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Top Questions

19 votes
8 answers
5k views

Could a pine forest with year-round snowfall survive?

16 votes
9 answers
3k views

Is it possible for a fairly large community to remain hidden in Scandinavia until the start of the 20th century?

8 votes
16 answers
1k views

How might derelict space ships/stations be only partially salvageable?

4 votes
7 answers
2k views

How can a species be fine with digesting poisons and toxins?

3 votes
8 answers
2k views

How could politicians protect themselves from hypnosis?

9 votes
5 answers
3k views

Is this a breathable atmosphere for human-like aliens that have more efficient oxygen-carrying blood? Normal humans would require a gas mask (oxygen)

6 votes
7 answers
2k views

Hydroponically growing animal feed in a space ship

8 votes
8 answers
2k views

How to get the Lilim to breed true?

4 votes
6 answers
1k views

Countering Free-Electron Lidar?

5 votes
4 answers
529 views

Justification for using Saturn as a future base for colonization

2 votes
6 answers
492 views

Could a merchant city survive not having an military?

4 votes
2 answers
1k views

How does the kraken get its bait? [closed]

8 votes
4 answers
195 views

How do I make longer seasons realistic on an earth like planet?

6 votes
3 answers
550 views

Questions about Moon Phases in Fantasy World

2 votes
4 answers
230 views

What kind of tactical situation/s would be best approached with trained jetpack pilots?

2 votes
3 answers
270 views

Magically created duplicates with limited autotomy. Is this spell too much or just enough to work?

1 vote
4 answers
390 views

Is it reasonable to assume the near-extinction of women?

2 votes
4 answers
133 views

How could someone use teleportation for international travel without anyone knowing [closed]

4 votes
3 answers
161 views

Explaining what exactly opposite magics are [closed]

0 votes
5 answers
146 views

In a belief-based magic system, what is stopping someone from becoming omnipotent?

2 votes
2 answers
228 views

What could make an animal have hallucinogenic blood?

5 votes
2 answers
466 views

How would the edge of a time bubble interact with the world?

1 vote
3 answers
148 views

water producing creatures

-1 votes
2 answers
273 views

Sword with a perpendicular grip

2 votes
3 answers
143 views

Would this atmosphere require humans to wear gas masks but perhaps get acclimated over time?

4 votes
3 answers
83 views

Where in the American West Would a New City Arise?

-1 votes
6 answers
218 views

Is it always possible to for a warrior to kill themself and die?

2 votes
4 answers
88 views

In a world with two systems of magic, why is one system not dominant in some countries?

8 votes
1 answer
186 views

What would be observable about a hypervelocity killer asteroid?

6 votes
2 answers
110 views

Magic Systems: Advice for developing opposing forces [closed]

1 vote
2 answers
120 views

If the current population of humanity along with necessities could fit on a spaceship, how large would that ship need to be?

1 vote
2 answers
120 views

Can my iron neurons work like a biological quantum computer? [closed]

3 votes
1 answer
133 views

What is the timeframe for this abandoned space colony revert to a medieval society?

1 vote
1 answer
100 views

could an equator-round elevator be possible for passing through rings of a planet to reach the moons?

0 votes
2 answers
101 views

Impacts of matricentric reproductive laws [closed]

2 votes
1 answer
69 views

How many generation will it take for the wild genes of the cows to resurface?

-1 votes
2 answers
101 views

how far would a forcibly undeveloped world be able to get in 1000 years if they were left with fundamental concepts of today [closed]

2 votes
1 answer
94 views

How to flesh out oil magic as an opposite to water magic?

0 votes
1 answer
89 views

What gene could have a mutation that makes humans have blubber?

1 vote
3 answers
71 views

Why would an otherwise near future modern society have too many willing recruits attempt to join the military? [closed]

4 votes
1 answer
77 views

What could make an exomoon sand-colored, other than just being covered in sand?

1 vote
2 answers
110 views

How to accelerate time?

0 votes
1 answer
65 views

Metals or Antinatural materials as magic deterrents [closed]

5 votes
0 answers
64 views

What mechanism for the transmission of signals between neurons can be faster than our sodium-potassium?

0 votes
0 answers
80 views

What evolutionary pressures would lead humans to evolve to be able to see ultraviolet light?

-1 votes
0 answers
71 views

Are my alien muscles made of copper and zinc possible?

-1 votes
1 answer
54 views

Underwater architecture and infrastructure [closed]

1 vote
1 answer
38 views

What will be the impact of stone-eating bacteria on human architecture? [closed]


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