I tend to doubt astral projection is actually separating the spirit from the body because the ritualistic practice connects people with demons. Put another way, people that practice astral projection or talk about it are studied in the occult and its practices.

2 Corinthians 12:2-4
I know a man in Christ who fourteen years ago was caught up to the third heaven—whether in the body or out of the body I do not know, God knows. And I know that this man was caught up into paradise—whether in the body or out of the body I do not know, God knows—and he heard things that cannot be told, which man may not utter.

AI isn't sentient. It is only a machine, but a machine with neural networks that calculate probabilities. Binary 1s and 0s are like light switches connecting a circuit at the microscopic level. These circuits are called logic gates, which enable Boolean logic to be programmed and then Assembly language. Nanoscopip chipsets are impossible because of quantum tunnelling.