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11 views

Could this idea for a anatomically functional merfolk could « sound » plausible ? Open to suggestions

This anatomic conception of a merfolk(merman and mermaid) is a amalgalm of biological particularities found in in sea mammals(dolphins, whales, manatees, sea lions) and sharks. Some are not found on ...
4
votes
3answers
46 views

Ways of detection of radiation wastelands/spots in a technology free world?

BACKSTORY: So in my story there was a type of nuclear winter that forced surviving humans to live underground until the world above became breathable again. By now the world than once was (our world) ...
4
votes
1answer
32 views

How a living creature could develop a way to create high pressures inside its body?

For many creature design ideas with based on science inspiration, their biology requires a way to produce high pressions into their body with the aim of pressurizing gases or containing some other ...
2
votes
3answers
39 views

Without cellular-level aging, will brain eventually wear out? If so, how long it will take?

After lots and lots of work, team of biologists and computer scientists finally made what was deemed to be nearly impossible - a (digital) brain uploading and simulation system. Like every emulator ...
1
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0answers
19 views

Could an orphan planet have a moon? [migrated]

Is there some reason why an orphan or rogue planet wouldn't have a moon? Let's say it started out in a normal system and then just got flung out by an unstable orbit.
3
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2answers
72 views

Would an Antimatter Engine be dangerous to use around people?

I was considering having the spacecraft in my setting use antimatter-matter spacecraft, but then I realised that at least some of the annihilation of protons and electrons with antiprotons and ...
6
votes
2answers
118 views

How could medieval nobles standing improve by having someone from 2021 as an accountant?

I remember reading in another question about Time Travel here on the forum, with the subject of you being stuck in medieval time. That if you where lucky you could have a good life serving your local ...
4
votes
2answers
231 views

How would arctic travelers, in a medieval setting, keep water from freezing?

The setting is extremely cold all the time, and traveling around takes days. How would travelers bring water rations with them and keep it from freezing? There are almost no un-frozen bodies of water ...
3
votes
1answer
53 views

What type of biological changes would need for animals to move earth-like on a terraformed mars?

Assuming Mars was successfully terraformed. It has earth-like atmosphere composition and density. Plant life is abundant. My question is what type of biological changes animals (and birds; not humans) ...
1
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0answers
22 views

Geology and climate etc on a earth size habitable moon of a gas giant [closed]

A bit of background: I'm in the beginning stages of creating a habitable moon orbiting a gas giant. The conditions I have so far for this are: The moon itself is more or less Earth-size, and the gas ...
2
votes
1answer
35 views

Would a race with greater muscle density need more or less food than Humans?

In my world, the explanation for Elves being naturally skinny is having a much greater muscle density than their Human cousins, basically causing them to be just as strong but far less bulky and a ...
8
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4answers
470 views

Implications of a Race which becomes Smarter when in Danger

So I'm designing an alien race loosely based on the Kafers from the tabletop RPG 2300 AD. These aliens not only become temporarily hyper intelligent as an electrochemical effect, (their equivalent to ...
1
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2answers
53 views

Fire-themed enemy ideas [closed]

So I'm currently designing a video game lava level and I wanna fill it with fire-based animals that will essentially act as enemies for the players to interact with. So far I've currently got two ...
15
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3answers
727 views

Could a natural disaster completely isolate a large city in the modern world without destroying it?

I'm trying to construct a society which has had a narrow miss with a natural disaster that has isolated them, scared them considerably, changed the culture, made many of them preppers, but didn't kill ...
0
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0answers
39 views

What would life be like in a giant pan of water? [closed]

So imagine a world that was basically a giant pan/bowl of water. Like it is literally in a scaled-up pan/bowl of water. For reference, let us just say this pan/bowl is around the same area as Earth, ...
0
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0answers
20 views

BIOS not recognizing USB Boot [migrated]

Hey Guys, I am new to stack exchange, So, here is my question, I wanted to install Lubuntu on a really old computer, so the way I did this was by taking help from this article where it showed me how ...
3
votes
1answer
66 views

Making a portable fire flute with thermoacoustics

Preliminary context Before we start, sit back and relax, and let me have you a cup of context : Last month, While wandering on the netdom, I wondered how I'd add some cultural interest to my medieval ...
3
votes
1answer
54 views

