Science fiction often shortened to sci-fi is a theme in various forms of fiction which use concepts that seem scientific, but are not real. This is a major grouping of fiction and is often contrasted with fantasy.
Media
Time line of the history of science fiction.
Flowchart of SF Signal's top 100 fantasy and sci-fi books.
Size Comparison of science fiction spaceships by DirkLoechel.
The time line of popular sci-fi movies, by Dan Meth.
Comparative speed of vehicles from various franchises.
Science fiction film alphabet by Stephen Wildish.
D&D alignment described with sci-fi fantasy characters.
Size comparison of sand worms, by Dan Meth.
Links