User dot_Sp0T

220

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13

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32k

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

Dec 21 '18 at 14:36 Community♦ 1

120

votes

19

answers

9k

views

In space, do “shipping lanes” make sense?

space travel

Aug 23 at 7:20 Mike Scott 18.9k

112

votes

6

answers

34k

views

How would having multiple moons affect tides?

planets moons

Jun 15 at 1:43 Fivesideddice 659

108

votes

11

answers

44k

views

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

geography cities medieval-europe

Jul 19 '18 at 3:19 user9441904 1

92

votes

37

answers

17k

views

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

space artificial-intelligence futurology

Sep 1 '18 at 22:23 Community♦ 1

90

votes

17

answers

15k

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 '19 at 14:14 Him 247

76

votes

5

answers

8k

views

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

communication medieval-europe

Dec 15 '15 at 20:09 Community♦ 1

72

votes

24

answers

17k

views

What is the utilitarian purpose of artificial waterfalls?

water infrastructure city

Sep 18 at 19:41 EngrStudent 224

70

votes

18

answers

13k

views

Mineral that explodes when cooling down

science-based physics science-fiction chemistry

May 8 '17 at 1:04 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 Community♦ 1

66

votes

13

answers

8k

views

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

creature-design fantasy-races anatomy mythology

Nov 22 at 16:41 James Zwart 53

61

votes

9

answers

8k

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

Mar 5 '20 at 13:17 Community♦ 1

58

votes

17

answers

15k

views

Is space piracy orbitally practical?

reality-check space space-travel orbital-mechanics

Dec 6 '16 at 14:24 Community♦ 1

56

votes

3

answers

25k

views

Creating a realistic world map - Currents, Precipitation and Climate

science-based climate worldbuilding-resources currents

Apr 12 '20 at 22:21 Community♦ 1

54

votes

15

answers

12k

views

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

science-based reality-check technology alternate-history flight

Jan 12 at 6:44 L.Dutch - Reinstate Monica♦ 184k

54

votes

6

answers

12k

views

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

planets reality-check physics orbital-mechanics

May 12 '19 at 21:53 Juraj 1,659

53

votes

11

answers

10k

views

Only the Swiss Are Left - Can They Survive?

post-apocalypse

Oct 31 '19 at 20:06 ak7 443

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

52

votes

31

answers

13k

views

Reason for an exterior control panel on a space ship

spaceships artificial-intelligence engineering

Feb 15 '19 at 0:36 Cyn says make Monica whole 19.9k

51

votes

21

answers

14k

views

What natural phenomena could make an island unreachable?

science-based climate geography

Jul 13 '17 at 5:27 Community♦ 1

44

votes

16

answers

12k

views

Biological CPUs - why would the developed world fear them?

Nov 9 at 10:59 kutschkem 563

42

votes

11

answers

6k

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What would people on multi-generational ships wear?

generation-ships clothing

Feb 11 '16 at 14:04 Tom 7,342

42

votes

5

answers

4k

views

Why does my species tock like it ticks?

creature-design evolution psychology

Dec 30 '16 at 3:43 Community♦ 1

39

votes

16

answers

30k

views

Modern soldiers carry axes instead of combat knives. Why?

weapons modern-age melee

Apr 19 '20 at 21:22 Community♦ 1

37

votes

13

answers

9k

views

How to stop a massive canal system from silting up?

science-based earth-like terraforming ancient-history rivers

Nov 13 at 16:00 Joe 291

37

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16

answers

11k

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How could a sail powered airship work?

flight airships

2d ago Mitch 61

37

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15

answers

12k

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

space-travel spaceships

Sep 25 '17 at 13:41 Community♦ 1

36

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10

answers

11k

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How can I destroy a gas giant planet?

science-based planets space

Dec 4 '17 at 13:17 JDługosz 66.6k

34

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6

answers

5k

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Creating a realistic world map - Mineralogy

geology worldbuilding-process worldbuilding-resources natural-resources

Apr 12 '20 at 22:23 elemtilas 31.9k

34

votes

24

answers

13k

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 Community♦ 1

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

In space, do “shipping lanes” make sense?

How would having multiple moons affect tides?

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

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

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

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

What is the utilitarian purpose of artificial waterfalls?

Mineral that explodes when cooling down

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

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

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

Is space piracy orbitally practical?

Creating a realistic world map - Currents, Precipitation and Climate

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

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

Only the Swiss Are Left - Can They Survive?

Is there any organization to a shantytown of storage containers?

Reason for an exterior control panel on a space ship

What natural phenomena could make an island unreachable?

Biological CPUs - why would the developed world fear them?

What would people on multi-generational ships wear?

Why does my species tock like it ticks?

Modern soldiers carry axes instead of combat knives. Why?

How to stop a massive canal system from silting up?

How could a sail powered airship work?

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

How can I destroy a gas giant planet?

Creating a realistic world map - Mineralogy

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