User Green

17

123

votes

9

answers

36k

views

Releasing a T-Rex into a modern ecosystem wouldn't be that bad, right?

Dec 14 '17 at 10:42 Community♦ 1

9

61

votes

17

answers

11k

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What would it take to build a ship capable of crossing the Pacific?

reality-check hard-science medieval ships shipbuilding

Apr 27 '19 at 10:33 vsz 9,782

11

56

votes

16

answers

11k

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Selling the right to kill one's convicted abuser: how could an NGO make this profitable?

Dec 18 '18 at 22:03 Community♦ 1

14

50

votes

15

answers

11k

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What good are herbivores in an animal army?

reality-check magic warfare fauna

Jun 4 '16 at 3:48 TrEs-2b 53.5k

14

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

8

41

votes

28

answers

10k

views

Why buy tech from the future?

technology economy time-travel near-future

Dec 15 '18 at 14:33 Community♦ 1

16

40

votes

5

answers

9k

views

Only Three Books: Restarting Physics after civilization collapses [closed]

physics civilization renaissance

Jan 13 '18 at 13:16 Community♦ 1

8

37

votes

2

answers

6k

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Only Three Books: Restarting Chemistry after civilization collapses

civilization chemistry renaissance

Jan 13 '18 at 13:15 Community♦ 1

3

33

votes

12

answers

8k

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How would one design an undetectable nuke to hit the Moon with?

science-based moons nuclear-weapons space-warfare

Nov 22 '18 at 4:13 Community♦ 1

1

32

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18

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7k

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What is the best apex predator to thin the zombie herds?

fauna zombies

Feb 6 '18 at 15:55 Keith Morrison 14.7k

1

31

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3

answers

6k

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A pack of velociraptors in a modern ecosystem, that would be pretty horrible, right?

science-based reality-check ecology dinosaurs

Dec 13 '17 at 18:16 kingledion 82.3k

3

30

votes

5

answers

2k

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How to test a time machine?

time-travel spacetime-dimensions

Feb 15 at 10:15 Community♦ 1

3

30

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10

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7k

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How do I manage memetic infection while time traveling?

time-travel information

Sep 8 '18 at 8:31 Community♦ 1

3

28

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16

answers

4k

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Permitting Customizable UI for a Spaceship's Systems

reality-check spaceships

May 16 '18 at 19:36 Jan Hudec 287

6

27

votes

6

answers

6k

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What would it take to be an Illuminati-like group?

science-based reality-check near-future secret-society

Feb 17 '17 at 13:26 Community♦ 1

17

26

votes

6

answers

1k

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How can I make the cultural evolution of my world believable?

culture worldbuilding-process worldbuilding-resources anthropology

Oct 27 '16 at 14:39 inappropriateCode 5,690

12

24

votes

3

answers

1k

views

How to evolve biological radios?

science-based xenobiology radio

Oct 7 '15 at 13:32 Community♦ 1

2

23

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17

answers

7k

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How to defend against the “convince-me” ray gun?

technology psychology

Jul 11 '16 at 22:59 JDługosz 65.8k

7

22

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11

answers

5k

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What if parents didn't “own” their children?

Dec 27 '17 at 3:23 Monica Cellio 18.8k

13

22

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6

answers

3k

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How do I make the political evolution of my world believable?

politics worldbuilding-process

Sep 20 '15 at 22:27 Brythan 24.6k

1

21

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6

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5k

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An iron rain to starve a planet

reality-check atmosphere geology extinction

Aug 20 '18 at 19:32 kingledion 82.3k

4

21

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6

answers

3k

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Exploration of a 50 mile high mountain

technology space exploration

Nov 4 '17 at 19:05 Community♦ 1

1

20

votes

7

answers

3k

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Initial conditions for a fluorine hellscape

planets chemistry solar-system

May 12 '17 at 12:08 Community♦ 1

4

18

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5

answers

3k

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How do I manage disease risk while time traveling?

time-travel medicine

Nov 27 '17 at 18:23 Community♦ 1

2

17

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science-based evolution weapons xenobiology armors

May 17 '18 at 19:04 Thucydides 94.6k

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Effectiveness of Nuclear Fire in Space

science-based warfare space

May 23 '17 at 5:57 Community♦ 1

2

15

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science-based humans reproduction

Apr 28 '18 at 16:17 Community♦ 1

2

14

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4

answers

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science-based biology evolution creature-design earth

Mar 10 '16 at 12:55 Community♦ 1

3

14

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3

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How would I design a human body for zero gravity?

space humans zero-gravity

Sep 2 '15 at 11:47 Community♦ 1

1

13

votes

10

answers

2k

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Early warning detection system for ground troops, against orbital strikes

science-based warfare orbital-mechanics

May 24 '18 at 8:31 Community♦ 1

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80 Questions

Releasing a T-Rex into a modern ecosystem wouldn't be that bad, right?

What would it take to build a ship capable of crossing the Pacific?

Selling the right to kill one's convicted abuser: how could an NGO make this profitable?

What good are herbivores in an animal army?

Why does my species tock like it ticks?

Why buy tech from the future?

Only Three Books: Restarting Physics after civilization collapses [closed]

Only Three Books: Restarting Chemistry after civilization collapses

How would one design an undetectable nuke to hit the Moon with?

What is the best apex predator to thin the zombie herds?

A pack of velociraptors in a modern ecosystem, that would be pretty horrible, right?

How to test a time machine?

How do I manage memetic infection while time traveling?

Permitting Customizable UI for a Spaceship's Systems

What would it take to be an Illuminati-like group?

How can I make the cultural evolution of my world believable?

How to evolve biological radios?

How to defend against the “convince-me” ray gun?

What if parents didn't “own” their children?

How do I make the political evolution of my world believable?

An iron rain to starve a planet

Exploration of a 50 mile high mountain

Initial conditions for a fluorine hellscape

How do I manage disease risk while time traveling?

Armor for Giant Crabs to Defeat Explosive Bites from Predators

Effectiveness of Nuclear Fire in Space

How to render a large percentage of humans infertile?

The evolution of neon kittens

How would I design a human body for zero gravity?

Early warning detection system for ground troops, against orbital strikes