Worldbuilding
Sigma Ori's user avatar
Sigma Ori's user avatar
Sigma Ori's user avatar
Sigma Ori
  • Member for 9 years, 6 months
  • Last seen more than a week ago
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6
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9
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27
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Top posts
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question
27
Could a civilization without access to computers have cryptography?
Sep 5, 2016
question
26
Could people in a post-apocalyptic setting work around the fact that fuel expires? [duplicate]
Aug 31, 2017
answer
22
How might the actions of descendants matter for their ancestors? (reverse causality)
Dec 7, 2016
question
19
In a spinning Dyson ring, would objects not touching the surface experience gravity?
Jun 17, 2018
question
14
Is it really possible to see across a ringworld? [duplicate]
Dec 7, 2018
answer
8
Could communism become a strong alternative to capitalism in the future?
Nov 12, 2014
question
4
Could a dryad species be scientifically plausible?
Feb 14, 2017
answer
4
How to fight an Eldritch Abomination
Jan 14, 2015
answer
2
Can Communism become a stable economic strategy? How?
Oct 14, 2016
question
1
When can I have my megastructures? [closed]
Oct 26, 2020