Time travel is a common theme in science fiction and is depicted in a variety of media. It simply means either going forward in time or backward, like seeing the future, or the past.
Time travel can form the central theme of a book, or it can be simply a plot device. Time travel in fiction can ignore the possible effects of the time-traveler's actions, as in A Connecticut Yankee in King Arthur's Court, or it can use one resolution or another of t...
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Time travel is a common theme in science fiction and is depicted in a variety of media. It simply means either going forward in time or backward, like seeing the future, or the past.
Time travel can form the central theme of a book, or it can be simply a plot device. Time travel in fiction can ignore the possible effects of the time-traveler's actions, as in A Connecticut Yankee in King Arthur's Court, or it can use one resolution or another of the Grandfather paradox.
Although The Time Machine by H. G. Wells was instrumental in causing the idea of time travel to enter the public imagination, non-technological forms of time travel had appeared in a number of earlier stories, and some even earlier stories featured elements suggestive of time travel, but remain somewhat ambiguous.
A number of themes tend to recur in science fiction time-travel stories, often with enough variation to make them interesting.
Stories that involve time travel devices and technologies that take people...
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