The brightest minds in our field have been trying to find a definition of science fiction for these past seventy years. The short answer is, science fiction stories are given as possible, not necessarily here and now, but somewhere, sometime.
Larry NivenThat's the thing about people who think they hate computers. What they really hate is lousy programmers.
Larry NivenOnce every hundred years, the Los Angeles smog rolls away for a single night, leaving the air as clean as interstellar space. That way the gods can see if Los Angeles is still there. If it is, they roll the smog back so they won't have to look at it.
Larry Niven