User trichoplax is on Codidact now

58 votes

18 answers

17k views

Plausible explanation for lack of reflection in a mirror

asked Dec 31, 2014 at 11:40

46 votes

18 answers

3k views

How can I make money work across separate planets?

asked Sep 22, 2014 at 11:33

44 votes

8 answers

12k views

How extensive could a habitable twilight zone be on a tidally locked planet?

asked Sep 21, 2014 at 7:28

28 votes

2 answers

5k views

How can I estimate how far into a cave network breathing is possible?

asked Sep 23, 2014 at 0:40

26 votes

7 answers

3k views

A realistic road network

asked Oct 26, 2014 at 12:53

26 votes

15 answers

6k views

Could an autotrophic civilisation develop, or will evolving life forms always eat each other?

asked Aug 20, 2015 at 10:09

24 votes

13 answers

3k views

Ethical solution to generation ship where new generation want to go home

asked Sep 25, 2014 at 16:48

22 votes

4 answers

2k views

City in a hollow tree

asked Sep 22, 2014 at 13:22

22 votes

6 answers

3k views

How long does terraforming take if you have to build the planet from asteroids?

asked Oct 16, 2014 at 13:04

18 votes

11 answers

1k views

What conditions could lead to an indefinitely long state of war?

asked Sep 22, 2014 at 15:30

13 votes

1 answer

349 views

Are infections necessary for human colonisation?

asked Sep 21, 2014 at 13:32

12 votes

9 answers

3k views

Believable magical transmutation of elements

asked Mar 2, 2015 at 13:49

11 votes

2 answers

322 views

Ensuring consistency in a world

asked Sep 19, 2014 at 10:35

8 votes

3 answers

294 views

Can sufficient magnetic shielding be provided by solar power? [closed]

asked Sep 26, 2014 at 13:58

7 votes

3 answers

510 views

Maximum Earth population given biological shrinking

asked Oct 8, 2014 at 13:42

5 votes

2 answers

345 views

Maximum Earth population by wiping out biological life

asked Oct 8, 2014 at 13:45

Stack Exchange Network

16 Questions

Plausible explanation for lack of reflection in a mirror

How can I make money work across separate planets?

How extensive could a habitable twilight zone be on a tidally locked planet?

How can I estimate how far into a cave network breathing is possible?

A realistic road network

Could an autotrophic civilisation develop, or will evolving life forms always eat each other?

Ethical solution to generation ship where new generation want to go home

City in a hollow tree

How long does terraforming take if you have to build the planet from asteroids?

What conditions could lead to an indefinitely long state of war?

Are infections necessary for human colonisation?

Believable magical transmutation of elements

Ensuring consistency in a world

Can sufficient magnetic shielding be provided by solar power? [closed]

Maximum Earth population given biological shrinking

Maximum Earth population by wiping out biological life