User Oldcat - Worldbuilding Stack Exchange

27 votes

Evolution of a non-human species with no concept of gender?

answered Dec 16, 2014 at 23:37

22 votes

What would be best way to re-melt Mars' mantle and core to revive its magnetosphere

answered Jan 16, 2015 at 17:55

22 votes

Naturally occurring wheels - do the 'mech' vs. 'tank' comparison apply to organics?

answered Jul 15, 2015 at 16:46

18 votes

Accepted

How would I limit Feudalism?

answered Feb 26, 2015 at 21:05

18 votes

What could an average modern human achieve in medieval times?

answered Mar 26, 2015 at 18:34

10 votes

What would happen if Napoleon had won the battle of Waterloo

answered May 5, 2015 at 18:44

10 votes

Is there anything that would accelerate the death of the sun?

answered May 18, 2015 at 21:36

8 votes

How could flying soldiers influence medieval battle tactics?

answered Mar 26, 2015 at 17:11

8 votes

Plants to ravage tanks with

answered Feb 24, 2015 at 1:26

7 votes

You've made it to another star! Now, how do you find its planets?

answered Apr 10, 2015 at 18:14

7 votes

How would one weaponize a black hole?

answered Mar 12, 2015 at 18:18

7 votes

What technology is required to detect an underground civilization?

answered Nov 13, 2014 at 20:12

7 votes

How can the imperial roman army keep the dinosaurs in check?

answered Aug 17, 2015 at 20:50

6 votes

What is the least expensive way to annihilate humanity?

answered Apr 10, 2015 at 19:14

5 votes

Unifying two empires?

answered Nov 13, 2014 at 18:09

5 votes

Can mammals go through metamorphosis?

answered Aug 25, 2015 at 17:54

4 votes

Military Logistics: F' 'em and Feed them Beans!

answered Sep 16, 2015 at 19:08

4 votes

What are the duties of a feudal lord?

answered Oct 22, 2015 at 17:32

4 votes

FTL travel is impossible. How is interstellar trade possible?

answered May 29, 2015 at 22:39

4 votes

Predicting lunar eclipses with multiple moons

answered Nov 13, 2014 at 19:41

4 votes

How would society be different in a sentient species that does not care for its young?

answered Nov 19, 2014 at 20:44

4 votes

Can a spaceship traveling close to light speed be knocked off course by a gamma ray burst?

answered Nov 22, 2014 at 0:52

4 votes

Brown Dwarves: Dyson Spheres in disguise?

answered Jan 16, 2015 at 0:30

3 votes

Which U.S. political party should one join in order to reorganize the government into a dictatorial autocracy?

answered Nov 11, 2014 at 1:09

3 votes

Building a (solid) ring around the earth

answered Dec 19, 2014 at 18:22

3 votes

How can I ensure my cities don't all look the same?

answered Dec 19, 2014 at 20:08

3 votes

How to force a country to use a language that merges two languages that diverged 1000 years ago?

answered Jan 27, 2016 at 21:19

3 votes

The AI that fails to be evil

answered Oct 8, 2015 at 18:34

3 votes

Abolishing slavery

answered Jan 29, 2016 at 0:36

3 votes

Would a fighter pilot with an invincible space ship be able to conquer the galaxy?

answered Jan 29, 2016 at 0:46

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114 Answers

Evolution of a non-human species with no concept of gender?

What would be best way to re-melt Mars' mantle and core to revive its magnetosphere

Naturally occurring wheels - do the 'mech' vs. 'tank' comparison apply to organics?

How would I limit Feudalism?

What could an average modern human achieve in medieval times?

What would happen if Napoleon had won the battle of Waterloo

Is there anything that would accelerate the death of the sun?

How could flying soldiers influence medieval battle tactics?

Plants to ravage tanks with

You've made it to another star! Now, how do you find its planets?

How would one weaponize a black hole?

What technology is required to detect an underground civilization?

How can the imperial roman army keep the dinosaurs in check?

What is the least expensive way to annihilate humanity?

Unifying two empires?

Can mammals go through metamorphosis?

Military Logistics: F' 'em and Feed them Beans!

What are the duties of a feudal lord?

FTL travel is impossible. How is interstellar trade possible?

Predicting lunar eclipses with multiple moons

How would society be different in a sentient species that does not care for its young?

Can a spaceship traveling close to light speed be knocked off course by a gamma ray burst?

Brown Dwarves: Dyson Spheres in disguise?

Which U.S. political party should one join in order to reorganize the government into a dictatorial autocracy?

Building a (solid) ring around the earth

How can I ensure my cities don't all look the same?

How to force a country to use a language that merges two languages that diverged 1000 years ago?

The AI that fails to be evil

Abolishing slavery

Would a fighter pilot with an invincible space ship be able to conquer the galaxy?