User ckersch - Worldbuilding Stack Exchange

89 votes

11 answers

13k views

What would be the best way to get clean, drinkable water in a medieval city?

asked Apr 13, 2016 at 0:22

71 votes

27 answers

9k views

Can humans interact meaningfully with the economy when robots are better at everything?

asked May 7, 2015 at 15:36

70 votes

10 answers

11k views

Are there any ways to allow some form of FTL travel without allowing time travel?

asked Jul 11, 2016 at 0:28

61 votes

7 answers

12k views

How far away would an alien civilization need to be for us to not notice them?

asked Apr 6, 2016 at 17:51

57 votes

9 answers

9k views

What would the fortifications of an underwater city look like?

asked May 19, 2015 at 18:10

57 votes

11 answers

12k views

What would be the best way to fight a duel with lightsabers?

asked Dec 15, 2015 at 23:15

57 votes

12 answers

13k views

Would gorillas with human-level intelligence make effective soldiers?

asked Feb 24, 2016 at 20:26

53 votes

2 answers

17k views

How would winds behave on a tidally locked planet?

asked Dec 1, 2014 at 20:39

40 votes

16 answers

9k views

What could humans do to render the earth uninhabitable?

asked Dec 15, 2014 at 16:52

40 votes

4 answers

33k views

How long would it take for a forest ecosystem to overtake New York City?

asked May 1, 2015 at 15:21

36 votes

6 answers

13k views

Are hoofed bipeds feasible?

asked May 28, 2016 at 17:26

30 votes

8 answers

16k views

How many survivors would be left after a global nuclear war?

asked Oct 26, 2015 at 17:18

29 votes

7 answers

3k views

How could bird people map the air?

asked Jun 10, 2015 at 18:53

26 votes

9 answers

8k views

What advantages would bovines have over horses when used as cavalry?

asked Dec 18, 2014 at 18:49

25 votes

6 answers

3k views

What's the highest population the Earth could possibly sustain?

asked Jun 19, 2015 at 18:31

23 votes

9 answers

3k views

Is there any feasible way to inhabit the sun?

asked Dec 8, 2014 at 16:59

21 votes

6 answers

5k views

Why would people use flapping-wing instead of fixed-wing aircraft?

asked Jan 29, 2015 at 23:28

21 votes

3 answers

5k views

Would an island-covered planet be possible?

asked Sep 17, 2015 at 21:43

20 votes

6 answers

7k views

Would building a Dyson sphere inside the Earth's orbit render our planet uninhabitable?

asked Feb 14, 2017 at 16:11

19 votes

22 answers

7k views

What traits or behaviors would favor female warriors over males?

asked Jun 14, 2017 at 22:46

16 votes

13 answers

3k views

How could war be replaced by sports?

asked Feb 13, 2015 at 19:58

15 votes

2 answers

1k views

How far could a planet be from its star and still be kept habitable by intense greenhouse gases?

asked Mar 14, 2016 at 16:56

13 votes

6 answers

4k views

Would it be possible to ride a gravitational wave?

asked Feb 17, 2016 at 0:05

12 votes

7 answers

4k views

What determines whether or not tribes will form into larger groups?

asked Jan 30, 2015 at 19:20

12 votes

10 answers

2k views

How would life evolve, or could life be engineered to live, in the absence of an atmosphere?

asked May 4, 2015 at 17:57

12 votes

5 answers

3k views

Could life evolve in the degenerate era of the universe?

asked Mar 11, 2016 at 20:19

11 votes

9 answers

3k views

How would cloned neanderthals fare in modern society?

asked Aug 7, 2015 at 18:30

11 votes

8 answers

2k views

How could a civilization without war evolve? [duplicate]

asked Aug 20, 2015 at 17:57

11 votes

6 answers

1k views

Can hive-based aliens develop advanced technology without telepathy?

asked Oct 15, 2015 at 3:20

11 votes

9 answers

1k views

What goods would be worth trading between Earth and Mars?

asked Oct 23, 2015 at 13:57

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50 Questions

What would be the best way to get clean, drinkable water in a medieval city?

Can humans interact meaningfully with the economy when robots are better at everything?

Are there any ways to allow some form of FTL travel without allowing time travel?

How far away would an alien civilization need to be for us to not notice them?

What would the fortifications of an underwater city look like?

What would be the best way to fight a duel with lightsabers?

Would gorillas with human-level intelligence make effective soldiers?

How would winds behave on a tidally locked planet?

What could humans do to render the earth uninhabitable?

How long would it take for a forest ecosystem to overtake New York City?

Are hoofed bipeds feasible?

How many survivors would be left after a global nuclear war?

How could bird people map the air?

What advantages would bovines have over horses when used as cavalry?

What's the highest population the Earth could possibly sustain?

Is there any feasible way to inhabit the sun?

Why would people use flapping-wing instead of fixed-wing aircraft?

Would an island-covered planet be possible?

Would building a Dyson sphere inside the Earth's orbit render our planet uninhabitable?

What traits or behaviors would favor female warriors over males?

How could war be replaced by sports?

How far could a planet be from its star and still be kept habitable by intense greenhouse gases?

Would it be possible to ride a gravitational wave?

What determines whether or not tribes will form into larger groups?

How would life evolve, or could life be engineered to live, in the absence of an atmosphere?

Could life evolve in the degenerate era of the universe?

How would cloned neanderthals fare in modern society?

How could a civilization without war evolve? [duplicate]

Can hive-based aliens develop advanced technology without telepathy?

What goods would be worth trading between Earth and Mars?