Talk:List of science fiction themes/sub-page

Theme in SF pages
Political ideas in science fiction
 * Military
 * Religious ideas in science fiction
 * Sex
 * Homosexuality in science fiction
 * Gender in science fiction
 * Sex in science fiction
 * Reproduction and pregnancy in science fiction
 * World government in science fiction
 * Planets in science fiction
 * Dry docks in science fiction
 * Railguns in science fiction
 * Weapons

Cliches that make something SF

 * Parallel worlds or universes.
 * Alternate history
 * Ray guns
 * Space warfare
 * Alien invasion
 * First contact
 * Dystopias and utopias
 * Galactic empires
 * Resizing
 * Shapeshifting
 * Apocalypses or world wide disasters
 * Floating City
 * Space colonization
 * Terraforming

Need citations
Cosmology Sociology
 * Creation of the Universe
 * The future
 * Omega Point
 * Ultimate fate of the Universe
 * History
 * Scientific prediction of the future
 * hive-like eusocial societies
 * Astrobiology
 * Alien languages (e.g. Klingon)
 * Libertarianism
 * Mind reading and mind control
 * Post-"Age of Scarcity"
 * Bio-implants
 * Body modification, including genetic modification
 * Bionics
 * Cybernetics
 * Intelligence amplification
 * Invisibility
 * Life extension, Biological immortality, Universal immortalism and immortality
 * Artificial organs
 * Cloning
 * Cryonics
 * Mind uploading
 * Molecular manufacturing & Nanotechnology
 * Psi powers and psychic phenomenon
 * Clairvoyance
 * Telepathy
 * Telekinesis
 * Paradise engineering
 * Teleportation
 * Posthumanism
 * Kardashev scale
 * Arcologies
 * Domed city
 * Underground city
 * Walking City
 * Space exploration
 * Interstellar travel
 * Faster-than-light travel and communications
 * Hyperspace
 * Warp drives
 * Wormholes
 * Ansibles
 * Generation ship
 * Sleeper ship
 * Space stations
 * Time travel
 * The Grandfather paradox
 * Travel to the Earth's center
 * Artificial gravity
 * Artificial intelligence
 * von Neumann machines
 * Singularity
 * Star lifting & Stellar engineering
 * Megascale engineering & Planetary engineering
 * Virtual reality and simulated reality