Bottle-post between hypothetical colonies.
Communication is the most important thing if the civilization plans for creating space colonies. So how communication between stars can happen in real life? One of the forgotten ideas is that the colonies are sending bottle-post between the stars.
The slow probe will travel between stars in thousands of years, and then it can send the data to the black hole that is formed in a certain time. The data will send to the past by using the black hole. And it should travel to the point in space and time where those hypothetical colonists created that black hole.
That thing is one of the most interesting ideas. The system benefits wormhole where is shot the laser ray. The researchers of those hypothetical colonies can measure the changes in Hawking's radiation energy. And those changes can decode back to information that is sent from the future.
The communication that happens between the interstellar colonies by using black holes is an interesting idea. It's easier to make than some wormholes or quantum bridges. In the colonies is an artificial black hole that is created at a certain time. The idea is that the black holes will take the information to the point where they were born.
And then another colony sends the normal, small probe to travel between stars. Then the probe arrives in another colony hundreds or thousands after it has launched. And then it will aim the laser to the black hole and sends it data to the past by using a laser ray that travels through the black hole. The thing is that there must be a list of the moments where the black holes are formed. And the communication happens by using bottle-mail between stars.
Can we someday find the intelligent and technologically advanced alien race?
That is one of the biggest questions in the world. Finding the life-supporting planet doesn't necessarily mean that there is advanced alien civilization. And there is possible that the alien race uses some other frequency of electromagnetic radiation than we are using. We are just thinking that the alien race uses the same way radio frequencies for transmitting data.
But communication between stars requires very much power even if the hypothetical aliens would use the same frequencies that we are using. There is one hypothesis that the aliens would not use enough powerful radio transmitters that we can hear them from the Earth.
In another hypothesis, the aliens would use radio communication only in the close range. And if we want to drive a remote-control car 300 meters away from us, we might not use a 300-megawatt radio transmitter for that mission. And we might not use that power in everyday communication if we are sending the TV broadcast between cities.
So can the alien hear us, or are our messages lost in the universe? Or can we hear alien radio transmission 300 light-years away from Earth? If they are using similar power that is used for routine transmitting on Earth can that signal travel to Earth and be separated from the cosmic radio background? And even if we can separate that signal, can we sure say that it is synthetic?
If the signal is confirmed as non-natural. We must decide on what to do next? Should we try to make contact or just forget the thing? We cannot know if the alien is hostile or friendly, and in that case, we must realize that we don't know anything about those hypothetical aliens.
There is introduced one explanation for the reason that we cannot contact aliens. And that thing is that the aliens are not using radio waves in long-range communication. They can use more high-energetic radiation like even gamma- or X-ray lasers as a long-range communication tool. That kind of communication system requires very much energy. But it can keep data safe.
Another version of that hypothetical super communication system is that the communication system will send the X- or gamma-ray in the plasma wire. Communication lines can create also by using superpositioned and entangled particles. Or black holes that are forming the quantum bridge through the universe. But that requires an extremely powerful energy source for the communication system.
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