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Worldbuilding
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reality-check
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58 posts edited
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685 votes cast
Summary Answers Questions Tags Badges Favorites Bounties Reputation All actions

111 Favorites

Added Views Newest Activity Votes
214
votes
13
answers
31k
views

Is there a single historic event which could be changed to cause the USA to use SI units?

reality-check alternate-history time-travel
Dec 21 '18 at 14:36 Ian Kemp 492
115
votes
17
answers
8k
views

In space, do “shipping lanes” make sense?

space travel
Dec 17 '18 at 23:04 The Imperial 3,115
106
votes
6
answers
28k
views

How would having multiple moons affect tides?

planets moons
Mar 30 '17 at 17:59 Luke Steers 1
105
votes
11
answers
34k
views

In a medieval setting, how far apart should towns be?

geography cities medieval-europe
Jul 19 '18 at 3:19 user9441904 1
91
votes
37
answers
16k
views

How to keep humans pilots instead of AI in sci-fi future?

space artificial-intelligence futurology
Sep 1 '18 at 22:23 Demigan 17.3k
89
votes
17
answers
14k
views

Are there logical gaps in the periodic table in which you could insert a new mystery element for use as a fuel?

science-based chemistry fuels
Aug 19 at 14:14 Scott 247
75
votes
5
answers
7k
views

How quickly and accurately should news travel in a rural medieval setting?

communication medieval-europe
Dec 15 '15 at 20:09 Community♦ 1
70
votes
14
answers
16k
views

Is it possible to make an alloy that melts at low temperatures and solidifies at high temperatures?

chemistry materials
Aug 24 '17 at 2:17 Willk 150k
68
votes
18
answers
12k
views

Mineral that explodes when cooling down

science-based physics science-fiction chemistry
May 8 '17 at 1:04 Level River St 2,219
68
votes
24
answers
17k
views

What is the utilitarian purpose of artificial waterfalls?

water infrastructure city
Jan 17 at 18:30 EngrStudent - Reinstate Monica 234
60
votes
12
answers
8k
views

Justifying why a troll's skin would turn to stone in sunlight

creature-design fantasy-races anatomy mythology
Jun 28 at 11:18 Michael Mortensen 1,324
56
votes
3
answers
21k
views

Creating a realistic world map - Currents, Precipitation and Climate

science-based climate currents
Feb 17 '17 at 8:07 Jos Van Iersel 1
56
votes
17
answers
14k
views

Is space piracy orbitally practical?

reality-check space space-travel orbital-mechanics
Dec 6 '16 at 14:24 Community♦ 1
53
votes
10
answers
5k
views

Is there any organization to a shantytown of storage containers?

construction dystopia infrastructure
Apr 1 '17 at 17:00 Community♦ 1
53
votes
9
answers
7k
views

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

science-based space-travel time-travel faster-than-light
Nov 21 '17 at 9:52 James McLellan 7,918
53
votes
15
answers
11k
views

Would a steam powered plane be able to cross the Atlantic ocean?

science-based reality-check technology alternate-history flight
Sep 24 at 23:11 overlord - Reinstate Monica 5,760
52
votes
31
answers
13k
views

Reason for an exterior control panel on a space ship

spaceships artificial-intelligence engineering
Feb 15 at 0:36 Cyn says make Monica whole 19.5k
52
votes
11
answers
10k
views

Only the Swiss Are Left - Can They Survive?

post-apocalypse
Oct 31 at 20:06 ak7 413
51
votes
21
answers
13k
views

What natural phenomena could make an island unreachable?

science-based climate geography
Jul 13 '17 at 5:27 JDługosz 64.8k
49
votes
6
answers
10k
views

Could two planets be tidally locked to each other so close they share their atmosphere?

planets reality-check physics orbital-mechanics
May 12 at 21:53 Juraj 1,374
42
votes
5
answers
4k
views

Why does my species tock like it ticks?

creature-design evolution psychology
Dec 30 '16 at 3:43 Cort Ammon - Reinstate Monica 119k
41
votes
15
answers
12k
views

Biological CPUs - why would the developed world fear them?

society social-norms trans-humanism cyborg cyberpunk
Sep 3 '17 at 22:54 Jim Klimov 153
40
votes
11
answers
6k
views

What would people on multi-generational ships wear?

generation-ships clothing
Feb 11 '16 at 14:04 Tom 6,516
37
votes
10
answers
11k
views

How can I destroy a gas giant planet?

science-based planets space
Dec 4 '17 at 13:17 JDługosz 64.8k
37
votes
15
answers
12k
views

Non-relativistic FTL is trivial. Why are spaceships mostly pretty small?

space-travel spaceships
Sep 25 '17 at 13:41 Ross 2,206
36
votes
14
answers
10k
views

How could a sail powered airship work?

flight airships
Nov 7 '17 at 18:36 user535733 12.9k
36
votes
16
answers
25k
views

Modern soldiers carry axes instead of combat knives. Why?

weapons modern-age melee
Mar 12 '17 at 11:45 Sec SE - clear Monica's name 17k
36
votes
12
answers
8k
views

How to stop a massive canal system from silting up?

science-based earth-like terraforming ancient-history rivers
Nov 30 '17 at 22:30 KalleMP 662
34
votes
24
answers
12k
views

What is the most reasonable way for non-binary computers to have become standard?

technology alternate-history computers
Dec 11 '18 at 17:04 Amarth 191
33
votes
6
answers
4k
views

Creating a realistic world map - Mineralogy

geology worldbuilding-process natural-resources
Mar 12 '17 at 22:08 Community♦ 1
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