Those are almost bigger cognitive shifts in my education track than was calculus. While super-turings are obviously fantastical things like FTL, assuming human

Those are almost bigger cognitive shifts in my education track than was calculus. While super-turings are obviously fantastical things like FTL, assuming human brains are some form of turing machine, then from a practical standpoint all we need to do is imagine a human-capability turing with integrated current computing abilities for number crunching, no need of sleep, and ability to scale/clone/copy, and probably far bigger memory and recall. A self-aware AI that can replicate can very rapidly chase Kardashev scales without our pesky lifespan and vulnerability to space.