User user121330

10 votes

What methods might an ancient civilization use to desalinate sea water?

answered Oct 30, 2017 at 14:54

8 votes

How would a military staffed only with women be different?

answered May 24, 2017 at 20:41

6 votes

A World with Freshwater Oceans?

answered Jul 7, 2017 at 21:14

6 votes

How can I make a planet covered in ice with an ocean beneath the surface?

answered Mar 14, 2018 at 19:03

6 votes

Dramatic orbital spotlight feasibility and price

answered Feb 17, 2021 at 21:56

6 votes

Could a Spaceship Enter/Exit the Atmosphere Without Landing

answered Apr 3, 2017 at 21:30

6 votes

Why might there be no communication between continents for centuries after a civilization collapse?

answered Oct 5 at 7:38

5 votes

How would human anatomy differ if humans almost always had 2-4 children at a time?

answered Jun 30, 2017 at 0:41

5 votes

What traits would a species need to survive in magma?

answered May 6, 2015 at 16:09

4 votes

What possible scientific reasons could there be for a vampire to only be killable via wooden stake to the heart?

answered Aug 25, 2017 at 23:12

4 votes

How to get down Valles Marineris

answered Aug 31, 2017 at 23:04

4 votes

Is pregnancy in zero-g a barrier to long term space living?

answered Nov 7, 2017 at 19:42

4 votes

Accepted

How would you run and operate an interstellar, multi-species cantina?

answered Feb 18, 2021 at 19:33

4 votes

Could a human survive a fall into water with exoskeleton armor?

answered Jun 17, 2021 at 20:14

2 votes

What wearable material do I need to survive a pyroclastic flow?

answered Nov 11, 2017 at 1:00

2 votes

On a world where everyone is nomadic, how does civilization start?

answered Sep 11, 2017 at 23:31

2 votes

How to seize control of a region?

answered Aug 9, 2017 at 23:26

1 vote

Being reborn with your memories - Knowledge is power, but how much?

answered Sep 7, 2017 at 3:42

1 vote

What are the conditions in which a creature would evolve more than one brain?

answered Apr 21, 2015 at 18:07

1 vote

How would Ophiocordyceps unilateralis need to be modified to make a realistic "The Last of Us" apocalypse scenario?

answered Mar 29, 2018 at 15:59

1 vote

Heat Vs Medieval Shields

answered Jan 5, 2018 at 19:17

0 votes

Does a hive mind race need a written language?

answered Oct 12, 2017 at 20:03

0 votes

Would merfolk's spaceship need artificial gravity?

answered Oct 13, 2017 at 19:28

0 votes

Telekenesis is ruining sport: what to do?

answered Aug 16, 2021 at 23:20

0 votes

How could an elected official be made anatomically different to the rest of society?

answered May 21, 2021 at 22:05

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25 Answers

What methods might an ancient civilization use to desalinate sea water?

How would a military staffed only with women be different?

A World with Freshwater Oceans?

How can I make a planet covered in ice with an ocean beneath the surface?

Dramatic orbital spotlight feasibility and price

Could a Spaceship Enter/Exit the Atmosphere Without Landing

Why might there be no communication between continents for centuries after a civilization collapse?

How would human anatomy differ if humans almost always had 2-4 children at a time?

What traits would a species need to survive in magma?

What possible scientific reasons could there be for a vampire to only be killable via wooden stake to the heart?

How to get down Valles Marineris

Is pregnancy in zero-g a barrier to long term space living?

How would you run and operate an interstellar, multi-species cantina?

Could a human survive a fall into water with exoskeleton armor?

What wearable material do I need to survive a pyroclastic flow?

On a world where everyone is nomadic, how does civilization start?

How to seize control of a region?

Being reborn with your memories - Knowledge is power, but how much?

What are the conditions in which a creature would evolve more than one brain?

How would Ophiocordyceps unilateralis need to be modified to make a realistic "The Last of Us" apocalypse scenario?

Heat Vs Medieval Shields

Does a hive mind race need a written language?

Would merfolk's spaceship need artificial gravity?

Telekenesis is ruining sport: what to do?

How could an elected official be made anatomically different to the rest of society?