In physicist and author David Brin's 1990 novel, Earth, characters wore "True-Vu goggles" to surveil and record "youngsters." And the way society has reacted to wearable technology is what Brin ...

But for author Dr David Brin, sci-fi is a genre that deals with the past every bit as much as it tries to predict where humanity may be heading. “You see, science fiction was badly named ...