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Top Questions

4 votes
1 answer
38 views

Stealth In Space Calculator

10 votes
3 answers
958 views

Could ghosts be an airborne species of octopus?

8 votes
8 answers
993 views

In what situation would universal full-body protective clothing be preferable to living in sealed habitats?

5 votes
3 answers
796 views

Could Jupiter-like planet be able to radiate energy to sustain life on satellite?

1 vote
0 answers
30 views

Stability in my habitable planet orbiting a binary system

4 votes
1 answer
249 views

Would the equatorial region on an alternative Earth spinning on two axes still be +/- 5° above the median "equator?"

0 votes
2 answers
76 views

What would crops and livestock look like if farmers tended to breed the least desirable members of their crops and livestock?

5 votes
13 answers
4k views

How to protect a country with no army, no police, no guards, no military authority? [closed]

4 votes
3 answers
922 views

How would time dilate for pioneers travelling to Alpha Centauri Cb?

4 votes
6 answers
693 views

Would a Democratic Meritocracy work?

-1 votes
0 answers
23 views

Axial Tilt and Calender [duplicate]

5 votes
4 answers
454 views

Legitimacy of an army of neotenous amphibians

5 votes
6 answers
150 views

Can an amphibian grow fur?

11 votes
6 answers
2k views

What species would make good flying livestock?

14 votes
16 answers
6k views

What could cause a society to collectively forget about an event?

6 votes
4 answers
526 views

How would quadrupedal tetrapods use complex tools and become more technologically advanced?

3 votes
2 answers
73 views

Causes of extreme seasons on an Earth-like planet such that humans need to migrate

2 votes
2 answers
71 views

What is the optimal number of fins for maximum maneuverability of an aquatic organism?

7 votes
5 answers
2k views

Negative pressure projectile propellants (Alternatives to gunpowder)

-1 votes
1 answer
49 views

Axis tilt, days, and a year

1 vote
1 answer
86 views

How do these plants capture cosmic rays?

2 votes
2 answers
88 views

How would geometric leaves and flower petals evolve?

13 votes
11 answers
4k views

Opposite 'Fire Magic'?

1 vote
1 answer
56 views

Crafting a Water Cycle for a Cube World with State-dependant Gravity

14 votes
16 answers
4k views

How did the bugs get all over the place?

10 votes
6 answers
4k views

Keeping an airship aloft using only propellers (and nuclear reactors)

2 votes
3 answers
823 views

Very Simple: Is white hair good for a hot environment?

9 votes
6 answers
2k views

Universal Graphical Representation of a specific moment in time

4 votes
4 answers
1k views

Does this method of artificial gravity violate the conservation of momentum? [closed]

5 votes
11 answers
5k views

Fully electric flamethrower

2 votes
0 answers
23 views

Why are the flux limits larger for low-temperature stars? [migrated]

1 vote
1 answer
150 views

How speedy is a temporal weapon’s destruction of a planet?

22 votes
12 answers
5k views

A world where some currency loses value when handled would have a deflationary economy. What would the consequences to society be?

5 votes
5 answers
2k views

Is a four-armed humanoid body-plan as realistic as a centaur-like body-plan?

5 votes
1 answer
48 views

Insect like muscles for a human skeleton that is alive, would it be able to move in a "snappy" capatult way?

0 votes
0 answers
43 views

Where can I find material on company/ownership/organisational structures? [closed]

9 votes
7 answers
1k views

Advice on designing an inconsistent magic system [closed]

11 votes
13 answers
5k views

Why wouldn't the world have advanced warning of a significant asteroid/comet strike?

5 votes
8 answers
2k views

Why would a transforming vehicle gain\lose access to its primary weapon when it mode switches?

-2 votes
3 answers
2k views

Is carbon-223 theoretically possible? [closed]

8 votes
8 answers
4k views

If the Earth stopped spinning, what's the ideal point for it to stop to ensure the most people survive?

21 votes
7 answers
4k views

Could you actually do orbital deployment?

6 votes
5 answers
2k views

Evolution of predatory elves

1 vote
0 answers
38 views

How to calculate the tides for lake?

14 votes
16 answers
3k views

Evolutionary advantage of a venom compound that makes pain pleasurable

7 votes
7 answers
2k views

How would humans on Earth detect a Shkadov thruster on other side of the Milky Way Galaxy?

1 vote
0 answers
35 views

What should the core mass fraction of a habitable planet that orbits very close to a dwarf star be to ensure electromagnetic protection from flares?


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