User depperm

17 votes

How to protect shops in the medieval era against thievery?

answered Sep 14, 2016 at 13:02

10 votes

How would people adapt to a wet world?

answered Jul 23, 2015 at 17:54

6 votes

How could a space helicopter work

answered Jul 27, 2015 at 15:01

4 votes

What would self-repairing armor be made of?

answered Aug 11, 2015 at 18:55

4 votes

How do you find a mate when everyone looks amazing?

answered Jul 23, 2015 at 15:24

4 votes

How would a merfolks spaceship take off?

answered Jul 26, 2016 at 17:55

3 votes

Glass rot - could we survive it?

answered Jul 24, 2015 at 15:17

3 votes

A gold-proof suit for King Midas

answered Apr 8, 2022 at 12:55

2 votes

How do you establish identity when people can change their appearance at will?

answered Jul 24, 2015 at 14:00

2 votes

Effects of one person needing less sleep?

answered Jul 29, 2015 at 18:59

2 votes

Solution for sacrifice dependent society

answered Nov 29, 2017 at 14:24

2 votes

How can an entire continent be concealed from the rest of the world?

answered Sep 28, 2018 at 20:15

2 votes

Fashion and Wings

answered Oct 5, 2018 at 16:43

1 vote

Superpower for Mass Murderer

answered Sep 15, 2016 at 19:23

1 vote

How would you neutralise an invulnerable flying human

answered Sep 22, 2016 at 17:25

1 vote

How can a 'Hero' gain visibility with least amount of effort?

answered Jul 28, 2016 at 12:52

1 vote

How a giant floating landmass might affect the weather?

answered Aug 25, 2016 at 14:12

1 vote

How many countries could theoretically exist in North America?

answered Sep 13, 2016 at 15:39

1 vote

Accepted

How to find freshwater?

answered Jul 31, 2015 at 12:31

1 vote

How to live in an underground city?

answered Sep 1, 2015 at 18:47

Stack Exchange Network

20 Answers

How to protect shops in the medieval era against thievery?

How would people adapt to a wet world?

How could a space helicopter work

What would self-repairing armor be made of?

How do you find a mate when everyone looks amazing?

How would a merfolks spaceship take off?

Glass rot - could we survive it?

A gold-proof suit for King Midas

How do you establish identity when people can change their appearance at will?

Effects of one person needing less sleep?

Solution for sacrifice dependent society

How can an entire continent be concealed from the rest of the world?

Fashion and Wings

Superpower for Mass Murderer

How would you neutralise an invulnerable flying human

How can a 'Hero' gain visibility with least amount of effort?

How a giant floating landmass might affect the weather?

How many countries could theoretically exist in North America?

How to find freshwater?

How to live in an underground city?