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{{merge|science fiction}}

{{merge|science fiction}}

Science fiction (Sci-Fi for short) is a genre of literature, film, theater, and other forms of expression that are based on speculations about current or future science or technology.  It is notably difficult to define what is and isn't Sci-Fi as such stories can be set in the future, present or past, and on alien worlds, alternate forms of Earth or even Earth as it is or was historically.  Even defining Sci-Fi as being a medium that contains at its core scientific or technological concepts that are used to either define, drive or resolve the story is inaccurate enough that, as a description, it would include such works as Bones, CSI, etc; which are notably not Science Ficiton works.   

Science fiction (Sci-Fi for short) is a genre of literature, film, theater, and other forms of expression that are based on speculations about current or future science or technology.  It is notably difficult to define what is and isn't Sci-Fi as such stories can be set in the future, present or past, and on alien worlds, alternate forms of Earth or even Earth as it is or was historically.  Even defining Sci-Fi as being a medium that contains at its core scientific or technological concepts that are used to either define, drive or resolve the story is inaccurate enough that, as a description, it would include such works as Bones, CSI, etc; which are notably not Science Ficiton works.