- Worldbuilding 4.9k 4.9k 1414 silver badges3636 bronze badges
- History 2k 2k 11 gold badge1212 silver badges3131 bronze badges
- Science Fiction & Fantasy 1.2k 1.2k 44 silver badges2222 bronze badges
- Physics 497 497 22 silver badges1010 bronze badges
- Space Exploration 167 167 44 bronze badges
- View network profile →
Top network posts
- 54 Were ancient ships named?
- 47 Would one atom of antimatter be lethal if annihilated inside the brain?
- 33 Dyson sphere with mirrors
- 33 Would a civilization on a planet with no natural Uranium-235 NEED to first achieve fusion before it can build nukes?
- 31 Roleplaying deity indication
- 30 Did the Elves do mathematics?
- 27 Why would a scientifically advanced future community believe in multiple gods?
- View more network posts →