User DerGreif

298

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42

answers

62k

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How do you prove you're from the future?

time-travel

Nov 11 at 22:16 yeah22 123

261

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22

answers

49k

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What's the smallest change to physics required to allow magic?

Nov 11 at 21:46 yeah22 123

185

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18

answers

74k

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How could dragons be explained without magic?

science-based biology creature-design mythical-creatures dragons

Nov 11 at 22:36 yeah22 123

180

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14

answers

24k

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Humans are Gone: Do the Chickens Make It?

post-apocalypse fauna

Oct 31 '18 at 14:16 Sherwood Botsford 9,667

164

votes

26

answers

32k

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Can a substance be more lethal in smaller doses?

biology medieval poisons

Jun 4 '18 at 19:23 Community♦ 1

146

votes

34

answers

67k

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You can control a Demon by knowing its True Name, but why?

reality-check language demons

Oct 30 '19 at 4:09 Community♦ 1

141

votes

17

answers

13k

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A Most Subtle Magic

society magic invisibility

Jul 4 '19 at 16:50 Willk 216k

140

votes

21

answers

98k

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What is the minimum human population necessary for a sustainable colony?

society colonies humans

Feb 8 at 15:48 Salami-tsunami 489

123

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33

answers

30k

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What vehicle would be the best one to start a >1000 km travel in a post apocalyptic zombie situation?

science-fiction post-apocalypse zombies travel vehicles

Jan 10 '19 at 0:23 Daniel B 8,993

111

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6

answers

34k

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How would having multiple moons affect tides?

planets moons

Jun 15 at 1:43 Fivesideddice 659

105

votes

25

answers

19k

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How to build a trap to last the ages?

science-based

Apr 16 '18 at 16:08 Community♦ 1

104

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26

answers

34k

views

How to survive the heat death of the universe?

apocalypse energy survival universe death

Nov 20 '18 at 18:52 Community♦ 1

103

votes

13

answers

24k

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If I went back in time, how could I handle being among the Black Death and survive?

medieval time-travel diseases medicine

Mar 9 at 15:23 nonthevisor 247

93

votes

33

answers

16k

views

How would it make sense that spellbooks or grimoires teach only one spell?

magic

Mar 14 '19 at 23:14 Community♦ 1

91

votes

19

answers

44k

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Why would vampires be incapable of entering a non-vampire human’s house uninvited?

science-based biology vampires

May 1 '16 at 8:48 Community♦ 1

90

votes

31

answers

17k

views

My time machine needs to know when it is

time-travel spacetime-dimensions time-manipulation

Jul 2 '18 at 14:26 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

88

votes

17

answers

16k

views

Would a robot really need to use a heads up display (HUD)?

reality-check robots

Apr 23 '19 at 20:43 Community♦ 1

87

votes

20

answers

140k

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Possible distance travelled by horse over 6 weeks?

reality-check travel medieval renaissance

Nov 22 at 21:47 Katie 1

82

votes

11

answers

16k

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Is it worth sending a manned mission to a black hole?

science-based near-future black-holes

Apr 11 '19 at 16:57 Community♦ 1

81

votes

13

answers

15k

views

Are there techniques for creating alien or foreign sounding names?

language worldbuilding-process

Jul 2 '19 at 7:48 Community♦ 1

79

votes

1

answer

11k

views

A list of worldbuilding resources

worldbuilding-process worldbuilding-resources software-recommendations

Mar 15 at 19:01 rek 12.2k

77

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11

answers

68k

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How many people can you feed per square-kilometer of farmland?

science-based food

Aug 25 '18 at 1:00 Sparky 41

76

votes

5

answers

8k

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

communication medieval-europe

Dec 15 '15 at 20:09 Community♦ 1

76

votes

19

answers

15k

views

How would an aquatic race develop computers?

technology technological-development underwater computers

Feb 14 '18 at 18:36 ESL 903

76

votes

33

answers

31k

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If magic is real, can it be true that rational scientific thought should exclude it?

technology magic

Nov 30 '17 at 18:10 Community♦ 1

74

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6

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4k

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Are geographically typed planets realistic?

reality-check planets geography

Dec 20 at 18:08 Mary 11.7k

74

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18

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6k

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How to prevent tiny mistake in 'programmable language' magic spell causing horrible disasters?

magic

Dec 11 '18 at 23:22 Community♦ 1

73

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30

answers

13k

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Ugh, I'm stuck in an orbital spaceport. But why?

space-travel spaceships near-future kessler-syndrome

May 28 '18 at 2:19 Community♦ 1

73

votes

18

answers

12k

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How do I make an alien technology feel alien?

science-based reality-check technology weapons aliens

Nov 13 '16 at 12:34 Community♦ 1

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How do you prove you're from the future?

What's the smallest change to physics required to allow magic?

How could dragons be explained without magic?

Humans are Gone: Do the Chickens Make It?

Can a substance be more lethal in smaller doses?

You can control a Demon by knowing its True Name, but why?

A Most Subtle Magic

What is the minimum human population necessary for a sustainable colony?

What vehicle would be the best one to start a >1000 km travel in a post apocalyptic zombie situation?

How would having multiple moons affect tides?

How to build a trap to last the ages?

How to survive the heat death of the universe?

If I went back in time, how could I handle being among the Black Death and survive?

How would it make sense that spellbooks or grimoires teach only one spell?

Why would vampires be incapable of entering a non-vampire human’s house uninvited?

My time machine needs to know when it is

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

Would a robot really need to use a heads up display (HUD)?

Possible distance travelled by horse over 6 weeks?

Is it worth sending a manned mission to a black hole?

Are there techniques for creating alien or foreign sounding names?

A list of worldbuilding resources

How many people can you feed per square-kilometer of farmland?

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

How would an aquatic race develop computers?

If magic is real, can it be true that rational scientific thought should exclude it?

Are geographically typed planets realistic?

How to prevent tiny mistake in 'programmable language' magic spell causing horrible disasters?

Ugh, I'm stuck in an orbital spaceport. But why?

How do I make an alien technology feel alien?