User codeMonkey - Worldbuilding Stack Exchange

78 votes

Can a space-faring robot still function over a billion years?

answered Mar 5, 2019 at 19:44

50 votes

Accepted

How would the navies of the present hunt down a sea monster with sonar invisibility?

answered Apr 29, 2020 at 6:29

44 votes

Accepted

Would a purely agricultural world exporting its production be sustainable when it comes to water?

answered Aug 15, 2022 at 21:03

43 votes

Accepted

How can AI know that all humans are dead?

answered Apr 14, 2022 at 20:11

35 votes

How to sustain/create a 4 foot tall city?

answered Mar 14, 2018 at 18:34

32 votes

How would the indigenous peoples of North America have developed in the absense of the Europeans?

answered Feb 12, 2018 at 14:57

28 votes

Bow types and their pros and cons

answered May 14, 2021 at 18:55

27 votes

How to become a dictator by travelling to worse realities?

answered Jan 8, 2020 at 18:28

26 votes

Why would radio signals be invented/transmitted when communication is not an issue?

answered Jun 14, 2018 at 23:43

26 votes

What would be the cheapest way to demolish large amounts of buildings when damage to the surrounding area isn't a concern?

answered Mar 7 at 17:12

21 votes

Accepted

How does a military fight while trying not to be nuked?

answered Mar 2, 2022 at 22:13

21 votes

There's no space to construct a runway. Are early planes still useful and promising technology?

answered Aug 22, 2023 at 18:16

20 votes

How believable are "X-ray sights"?

answered Mar 26, 2018 at 13:37

19 votes

Why might any self-respecting dungeon engineer employ a booby trap which isn't lethal?

answered Jun 5, 2020 at 20:07

19 votes

Semiconductor foundries are a thing of the past. Rebuild the computer industry if you can

answered Mar 19, 2021 at 12:44

18 votes

Accepted

How plausible is it for nuclear power to be invented but not nuclear weapons?

answered Sep 22, 2020 at 14:38

18 votes

What would a spacefaring race use as fuel for their matter-to-energy reactors?

answered May 2, 2022 at 14:27

17 votes

How do spaceships determine each other's mass in space?

answered Mar 7, 2019 at 23:04

17 votes

How does the Ash Manor get electricity?

answered Apr 14, 2015 at 13:52

14 votes

Biological Blimps: Propulsion

answered Mar 21, 2019 at 20:53

13 votes

Adapting humans to be more likely to survive gunshot wounds?

answered Aug 14, 2020 at 18:40

13 votes

Accepted

(How) Can I make directional nuclear blast?

answered Apr 28, 2015 at 13:26

13 votes

How would mapmakers deal with moving cities?

answered Mar 31, 2022 at 17:36

12 votes

Plausibility of using orbital mirrors to dig a canyon

answered Jun 22, 2023 at 14:29

11 votes

How do Roman analogues purify air in a mushroom forest?

answered Jul 2, 2021 at 12:52

11 votes

Accepted

Stabilizing the Temperature On a Planet With a (Very) Long Day

answered Oct 2, 2015 at 23:46

11 votes

Is It Possible to Have Different Sea Levels, Eventually Causing New Landforms to Appear?

answered Sep 19, 2019 at 14:41

11 votes

Harvesting resources from a geostationary point 100km above sea level

answered Jan 12, 2019 at 14:01

10 votes

What would be the best melee weapon(s) to emphasize arboreal mobility?

answered Feb 3, 2020 at 18:33

9 votes

Accepted

How would characters communicate under surveillance

answered Apr 10, 2015 at 15:54

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158 Answers

Can a space-faring robot still function over a billion years?

How would the navies of the present hunt down a sea monster with sonar invisibility?

Would a purely agricultural world exporting its production be sustainable when it comes to water?

How can AI know that all humans are dead?

How to sustain/create a 4 foot tall city?

How would the indigenous peoples of North America have developed in the absense of the Europeans?

Bow types and their pros and cons

How to become a dictator by travelling to worse realities?

Why would radio signals be invented/transmitted when communication is not an issue?

What would be the cheapest way to demolish large amounts of buildings when damage to the surrounding area isn't a concern?

How does a military fight while trying not to be nuked?

There's no space to construct a runway. Are early planes still useful and promising technology?

How believable are "X-ray sights"?

Why might any self-respecting dungeon engineer employ a booby trap which isn't lethal?

Semiconductor foundries are a thing of the past. Rebuild the computer industry if you can

How plausible is it for nuclear power to be invented but not nuclear weapons?

What would a spacefaring race use as fuel for their matter-to-energy reactors?

How do spaceships determine each other's mass in space?

How does the Ash Manor get electricity?

Biological Blimps: Propulsion

Adapting humans to be more likely to survive gunshot wounds?

(How) Can I make directional nuclear blast?

How would mapmakers deal with moving cities?

Plausibility of using orbital mirrors to dig a canyon

How do Roman analogues purify air in a mushroom forest?

Stabilizing the Temperature On a Planet With a (Very) Long Day

Is It Possible to Have Different Sea Levels, Eventually Causing New Landforms to Appear?

Harvesting resources from a geostationary point 100km above sea level

What would be the best melee weapon(s) to emphasize arboreal mobility?

How would characters communicate under surveillance