- Worldbuilding 5.2k 5.2k 33 gold badges2020 silver badges3737 bronze badges
- Space Exploration 469 469 22 silver badges55 bronze badges
- Role-playing Games 321 321 11 silver badge77 bronze badges
- Science Fiction & Fantasy 203 203 11 silver badge44 bronze badges
- English Language & Usage 177 177 22 bronze badges
- View network profile
Top network posts
- 199 I'm stranded on an alien planet. How do I measure an earth year without a clock?
- 77 If magic is real, can it be true that rational scientific thought should exclude it?
- 30 Can a planet have a day that's always longer than night?
- 19 My time machine can go back farther than yours -- why?
- 19 If the Apollo mandate were delivered today, would the mission vehicle(s) and profile be similar?
- 17 Science, Religion, Magic: Can they be maintained in equal and parallel opposition?
- 17 A Sailing Ship With Cylindrical Sails
- View more network posts →