Science Fiction - The Theory of Possible Worlds

Ointemou mad wha is about the theory of possible worldsa, not e very formalista linguistic theory. And obviously, science fiction, just as its predecessor, and part utopian, distopian fiction, foreground possible worlds. Its an equivalent to, say, going from newton to einstein. O yes, there is gravity, but only in such and such situations. Yeti can do all these kinds of things inside without any kind of answers or hope for anything else. But when you flex your mental muscles,. you can do all sorts of things that we don't know how to do otherwise. It's er, it's the equivalent of an athlete flexing his muscles.