All Questions
36,741
questions
0
votes
2
answers
41
views
My Medieval kingdom has birth control, why is the population so high?
My world is roughly the same as the middle ages but has a natural form of birth control in the form of a root that can be grown and consumed to prevent pregnancy.
Because of this root, opportunities ...
- 20k
0
votes
1
answer
42
views
Space-ships and stations...made from cast-iron?
If there's two things i love, it's space-flight, and late 19th century technology, and i hope to implement as much of the latter into as much of the former in my current setting. And one thing that ...
- 541
-4
votes
2
answers
82
views
How much time would it take to build a small medieval city/village/town with a wall surrounding it?
What I'm asking is how many months would it take for around 50,000 people to build an urban medieval settlement that is circular and surrounded by a wall made of brick/stone to protect against magic ...
- 413
1
vote
2
answers
63
views
What kind of physique would a Voswuinian Mastiff need to fight a Voswuinian Liguar in the way described?
Before I start, I want to say that this is not a repeat of my previous question. It’s merely a continuation of the topic, with updates to the nature of both fictional animals involved, with a more ...
- 569
0
votes
0
answers
73
views
Human extinction by killing all plants [closed]
I want to cause human extinction by killing all major food plants. Let's say there are a trillion ears of corn in the world. One person can destroy 1000 ears a day. We need 3 million people working a ...
- 1
0
votes
0
answers
32
views
Finding a stable atmosphere for a different gravity
I am trying to find what would be a stable atmosphere for a planet, using this https://docs.google.com/spreadsheets/d/1cW7BIWlBUscqS9MVqs5gSbPH0OGzyE-j2cz6ADBSVzE/edit#gid=0 (you have to make a copy ...
6
votes
1
answer
808
views
Could humanoid life survive the violent formation of a planetary ring system?
The deepest mythological archetypes in my Earth-like world hint at a wondrous and terrible disaster in the ancient past. ~10 tya a celestial body (perhaps a small, second moon, or a wandering asteroid,...
- 61
4
votes
8
answers
2k
views
An atmosphere that gets denser with increasing altitude, to support these flying creatures
I'm thinking about implementing a race of flying creatures into my current setting, specifically, an earth-like planet with a breathable (enough) atmosphere. Now the easiest way to do this is just ...
- 541
6
votes
3
answers
205
views
How two keep a city floating beneath the surface of an exoplanet's ocean in place?
How would I be able to explain a city that is underwater, floating in place and such. Without it constantly moving. Basically, how can I explain how it stays in place and doesn't get pushed all across ...
1
vote
1
answer
76
views
What kind of magic could people able to manipulate the 4th dimension do? [closed]
In this world with renaissance-like technology wizards are able to "feels" creases in the 3D space and manipulate space in ways limited to their understanding of the 4D (wich is still not ...
- 19
3
votes
1
answer
166
views
Visibility of My "Psuedo-Aurorae"
I have been designing a habitable planet, its moon, and its star for a while now.
Background
My star is a K2V star with very strong solar wind and is about the age of the Sun. Every so often, when the ...
- 652
1
vote
1
answer
65
views
Binary red giant?
I'm currently building a habitable tatooine-like binary system with the following stars:
Mass: 1.09 / 0.85 M⊙
Luminosity: 1.41 / 0.52 L⊙
Radius: 1.07 / 0.88 R⊙
Temperature: 6,087 / 5,230 K
Spectral ...
-2
votes
0
answers
54
views
Ideal Familial Emotions for a species which dwells in separated environments [closed]
I have several worldbuilding ideas which involve sapien5 creatures in separated environments, such as rivers or galls.
I feel it would be useful to know what sort of familial emotional systems would ...
- 15.5k
-5
votes
3
answers
122
views
How would burn-proof people react to enflamed alcohol?
The Ardeites are a group of humans who are wholly immune to being injured by heat and flame. Furthermore, they cannot feel pain. All other features (including instinctive reactions to extreme ...
- 15.5k
11
votes
3
answers
2k
views
Rogue RKKV impacts the Moon
Well, this is my first post here. Been lurking for a while and have read a lot of the RKKV (Relativistic Kinetic Kill Vehicle) questions in my search for a solid answer to my question. Alas, no such ...
- 111
12
votes
5
answers
3k
views
How long would it take for a Japanese-style castle to burn to the ground?
In my story, the land of Koyokuni has a Japanese-style castle, Akimachi Castle. The castle - and indeed the entire city of Akimachi - is uninhabited, though the land is being repopulated after the ...
