User Mark Ripley

29 votes

An environment where round beds are easier to build than rectangular

answered Apr 21, 2017 at 6:45

18 votes

What would make scientists realize they were on a flat world?

science-based planets physics geography astronomy

answered May 28, 2016 at 7:29

15 votes

Does mirror armour work against laser guns?

technology warfare light

answered Sep 4, 2016 at 6:20

10 votes

Accepted

What can I do to make a Bartering system stable?

reality-check society alternate-history currency

answered May 21, 2016 at 7:26

10 votes

Accepted

Soap as the backbone of civilization

post-apocalypse

answered Apr 9, 2016 at 10:12

9 votes

Accepted

Is it possible to transform Jupiter into micro-star?

technology nuclear gas-giants

answered Sep 3, 2016 at 8:44

8 votes

How could a species survive on just luring in and eating humans?

reality-check evolution creature-design fauna food

answered Jun 3, 2016 at 7:29

6 votes

How to let a Whale urh... fly?

science-based creature-design flight sea-creatures

answered Aug 7, 2016 at 8:23

5 votes

How do I explain checkpoints without magic?

science-based reality-check time-travel time

answered Jan 1, 2017 at 11:53

4 votes

Lembas bread (2000 Calories per bite)

science-based reality-check biology food chemistry

answered Sep 22, 2016 at 12:54

4 votes

Realistic cryosleep with short or no wake-up protocol?

science-based technology science-fiction cryogenics

answered Feb 11, 2017 at 8:26

4 votes

How to make food last indefinitely

space science-fiction space-travel cryogenics

answered May 29, 2016 at 5:12

3 votes

How could water breathing animals have a warm-blooded level of metabolism?

creature-design merfolk bio-mechanics

answered Jun 5, 2016 at 10:34

3 votes

How might a collective such as The Borg develop?

science-fiction cyborg

answered May 7, 2016 at 10:45

3 votes

Creating a realistic timekeeping system for a fantasy world

science-based reality-check worldbuilding-process medieval-europe time-keeping

answered Mar 26, 2016 at 17:22

3 votes

What Uses Will Chompers Have In Medieval Society?

mythical-creatures medieval-europe low-fantasy

answered Sep 7, 2021 at 16:03

3 votes

What kind of propulsion system would work in the air and underwater?

hard-science near-future aircraft shipbuilding

answered Sep 7, 2021 at 16:19

3 votes

How do you set up a long term colony on Mercury

planets space space-colonization colonization

answered Nov 6, 2016 at 17:25

2 votes

What choice of magic arrows would be most useful against modern military

magic warfare

answered Dec 4, 2016 at 8:09

2 votes

Can the collapse of capitalism trigger space colonization?

economy apocalypse space-colonization

answered Feb 3, 2017 at 9:42

2 votes

Modern facilities with medieval technology?

technology medieval

answered Mar 26, 2016 at 18:27

2 votes

Accepted

What good reason to raise an army of super-clones suffering from acute dementia?

warfare creature-design genetic-engineering

answered Sep 17, 2016 at 9:04

1 vote

What form of transmission for zombies would be most effective?

reality-check apocalypse zombies diseases

answered May 28, 2016 at 8:12

1 vote

Can a robot track someone by their DNA?

artificial-intelligence robots

answered Mar 26, 2016 at 17:46

1 vote

How would ant-sized humans be able to Blacksmith Metals Safely?

construction metals metalworking scaling

answered May 11, 2019 at 7:46

1 vote

Cyberpunk dystopia mixed with Roaring Twenties

law dystopia

answered Dec 8, 2016 at 8:35

1 vote

How would immersive cinemas work?

science-based society technology science-fiction augmented-reality

answered Nov 13, 2016 at 12:33

1 vote

Is there a reason why similar or the same musical instruments would develop?

society alternate-worlds music

answered Jan 7, 2017 at 7:45

0 votes

Side effects of a time altering device

science-based science-fiction

answered Jan 8, 2017 at 12:47

0 votes

How do I wage war against a collective consciousness?

science-based reality-check warfare aliens

answered Sep 3, 2016 at 9:07

Stack Exchange Network

current community

your communities

more stack exchange communities

32 Answers

An environment where round beds are easier to build than rectangular

What would make scientists realize they were on a flat world?

Does mirror armour work against laser guns?

What can I do to make a Bartering system stable?

Soap as the backbone of civilization

Is it possible to transform Jupiter into micro-star?

How could a species survive on just luring in and eating humans?

How to let a Whale urh... fly?

How do I explain checkpoints without magic?

Lembas bread (2000 Calories per bite)

Realistic cryosleep with short or no wake-up protocol?

How to make food last indefinitely

How could water breathing animals have a warm-blooded level of metabolism?

How might a collective such as The Borg develop?

Creating a realistic timekeeping system for a fantasy world

What Uses Will Chompers Have In Medieval Society?

What kind of propulsion system would work in the air and underwater?

How do you set up a long term colony on Mercury

What choice of magic arrows would be most useful against modern military

Can the collapse of capitalism trigger space colonization?

Modern facilities with medieval technology?

What good reason to raise an army of super-clones suffering from acute dementia?

What form of transmission for zombies would be most effective?

Can a robot track someone by their DNA?

How would ant-sized humans be able to Blacksmith Metals Safely?

Cyberpunk dystopia mixed with Roaring Twenties

How would immersive cinemas work?

Is there a reason why similar or the same musical instruments would develop?

Side effects of a time altering device

How do I wage war against a collective consciousness?