The rise of Google, the rise of Facebook, the rise of Apple, I think are proof that there is a place for computer science as something that solves problems that people face every day. ↗
As for sticking strictly to presently known science, I will simply point out that we have already experienced at least two major revolutions in science in this century alone. ↗
I'm not so interested any more in how a great deal of science fiction goes. It goes into things like Star Wars and Star Trek which all go excellent in their own way. ↗