the news and messages and after passing throuhg it put those news into the other system.

This means information travel with speed of light interplanetary but need a "message" ship to deliver it into a other system.

However when designing a "system" you need to scale it with the speed of hyper travel. For example - the message ship system would not work well when the FTL speed is similar to the Star Wars Universe You would loose planets before the message reaches the command.

BTW. the interplanetary web could work similar - you have several data nodes that delta load / copy the world wide net on a hourly basis into a node.

So when you are asking Huuble (google) you don't wait 2 days until the search engine has found your answer after connecting to pluto and mercurius - its just connecting to the data node in the LO over Titan

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zero-point dimension as communication channel

The quantum theorie has some formula that only make sense with more than our 4 dimensions. We have three dimensions in room, and one in time. What about the others?

One explanations says, they are "rolled in" and aren't expanded, therefore having no apparent effect in our world.

I imagine such a dimension like a "zero point" with no extent, but present everywhere in the universe. It is part of the universe, connected to, but not located in room or time.

You can not send matter or energy through it. But maybe, you can set a binary state like 0 or 1. This binary state is immediatly present all over the universe.

This gives you the possibility of morse or internet - with the hard limitation having one channel only.

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You could communicate through some kind of parallel universe which is much denser then our universe, like the "usual" Hyperspace. Maybe your physiscs does not allow material to enter it, but electromagnetic waves are able to cross the border. This would allow your ships to travel faster then light, while messages may be still transported even faster, it depends on your version of the warp drive. You could still use wormholes as shortcut at places where folds of the traditional space are close enough to each other, resulting in even faster transfair of both ships and waves.

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Quantum Entanglement

There was a theory in Quantum mechanincs called Quantum Entanglement theory which could solve your situation.

Quantum Entanglement, in easier terms, is that two particles can be connected to each other regardless of space, and the state of one affects the state of the other.

If you can say that they have unravelled the mysteries which we are currently unable to, this will form an almost instant communication across any distance. The data can be encrypted, sent as state with the easiest being binary.

This will still require set up, and transport of one to the other place. But it not limited to just pairs either, it could be any number.

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  • $\begingroup$ Entanglement CANNOT be used to transfer information. There are tons of resources on the internet that explain this way better than I do. $\endgroup$ – Maciej Aug 7 '17 at 11:43
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    $\begingroup$ Two good questions I found a while back on Physics that discusses quantum entanglement in this context: The choice of measurement basis on one half of an entangled state affects the other half. Can this be used to communicate faster than light? and Quantum Entanglement - What's the big deal? Both are reasonably highly voted and have similarly highly voted answers. OP clearly wants as hard science as reasonably possible, so this would be relevant. $\endgroup$ – a CVn Aug 7 '17 at 11:49
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    $\begingroup$ Yes in our current era we are unable to utilise this theory due to limitations in our current technology. But this was to give a resonable idea for communication over large distances in a more advanced era. And since their era is one where warp technology is available, their level of technology and knowledge dealing with the quantum realm will be much more comprehensive than our own. I just think it is wrong to assume the limitations we have on us is the same for those in much more advanced civilisations. $\endgroup$ – Revan Vex Aug 8 '17 at 2:19
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    $\begingroup$ It's fine to extrapolate, assume and fantasize. In fact, that's largely what we do all day on the site. But if you are doing that, you should make it explicit that you are starting out with something (which may be e.g. quantum entanglement), acknowledge the limitations as currently understood, and make clear that your answer envisions a world where these limitations have been overcome, whether by better understanding of the relevant phenomena or by being superceded by more detailed models (like how Newton's equations have been superceded by Einstein's, but remain valid in certain cases). $\endgroup$ – a CVn Aug 8 '17 at 8:24

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