- 52.5k
5
votes
1
answer
109
views
Is there a way to make a K-star have an unusually strong stellar wind
I have been making a planet and its star for some time now.
Background
In a previous question, I asked how a star could develop an O VII forbidden line and I generally realized that the star needed to ...
- 652
-1
votes
2
answers
98
views
How would law-enforcement authorities tell a clone from the original? [duplicate]
Something I've been pondering- in a future where it's possible to create a clone of a specific person at the age that person is now (instead of as a baby) and, for various reasons government and law ...
- 2,823
0
votes
0
answers
47
views
Some pros and cons for aliens with six fingered hands with four joints per finger? [closed]
I am designing a fictional race of highly advanced beings, but there’s a strange quirk with their fingers. Each of their hands has six fingers, with each finger having four joints in them. Their thumb ...
4
votes
5
answers
2k
views
How big would a dog like the one described need to be to survive an attack by the big cat I’ve described?
The Voswuinian Mastiff has a similar build to the English Mastiff. It was bred to protect livestock from predators such as the Voswuinian Liguar. The Liguar has the overall build and musculature of a ...
- 569
8
votes
3
answers
2k
views
Will my Hydra sink into the bog?
Hydras in my world are much like a brontosaurus in form, but has three heads. Much like a hippo, hydras have incredibly dense bones, and sink rapidly in water. Hydras are almost exclusively swamp ...
- 183
0
votes
0
answers
37
views
Can nature adapt to life without constant access to sunlight? [duplicate]
I create a world where the sun's rays no longer reach the planet, due to the clouds completely covering the sky. Nature must therefore adapt to life without constant access to photosynthesis. I haven'...
- 1
0
votes
0
answers
58
views
Can there be habitable moons despite heavy changes in axial tilt of their mother body?
Ok so i created a gas giant with 10 Jupiter masses and like 9 moons between 0.8 and 1.5 earth masses. All exept the most distanced of those moons are tidally locked to the gas giant and their axial ...
1
vote
3
answers
154
views
What would a planet where giant creatures live be like? (gravity, weather, etc.)
I am thinking about a planet on which gorilla-like people live in. Gorilla-shaped, walking on their knuckles, but with the capability of complex speech and a slightly more humanoid face (possessing a ...
- 19
3
votes
1
answer
130
views
How could a K star develop an [O VII] Forbidden Line at 22.1 Å
The Goal
I have been designing a planet for quite a while now, and I would like the star to have an [O VII] forbidden line in its atmosphere. There doesn't need to be too much, but I need enough for ...
- 652
1
vote
4
answers
142
views
How would a species without optical vision navigate a spaceship? [duplicate]
I wanted to create an alien species with an interstellar civilization, but the twist is that they never developed eyes, due to evolving on a planet far enough away from its star that it’s shrouded in ...
- 1,153
-2
votes
0
answers
61
views
How would we make Joker toxin...? [closed]
So I know about certain substances like oenanthotoxin and so on but I wish to know EVERY possible angle and all theories... We can talk about the states of matter, liquid form, gaseous, 'solid', we ...
6
votes
1
answer
3k
views
How do human girls who are sterilised at age 9 develop as they mature?
On the world of Ruquelis, there are three genders, men, women, and lilim who are a female sex, with wings and clawed feet. Because of the genetics of this situation, lilim are less fertile and can ...
- 52.5k
2
votes
4
answers
399
views
How to make electro kinetic immune to electricity
In my hard science world there is a character that can output electrons around 30000 volts and around 50,000 amps.The problem is that they would instantly die every time they use their ability. So I ...
2
votes
2
answers
132
views
If Earth were located at 1.1 AU from the Sun, would this affect the two zenithal passage days in the Tropics?
I am designing calendrics for an Earth-like planet located 1.1 AU from a Sun-like star. On Earth, on April 30th and August 13th, the Sun appears to pass directly overhead between the Tropics of Cancer ...
- 305
2
votes
2
answers
204
views
How many members of a species would be required to prevent inbreeding? [duplicate]
I’m writing for my Safespace series and I’ve hit a snag: I want Homo sapiens to have been abducted from Earth about 10,000 years ago so that when humans expand to the wider galaxy, they find “...
- 127
2
votes
1
answer
149
views
Is it safe to cook and drink human blood? [duplicate]
post titles that'll get me put on a watchlist
A culture I've been working on has...interesting views on medicine. They divide the physical body into 6 parts, one of them being blood. Long story short, ...
0
votes
2
answers
111
views
Societies After A Sudden 'Ice Age'
About 300 years ago, my world underwent massive climate change. It suddenly shifted from something we'd consider normal/livable to a climate similar to that of the last glacial maximum. (Side note: I ...
