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Top Questions

2 votes
4 answers
158 views

How would temperature extremes from summer to winter vary from ours if an Earth-like planet had an orbital period 4 times that of Earth?

9 votes
11 answers
2k views

Underground tunneling without spoil piles

5 votes
12 answers
3k views

Is it feasible that cars would be made with a central driving position?

5 votes
2 answers
409 views

Is my map believable?

9 votes
3 answers
2k views

A Glass Window in an Underwater City

4 votes
0 answers
163 views

Fire in a Hydrogen Atmosphere

1 vote
4 answers
151 views

How useful (if at all) would these extra arms be?

1 vote
0 answers
130 views

Why would a creature have this sort of societal structure?

8 votes
6 answers
807 views

Talking to Animals

11 votes
4 answers
2k views

The Apollo program on an alternative moon with greater surface gravity

8 votes
9 answers
2k views

Best vehicle for ascending & descending a super deep valley [closed]

5 votes
1 answer
491 views

What kinds of phonemes can a race with penguin-like barbs be able to make or not?

-1 votes
0 answers
70 views

Looking for a worldbuilding concept I saw online in 2023-2024 [closed]

29 votes
17 answers
5k views

What can be used as reliable, easy-to-understand and hard-to-rig source of entropy for Victorian Age random number generator?

1 vote
3 answers
225 views

Could an alien plant composed of purely stem cells, be very adaptable?

6 votes
1 answer
345 views

How magnitude affects angular diameter/resolution

3 votes
3 answers
206 views

Thermodynamics of extremely rapid growth in large/complex animals

-3 votes
0 answers
120 views

When will earth become over populated [closed]

1 vote
1 answer
179 views

How could I get two characters who speak different languages to the point where they can effectively communicate without a translator? [closed]

15 votes
1 answer
2k views

How far can a nerve signal travel before it lost its information?

15 votes
3 answers
4k views

Could robots live in Antarctica?

5 votes
6 answers
587 views

Ice Dragon Breath

13 votes
12 answers
2k views

If I can manipulate the fundamental interactions, how do I disintegrate humans without causing nuclear explosions?

8 votes
5 answers
911 views

How do I track details in the organization of a complex world?

13 votes
7 answers
2k views

How would modern historians reconcile with a past age where magic existed?

4 votes
1 answer
293 views

How far would the stellar wind of a Wolf-Rayet star contract a neighboring sunlike star's heliopause?

3 votes
4 answers
325 views

Uses for horse manure?

15 votes
5 answers
2k views

Weapons of the Hardwood Forest Rangers

1 vote
2 answers
276 views

Psychological effects of a monster raised in a laboratory [closed]

0 votes
0 answers
83 views

Do digitigrade legs on a human-sized biped make sense? [closed]

1 vote
4 answers
303 views

How would you counter air magic with fire

1 vote
2 answers
354 views

Running a motor on electricity derived from magical lightning?

18 votes
4 answers
4k views

What latitude of Earth will avoid mountain collisions for a flying island?

0 votes
2 answers
195 views

How could a United States citizen safely & successfully sell a very powerful weapon? [closed]

7 votes
1 answer
309 views

Roughly how big could the tidal range be on a human habitable Earth analogue world?

9 votes
7 answers
2k views

How to build the largest possible zeppelin with ancient tech?

1 vote
1 answer
227 views

The power plant of the ark ship in the form of a black hole

23 votes
15 answers
7k views

The Bean Gun. Is it plausible?

8 votes
4 answers
1k views

How could it be possible for an alien eukaryote (or multicellular organism) to survive above 50 Celsius (113 Farenheit)

6 votes
4 answers
2k views

are there any theoretical alterations (whether genetic or mechanical implants) that could be made to the human lungs to suit thinner atmosphere?

-1 votes
2 answers
154 views

Effects of Pluto-sized asteroids orbiting Earth colliding with moon after fragmenting?

0 votes
4 answers
231 views

Could a pre-industrial society go through the Demographic Transitions?

17 votes
10 answers
4k views

Are there any natural forms of communication as robust as speech/vocalization?

3 votes
1 answer
116 views

Speed of Tectonic Plates on a Super Earth


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