How would my world connect to Earth? [closed]

I'm building a world for the novel I'm writing (called Aroura) and it's a separate world from Earth. There are three tribes, the dragons, the elves, and the humans. My heroine, Galaxy, finds out she's ...
2
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3answers
124 views

Rites of the Church of Quantum Immortality [closed]

Somewhere in the far present there is a Church of Quantum Immortality, whose members believe that they do not die. The idea is generally expressed in terms of the Wheeler multiple-worlds concept: ...
2
votes
3answers
127 views

What modifications to the human genome would need to occur to make Mars hospitable to humans?

In a futuristic setting hundreds of years into the future humankind has the ability to program the human genome to colonize other worlds. What changes would need to be made to the human genome to ...
4
votes
2answers
94 views

Insectoid helmets: How would an insectoid-like alien race protect their antenna?

So, in my world I have a species of insectoid aliens called the Vosian. The Vosian are insectoid like (except they have lungs more like mammals and a closed-circulatory system). These Vosians, like ...
2
votes
2answers
47 views

How to model an earth-like planet with extreme winters in the northern hemisphere?

I want to create a planet where there are extreme winters (3 months with temperatures up to -40°C) at around 50° latitude. The summers are just slightly hotter (a day of 30°C in the summer would not ...
1
vote
1answer
58 views

A Real-Life Lethal Lava Land [closed]

Imagine for a moment, a video game lava level exactly like BotW's Eldin Region, or the eighth world in New Super Mario Bros: Wii. You know, flowing lavafalls and rivers, lava spewing mountains akin to ...
1
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2answers
113 views

How would stone age settlements interact with, and be influenced by closely neighbouring high-tech civilisation?

I've tried to find real world examples where something like Maasai Tribes, or groups of a similar life style, that live more or less alongside a high-tech civilisation, but I haven't been able to. ...
-4
votes
3answers
112 views

Is is possible to create body armour that can withstand being shot ten times? [closed]

So in video games, there is there armor that is gun-resistant. I know there is real-world armor that could take one shot but is there one that could take, say, ten? Is there an example of this?
0
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6answers
165 views

could a helium balloon be large enough to hold up an island?

I'm wondering if its possible to make a helium blimp large enough to hold up an island (big enough to lift the island of Nauru) at an altitude of about 4500 feet above sea level. how much helium would ...
0
votes
1answer
95 views

Is there any better place to train for space travel than in a nuclear submarine? [closed]

As a nuclear submarine captain with 17 years at sea and also having written an advanced research project on adaptation of submarine technology to the space station, here are a few points to consider. ...
2
votes
1answer
81 views

How would monsters realistically exist in our world? [closed]

How would monsters exist in real life? Setting: The world is like ours, but with some changes. The geography is as if the tectonic plates did a different thing, the plants are similar but there also ...
11
votes
6answers
2k views

How would people in Medieval times react to the clothes worn by a time traveler coming from the present day?

My heroine (accidentally) travels through time and finds herself in a medieval setting (a forest in e.g. 1100). The only things that time traveled with her, are her clothes. At first she gets lost in ...
3
votes
6answers
741 views

How to cross a gorge with deep valley plagued by corrosive effluvium in medieval times?

There is a beautiful deep canyon called "Gorge Yor Ei Ou" by the local, it has a deep cleft filled with deadly and corrosive effluvium that doesn't seems to go away. The shortest distance ...
3
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0answers
57 views

Plopup Masquerade: Will It Be Effective?

This is a sequel to Just How Dangerous Would a Plopup Be? and concerns an idea I had for making Plopup more dangerous. Basically, the problem with Plopup is that they are too predictable. Hurt one, ...
2
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3answers
179 views

Oceans of sugar?

Simple/Vague question but what would it take to have a world that oceans aren't salty but sweet? Oceans full of sugar is that even possible?. Also secondary question could life survive in the water?
-1
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1answer
60 views

what would happen to humans if the earth slowed down and finally stopped? [duplicate]

my question is if the earth slowed down what would happen to humans would we die would some of us die would we all live what would happen? I have tried google and that did not work is there any thing ...
0
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0answers
51 views

What would happen if Earth abandoned all agricultural land? [closed]

First of all, this is a purely hypothetical scenario There is no reason for humans to completely abandon agriculture, and we will assume that the world receives its current influx of agricultural ...
6
votes
4answers
177 views

Is this creature's proportional head size feasible?

