Can science fiction save the world?

in the not-too-distant future soon; in a time not far from now

dystopian describes a future situation which is very unpleasant

downside disadvantage; bad point

plausible with a good possibility of happening

rally around come together in support of a cause

Mine would probably be Blade Runner – the movie with Harrison Ford set in a dark, scary Los Angeles where he hunts robots called replicants.

good stories often have a lot of conflict and problems to resolve.

Sounds very interesting – but is it plausible – could it really happen? Could they really build a tower that big?

"It can inspire hundreds, thousands, millions of people to rally around something that they want to do." To rally around something means to come together in support of a cause.

Why are people working on, for example, invisibility cloaks? Well, it's Harry Potter, right? That's where they saw it.