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Thread: Intersteller communication

  1. #1 Intersteller communication 
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    I would like to start a conversation about possible methods of interstellar communication. I think that it would be possible to encode a message on a single particle of light. What do you think?


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    Hey there and welcome to the forum, I'd be quite happy to discuss this idea with you, If you're talking about actually managing to store and send information on a single photon I'd certainly like to hear how.


    Everything has its beauty, but not everyone sees it. - confucius
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    So youre trying to envisage messaging between solar systems...
    Im more interested in understanding how the systems gets inhabited...
    how matter and civilisation is transported
    and how civilisation changes in the new environment.
    in short: How will colonisation of space proceed.
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    I believe that solar systems have evolved at different times. What I mean is some solar system we can see relativity easy may be hundreds of thousands of light years away. That means we are seeing it as it was that long ago. Having said that: I come to the thought. What if I am looking at a far advanced life form solar system? If they advanced beyond self destruction then they may be explorers and reaching out to communicate. In my minds eye I would look to compress as much information in one package rather than a little info in a lot of packages. I would compress a file, attach it a photon of light and send the photons out in every direction. I would tune the photons to a frequency different from the normal light emitted from my solar system. I would then send it in a pattern form like two million photons with the odd frequency and five million the regular. in effect creating somewhat of a binary on/off type signal. On the receiving end the signal would have to be seen, captured and unzipped. I am interested in knowing if any of this is possible or if anyone else is thinking of this type of transmission method.
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  6. #5  
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    Quote Originally Posted by abstract View Post
    I believe that solar systems have evolved at different times. What I mean is some solar system we can see relativity easy may be hundreds of thousands of light years away. That means we are seeing it as it was that long ago. Having said that: I come to the thought. What if I am looking at a far advanced life form solar system? If they advanced beyond self destruction then they may be explorers and reaching out to communicate. In my minds eye I would look to compress as much information in one package rather than a little info in a lot of packages. I would compress a file, attach it a photon of light and send the photons out in every direction. I would tune the photons to a frequency different from the normal light emitted from my solar system. I would then send it in a pattern form like two million photons with the odd frequency and five million the regular. in effect creating somewhat of a binary on/off type signal. On the receiving end the signal would have to be seen, captured and unzipped. I am interested in knowing if any of this is possible or if anyone else is thinking of this type of transmission method.
    Your idea is ok but why bother if one or ten photons are used in signalling? Photons are cheap. You are correct in thinking that photons can be used in communicative purposes. Im thinking of other use of them photons. Light interacts with matter you can focus photons in a point and burn a hole in a leaf. Heat is generated.

    Im not sure if momentum is transported also? How much? Can light be used to move and transport matter? If so can a space-city be moved by momentum and heat recieved by concentrated sun light? Surely the heat recieved by an intense ray could be transformed into electricity? Used for cooling space-cities. Space civilisations generate lots of internal heat and space is an isolator so the problem how to get rid of excess heat is vital to solve satisfactorily. By concentrating the internal heat into something hotter than the ray... the ray can conduct heat from the city.

    From a point in the ray you recieve heat and transform it into electricity: Liquid hydrogen turning into gas in the hot point circulates in a closed loop generating elektricity which is used in cooling the gas into liquid that returns into the hotspot.... Producing excess electricity and removing internal heat. Im no engineer but I suspect this can be rather easily done.

    A space civ needs lots of atoms of all kind, it must produce food and other necessities, but those atoms can be transported in the rays so the city need not carry material resources inside it. There will be a web of rays supporting space cities connecting solar systems.

    Information will have no problem in travelling in those rays. And also will material resources be transported by rays: just vaporise an asteroid (or planet) and run a ray through the vaporised matter picking it up distributing the atoms through the ray-net. Planets and the other matter in a solar system will no longer be used for living space. The future of mankind is in so called "empty space"!

    That is: IF mankind is not first exterminaded by another space civilisation? There is a "matter-crisis" coming.
    Maybe they prefer seeing us as a new matter resource rather than as independent competitors??

    There is nothing special about our solar system.
    What has happened in here has been repeated all over the place
    but uninformed people are still looking up blue eyed at the stars asking:
    Is there perhaps life out there?

    ...YES! It will find us and we peace loving

    and dimwitted earthlings will not be prepared for them otherwise than as dinner
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  7. #6  
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    Intersteller communication would be difficult at best, maybe impossible. SETI has been operating more than 5 decades and has come up empty.
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    Good one, I love it. The concepts of man kind is what drives us to discovery. You are right in looking at earths past. This categorizes mankind as a conquering specie. If we find a civilization that is not as advanced as us we conquer it. If we encounter a civilization more advanced than us we condemn it equally. So where does that leave us? I believe that if a civilization is advanced enough to solve interstellar travel they would not want to eat something else intelligent that they would simply generate food from atoms in the rock dissolved in the light ray. I think that instead they would want to share information. This brings us to another question. How does that species protect themselves from the a specie like man kind? Maybe by contacting us with a message stored in a single photon of light. In that way they might come to the conclusion that any civilization advanced enough to receive the message and return one the same way just " MAY" be safe enough to interact with.
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  9. #8  
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    Hi Jim Colyer! The precise reason I started this thread is to maybe plant a seed and interact with people concerning the search. Maybe if we have not herd anything yet it is because we are not sure what to look for. Take for instance the dance bees have to communicate where the pollen is. A short time ago man kind thought it was just a lot of bees running around randomly. Maybe on an extreme sub quantum level there is a dance going on for someone to find and respond to. Maybe we should look in that direction too, ya never know.
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