15
votes
7
answers
5k
views
Will a Humans Tolerance Keep Going Until Full Immunity?
Context: This is a post apocalypse low fantasy, soft science world. In it megacorps have built a protected city for citizens to survive. The world outside the walls in dangerous, with toxic gas, ...
- 331
0
votes
3
answers
120
views
How large of an initial population would it take for these new traits to average out into the standard population of the world?
Let's say, many years ago, hybrids between humans and other mammalians were created and introduced into the world for various purposes. They have the same cognitive abilities as the other humans, and ...
- 3
10
votes
9
answers
4k
views
Can 21 sports kits be visually distinct?
World I'm building a sports league. The sports league has 21 teams.
This led me to a question that's an interesting intellectual puzzle I thought this forum would like:
Could the 21 teams wear ...
- 4,617
5
votes
6
answers
1k
views
Eyes that aren’t spheres: possibilities? [duplicate]
I have a sci-fi-like universe and one of the species has long, vertical eyes.
But would this be anatomically possible without a sphere-like structure? I know that compound eyes are a thing, but how &...
0
votes
2
answers
228
views
How to protect against laser blinding warfare?
Here is the problem:
You have a spaceship, with cameras and view ports, and there is a new laser technique going around: Simply shoot cameras with your laser, and blind anyone who tries to peer ...
- 183
-3
votes
0
answers
79
views
If aliens invented falconry, what would it be like? [closed]
So let's say we arrive on a new world. We meet the locals, and they are at a lower level of tech than us. One of them sticks out a tentacle wrapped in hide, and a flying creature comes out of the sky ...
- 63
0
votes
0
answers
83
views
What type of natural organism would best replicate self-repairing nanobots? [closed]
Context: The world itself is soft science post apocalyptic, humans live in either dystopic walled cities or in small groups in the dangerous wilds. Catastrophic climate change and pollution has led to ...
- 331
1
vote
0
answers
90
views
Motivations for creating "brainstar" bioplanets [closed]
I define a "bioplanet" as any single organism that completely covers the surface of a planet. In my scenario, humans pass Kardashev Type I status and build a Matrioshka brain around the core ...
- 117
1
vote
1
answer
210
views
When would a cannon be a quick weather device if you put a sock in it?
I’ve had an aerial combat scene written for a while but I’m not sure how to describe the environment that would make it work. In in the heat of pursuit, my very salty Captain is frustrated at his ...
- 8,129
1
vote
0
answers
49
views
Would the rain shadow effect cause this area to be a desert?
The arrows are the wind currents. This would affect this the most. The purple triangles are the mountains. They are similar in height to the Ural Mountains of western Russia.The turquoise area is ...
- 674
6
votes
7
answers
2k
views
Extrapolating a culture from its use of armored fighting vehicles? [closed]
Ok, rewriting this one, so some of the answers and comments are from a simpler version:
Let's say, in an alternate timeline, or on another world, we discover the equivalent of mechanized warfare -- ...
- 63
0
votes
0
answers
40
views
What would happen if all at once, 1/3 of carbon left the atmosphere? [closed]
This is obviously a purely theoretical question, that I'm asking as a hypothetical for a worldbuilding exercise.
Let's say some event occurred on Earth in which some sudden process removed 1/3 of the ...
Savannah
0
votes
0
answers
53
views
Viability of lasers in space [duplicate]
Specifically, if lasers were to be used as a weapon, or as a mining tool, for a spaceship, would it be at all practical? Most spaceships in my world are made of aluminum and/or titanium, at least ...
- 183
3
votes
2
answers
1k
views
Is this ocean-planet stable?
I'm building a cold, water-based ocean-planet for my current setting, its temperature being below 0°c at all times and in all of its regions. Even despite the freezing temperatures, the planet's ...
- 541
12
votes
5
answers
3k
views
Is it possible for an artesian basin to go underneath a shallow sea while still being freswater?
An artesian basin is an aquifer in which water within permeable rock is kept under pressure between 2 layers of impermeable rock.
I don't know if any artesian basin exists like this in real life, but ...
- 3,804
-2
votes
0
answers
48
views
Person building and using imaginary conversation models with imaginary people, and not being able to receive from the outside [closed]
Let's say someone builds in their mind some mental model of imaginary people with whom they build a model used to make understandings with such people (which, become limited in scope to understandings ...
5
votes
4
answers
3k
views
Could a magnetized chain work as a grappling hook?
Once the chain is swung and wraps around the desired structure could the magnetism be strong enough to support a person swinging from it?
- 121