Time And Travel In Science Fiction
...Asimov, when asked to explain the difference between science fiction and fantasy, once said that science fiction, with its grounding in science, is possible, whereas fantasy, which has no grounding in reality, is not. Based upon this definition, Asimov would probably characterize the time travel in two novels, Ursula LeGuin’s The Dispossessed and Octavia Butler’s Kindred, very differently.
Like many SF novels, time travel is an important element in Kindred, but according to Asimov’s definition, it is more fantasy-like than SF-like. Butler would agree with Asimov; when asked to label her novel, she has called it “a grim... Time And Travel In Science Fiction
The great science fiction writer Isaac Asimov,...