The Maori were a warrior people and like some cultures, they also had a black history, whether we like it or not. There is a black story about them in 1830, it turns out that they invaded an island that was occupied by a pacifist tribe, but pacifist to the extreme. Violence for them was something sinful, in fact, when they were invaded and the Maori began to kill left and right and enslave those they caught, the young people of the tribe wanted to defend themselves and the elders said no, that it was against their gods and that's how it ended, exterminated, only a dozen at most of them remained.
If we look back in time, all people have some dark moment in their history and that is what Stephen Hawking was referring to when he said that "encounters between civilizations with advanced technologies against primitive technologies have gone badly for the less advanced ones", and it is a concern that before Hawking had already been shown by Martin Ryle, he was an expert and won the Nobel Prize in physics in 1974 for studying pulsars. Martin Henry was the protagonist of a moment of very harsh controversy, of anger, of literal anger, it would be a good time for social networks to exist, because the discussion they had would have been brutal.
It turns out that it reached cosmic levels, literally, in 1974 the Space Research Committee wrote a letter in which it said, among other things, that any advanced life form that received our signals could consider us a threat or easy prey, so it would be prudent not to announce our presence. This was the nice part of the letter, because things escalated.
Later he faced off in a discussion criticizing Frank Drake and Carl Sagan, Frank Drake is the one who developed the Drake equation, which aims to give us a more or less idea of how many intelligent civilizations can exist in the galaxy, of course, we are missing many elements of that equation, but we have some and there are many factors that do not fit very well, because an intelligent civilization can be intelligent, but not need to develop space technology or not find it interesting to contact other civilizations, or send messages, or get in touch.
Martin Ryle said that sending a signal was a mistake and he began to argue with Frank Drake and Carl Sagan, and all of this was because of the transmission of the Arecibo message. This message was sent on November 16, 1974 from the Arecibo observatory in Puerto Rico and was the first deliberate interstellar message sent by humanity, this one that can reach other stars. in fact, it was aimed at the star cluster M13, about 25,000 light years away.
They did this because there are many stars and so the possibility of it being captured by some technological civilization is higher, simply, this is considered the first signal that could reach another star system, because radio and television signals are diluted with distance and after 2 or 3 light years there is no longer a way to differentiate them from the soup of cosmic radiation.
Also some military sonar signals for missiles that were very powerful at the end of the 50s especially, but those signals were very specific, they did not send messages, so it would be difficult to differentiate them from natural signals because they would have a different structure, however, the Arecibo signal is specially designed to be detected as an artificial signal and this would be the first and was not the only one,
Martin Ryle wrote to Fran Drake because he was the current director of the Arecibo project and also contacted the International Astronomical Union asking them to explicitly condemn the sending of such messages and to prohibit future transmissions. Martin Ryle's argument is that what was being done was sending signals without having had a prior debate about whether it was a good idea or not and that could be disastrous, it could be the beginning of the end of humanity.
These approaches were the ones that years later forged the basis of the dark forest hypothesis that appears in Liu Cixin's 2008 novel and that countless scientists use to make conjectures and speculations from it.
In the end, no one knows if it's good or don't let us know, it's a totally unknown statistic.
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