I am irritatingly perfectionist and must know things to relax my anxiety. So this creature here. From the top its head shape is salamander. Its mouth is large and strong and the cranium needs enough ...
0
votes
3answers
159 views

Would a Muslim pray during a dangerous situation? [closed]

I'm writing a short scifi story in which a small group of people are trying to escape a failing space station. The characters need to go through a dangerous part of the station. One of them is a ...
0
votes
2answers
87 views

Would Calcification Benefit People and If So, How?

This is a question in the series of Enchantment Benefits for Humans, the successor of Would Rubberizing Benefit People and If So, How?. When an item kills a Chomper (you can see link one or link two ...
22
votes
10answers
3k views

Deflecting an incoming star, railgun style

A friend of mine, ɹɐqooɟ, lives in a large globular cluster where stellar encounters and collisions are very common. His civilization is a Type 1.8 civilization, having built half of a Dyson Sphere ...
1
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0answers
48 views

Would it be possible to mine the metallic hydrogen from jupiter with our current technology? [duplicate]

Simply put, metallic hydrogen is obtained at absurd atmospheric pressures, becoming a stable liquid with very interesting properties. As a super conductor or simply the most efficient fuel that ...
2
votes
8answers
531 views

Human clientes as unofficial currency in a cashless society. Would it work? [closed]

Premise The setting is on Earth in a not distant future (imagine 150/200 years). AIs manage most aspects of society, including justice administration. They are extremely efficient and can quickly ...
3
votes
1answer
137 views

Mountain heights - theoretical limits

I have a country bounded on three sides by fold mountains. Due to a magical plot device, the force acting to drive the upward motion of the mountains persists indefinitely, acting on the plates ...
16
votes
10answers
3k views

What kind of deadly ranged weapon can pixies use against humans?

Description of pixies As heavy as a standard golf ball. As big as official ping pong ball. Humanoid but have a pair of wings for flight. Prefer to live in forested areas. Eats fruits and insects. ...
2
votes
3answers
206 views

Defending Medieval Villages From Gluttons and Savages

This sequal to How Can I Protect Medieval Villages From Chompers? concerns only one thing: Chomper Evolutions. Yeah, that's right, those potentially man-eating walking eggs evolve into even more ...
3
votes
1answer
53 views

Usefulness of Synergy Enchantment

I have recently conceived of a fifth member of the Little Four, the four most common monsters in my fantasy world: Bitbugs. These cute little bugs have rounded bodies (they look sort of like blimps), ...
1
vote
5answers
131 views

How to manage nuclear armed missiles in a spaceborne combat environment?

Thanks to all the members in my previous question regarding nuclear armed missiles (nukes). From those responses, it turns out nukes are more powerful than I expected they would be in terms of ...
-3
votes
2answers
165 views

How to keep explosive projectiles without propellants?

In the world i'm making, humans are physically incapable of producing propellants. Why? Because their God won't allow it. That doesn't mean humans stop searching for better ways to kill each other. So ...
4
votes
3answers
151 views

How Should Cuisine Vary Across a Geographically Diverse Empire?

The Argentolian Empire is a massive land that spans a region roughly the size of the continental United States. Located in the southern hemisphere of its planet, the north is generally tropical, the ...
-1
votes
0answers
87 views

Can Carbon—AKA C type—stars support habitable planets? [closed]

Can Carbon—AKA C type—stars support habitable planets? I don't know if they act like normal stars, but can they support a habitable planet? By habitable I mean not only in the habitable zone like also ...
6
votes
1answer
118 views

Could orbital neodymium magnets create a magnetic field for mars?

I'm wondering if, using enough neodymium magnets (dont worry where the material is coming from) in a low martian orbit, could you produce a powerful enough magnetic field to protect the atmosphere ...
8
votes
5answers
974 views

Farming sense check

There is a highly militarized nation of 300k people between 0 and 60 years old – technology level similar to the Romans. For climate, think the Mediterranean with plenty of freshwater (streams & ...

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