I think you would need a kind of power that would have obvious hallmarks, like literally rewriting the rules that underlie the universe. But's that just my cyni

I think you would need a kind of power that would have obvious hallmarks, like literally rewriting the rules that underlie the universe. But's that just my cynical perspective. I guess that's why arthur c clarke said sufficiently advanced technology is indistinguishable from magic. I just think that kind of magic would be visible to us. Or maybe it is, but we just can't tell.