Welcome to the Science Fiction Motif Index, a small repository of concepts from science fiction and their history. Explore the development of robots, carbon fiber, and alien encounters as told through stories of different time periods. Find the influences and predecessors of your favorite stories, or other stories that explore the same concepts.
49
Works
101
Motifs
36
Creators
92
Examples
Crew members from the starship Enterprise acidentally teleport into a parallel ("mirror") universe populated by evil copies of their ship and crewmates.
Aliens may have no gender, either due to no dimorphic sexual characteristics, or just a difference in culture.