User mart

26 votes

What would be a credible way to design a watertight membrane that still allows large organisms to pass through?

answered Apr 3, 2018 at 15:12

21 votes

How can we meet aliens in an underpopulated galaxy?

answered Sep 11 at 15:50

10 votes

Accepted

Designing an aircraft for a cyberpunk setting

answered Aug 25, 2020 at 6:43

10 votes

Any motivation for racism still existing in a transhumanist future?

answered Sep 21, 2016 at 11:57

10 votes

Software that shows space travel accurately in 3d from a physics point of view

answered Nov 26, 2018 at 15:18

7 votes

Trading goods with harpies

answered Mar 5, 2018 at 14:58

7 votes

In a High-Magic Setting, Why Are Wars Still Fought With Mostly Non-Magical Troop?

answered Dec 8, 2020 at 10:37

7 votes

Methods for mitigating impact of a large high speed cloud of dust in space

answered Jan 6, 2022 at 13:51

6 votes

Is it possible to blind a spaceship/space warship?

answered Aug 31, 2020 at 7:33

6 votes

Accepted

What is the largest 'hollow' space structure that can be created?

answered Aug 19, 2020 at 9:53

6 votes

How would one design an undetectable nuke to hit the Moon with?

answered Apr 3, 2018 at 9:15

6 votes

What could make large expeditions ineffective for exploring territory full of dangers and valuable resources?

answered Jul 19, 2019 at 9:16

5 votes

How to make vehicular combat viable in a Post Apocalyptic world?

answered Oct 25, 2019 at 8:50

5 votes

Sword that is limp when in sheath, and hard when drawn?

answered Nov 22, 2019 at 9:08

5 votes

Could a species with human-like intelligence keep a biological caste system?

answered Jul 18, 2022 at 15:11

5 votes

Does charcoal fully substitute for coal except in quantity?

answered Jun 28, 2021 at 14:27

4 votes

Is it plausible for a world without fossil fuels to have developed naturally?

answered Sep 4, 2020 at 12:29

4 votes

What materials could create a translucent tower?

answered Sep 7, 2020 at 9:04

4 votes

Accepted

Proper combat distance scaling for a sci-fi space opera tabletop setting

answered Sep 22, 2020 at 7:11

4 votes

Designing a river which does not overflow

answered Nov 12, 2018 at 15:36

4 votes

What measures might an early-medieval society take to deal with draugr?

answered May 7, 2018 at 8:21

4 votes

How could mushroom/fungi forests be possible?

answered Oct 16, 2017 at 14:13

3 votes

What methods might an ancient civilization use to desalinate sea water?

answered Oct 30, 2017 at 10:05

3 votes

Syrup Atmosphere

answered Apr 10, 2018 at 13:47

3 votes

Accepted

Underground cities in a Glacial Climate Transition?

answered Apr 11, 2018 at 9:15

3 votes

In a post-fossil fuel economy, what could natural gas pipelines be used for?

answered Jun 8, 2018 at 7:58

3 votes

How to get raw materials from a water based world?

answered Sep 3, 2019 at 12:27

3 votes

Underground fight club realism

answered Sep 17, 2020 at 10:05

3 votes

Why would people invest in very-long-term commercial space exploration projects?

answered Dec 21, 2020 at 17:14

3 votes

Ways for magic and technology to coexist without affecting each other and the society as a whole?

answered Oct 20, 2020 at 12:31

Stack Exchange Network

69 Answers

What would be a credible way to design a watertight membrane that still allows large organisms to pass through?

How can we meet aliens in an underpopulated galaxy?

Designing an aircraft for a cyberpunk setting

Any motivation for racism still existing in a transhumanist future?

Software that shows space travel accurately in 3d from a physics point of view

Trading goods with harpies

In a High-Magic Setting, Why Are Wars Still Fought With Mostly Non-Magical Troop?

Methods for mitigating impact of a large high speed cloud of dust in space

Is it possible to blind a spaceship/space warship?

What is the largest 'hollow' space structure that can be created?

How would one design an undetectable nuke to hit the Moon with?

What could make large expeditions ineffective for exploring territory full of dangers and valuable resources?

How to make vehicular combat viable in a Post Apocalyptic world?

Sword that is limp when in sheath, and hard when drawn?

Could a species with human-like intelligence keep a biological caste system?

Does charcoal fully substitute for coal except in quantity?

Is it plausible for a world without fossil fuels to have developed naturally?

What materials could create a translucent tower?

Proper combat distance scaling for a sci-fi space opera tabletop setting

Designing a river which does not overflow

What measures might an early-medieval society take to deal with draugr?

How could mushroom/fungi forests be possible?

What methods might an ancient civilization use to desalinate sea water?

Syrup Atmosphere

Underground cities in a Glacial Climate Transition?

In a post-fossil fuel economy, what could natural gas pipelines be used for?

How to get raw materials from a water based world?

Underground fight club realism

Why would people invest in very-long-term commercial space exploration projects?

Ways for magic and technology to coexist without affecting each other and the society as a whole?