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An oppressive government uses a time machine to deport their political prisoners to the Cambrian, a half-billion years in the past. 1968 The Last Starship from Earth: John Boyd: In an alternate world, Jesus founded a theocratic government that conquered Rome and still rules the world to this day.
Apocalyptic fiction is a subgenre of science fiction that is concerned with the end of civilization due to a potentially existential catastrophe such as nuclear warfare, pandemic, extraterrestrial attack, impact event, cybernetic revolt, technological singularity, dysgenics, supernatural phenomena, divine judgment, climate change, resource depletion or some other general disaster.
Pre-crime (or precrime) is the idea that the occurrence of a crime can be anticipated before it happens. The term was coined by science fiction author Philip K. Dick , and is increasingly used in academic literature to describe and criticise the tendency in criminal justice systems to focus on crimes not yet committed.
Snow Crash is a science fiction novel by the American writer Neal Stephenson, published in 1992.Like many of Stephenson's novels, its themes include history, linguistics, anthropology, archaeology, religion, computer science, politics, cryptography, memetics, and philosophy.
Science fiction (sometimes shortened to sci-fi or abbreviated SF) is a genre of speculative fiction which typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life.
"A science fiction story is a story built around human beings, with a human problem, and a human solution, which would not have happened at all without its scientific content." [13] Basil Davenport. 1955. "Science fiction is fiction based upon some imagined development of science, or upon the extrapolation of a tendency in society." [14] Edmund ...
A time slip is a plot device in fantasy and science fiction in which a person, or group of people, seem to travel through time by unknown means. [12] [13] The idea of a time slip has been used in 19th century fantasy, an early example being Washington Irving's 1819 Rip Van Winkle, where the mechanism of time travel is an extraordinarily long sleep. [14]
Science fiction genre – while science fiction is a genre of fiction, a science fiction genre is a subgenre within science fiction. Science fiction may be divided along any number of overlapping axes. Gary K. Wolfe's Critical Terms for Science Fiction and Fantasy identifies over 30 subdivisions of science fiction, not including science fantasy ...