The new theory of representatives of the world of science shocked the public: they suggested that extraterrestrial civilizations could exist in a completely different form, which has nothing to do with the usual ideas of people about humanoids. It is possible that their essence does not have a bodily shell and that the alien mind has no body and tangible form.
Aliens spend their lives in the form of artificial intelligence - American astrophysicists were the first to talk about this. In fact, the uncertainty about whether extraterrestrial civilizations exist at all gives scientists fertile ground for thought: they can develop the most incredible theories, and each of them is not even a millimeter close to the real state of things. Alien intelligence may well function in the form of artificial intelligence without the slightest bit of physical matter.
Of course, extraterrestrial civilizations, if any, originated much earlier than humans. In addition, they are significantly ahead of earthlings in development. They are able to move their consciousness from a lower carbon form to a silicon one - and this is quite logical, because silicon has the ability to store and process data.
He is able to perform these procedures many times faster than the human brain. It is difficult for us to imagine something like this, because our brain is limited by some kind of framework and stereotypes about aliens - it is obvious that the understanding of the theory developed by scientists is not yet available to us.