Questions tagged [science-fiction]

For questions relating to worlds with a setting of common science-fiction.

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4
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2answers
129 views

What change in the nutritious regime are needed without organic limbs

I got this idea of a society where for some reason where electric energy and a vast array of mechanical prostesis are basicly free, but food on the other hand is extremly expensive. The thing is I ...
2
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1answer
74 views

Organic prosthetic limbs

I recently saw a video about axolotls, and in the video they say that a limb from axolotl can be placed on another axolotl and it would attach itself. could we genetically engineer limbs like that to ...
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4answers
210 views

Diversity of speculative evolution flight mechanics? Attempting to design a megafaunal, aerial diving predator

So, I'm trying to get a concept drawn up for this aerial predator, taking a lot of inspiration from Barlowe's Expedition and its Skewers. I would like to give it a unique mechanism for in-flight ...
5
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2answers
254 views

Could something approximating a Star Wars AT-AT be built with today’s technology?

It must be roughly the same size and height as an At-at and walk on legs, but it does not have to have all of the other At-at features. So no laser cannon or similar, but it can have missile launchers ...
5
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3answers
183 views

Correct Handling Of Alien Invasion's Afteraffects

This is a follow-up to Government Maintaining Good PR despite zombies and is another XCOM-inspired question. In XCOM, a substance called Meld ( a mixture of hybrid nanomachines, part nanobot, part ...
11
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3answers
771 views

Government Maintaining Good PR despite zombies

This question is based off an interesting scenario that I began considering while researching XCOM. It's hard to sum up, but the question is inspired by it, so I'll cover it step-by-step: Aliens ...
1
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1answer
89 views

energy sources for intergalactic travel in fictitious universe with similar laws of known physics but different evolution

This question differs slightly from the many excellent threads on topics similar to this one. In the fictional universe I am contemplating, the same laws of physics apply as in ours, but because of a ...
2
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5answers
532 views

Quickly cooling a tiny planet through some on-surface means

In a small closed system, like a spacecraft, getting rid of built up heat can pose a problem. One method would be to radiate it into space by first pumping the heat into large panels. My game takes ...
3
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2answers
353 views

What's the largest space ship that couldn't support its own weight?

In my story I have a space ship, constructed in orbit around earth by an advanced artificial intelligence, large enough to be a generation ship. This ship was never designed to land on a planet. The ...
-2
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1answer
56 views

Could my deuterostome-like species exist? [closed]

I am writing a science-fantasy story that is set in a pseudo-post-apocalyptic Earth ten million years in the future, and it is about a strange creature that looks vaguely a deuterostome called Céleste ...
12
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6answers
2k views

How to remove Saturn’s rings?

So oblate spheroid man is mad. One of his oblate spheroids has these nasty rings on it and he cannot watch it rotate in peace. So he dispatches Mr. Skeeble to get rid of them. Mr. Skeeble gets to ...
12
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7answers
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Could I build a stairway to Heaven?

There’s a song called "Stairway to Heaven". I thought I could write a story with it as inspiration. Could I build a stairway to Heaven? It must be possible to walk up the stairway. It should ...
2
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4answers
78 views

Sports and Sports' Meetings in Post-Apocalyptic Scenarios

In a sci-fi, post-apocalyptic scenario, is it reasonable/believable to assume that despite hardships, Humans would make time to engage in recreational sports activities? And in the case of sports' ...
3
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3answers
107 views

Maximum privacy VR-Communication for the super-rich

Setting is the near future - we have perfected VR/AR and can provide low-latency communication via satellites in low earth orbit. My company wants to provide a virtual conferencing service with ...
0
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1answer
87 views

If the sun stopped shining, could we survive? [duplicate]

As much as some people say that the sun is evil, it is a very important source of energy to us, so that if we concentrated 1% of the sun's power, we could power the whole world during 50 years. If the ...
11
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6answers
1k views

Spacecraft-mounted weapons, in style

So I'm aware that the usual hard sci-fi array of spacecraft weapons generally includes self-guided missiles, rail guns, lasers, etc. However, in keeping with this spirit of hard science, I've ...
19
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10answers
5k views

How to kill an alien with a decentralized organ system?

I had a cool but not so original idea: aliens with many many redundant organs, and a nervous system spread across their bodies. This creates some issues. How do I kill one? What the Alien is like: The ...
0
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1answer
67 views

Does anyone know of a stellar map that gives the distance between the nearest systems? [closed]

What im looking is for something like this but with more stars
14
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13answers
8k views

How would a theoretically perfect language work? [closed]

Suppose a species gets together to make the most efficient language possible. The species is culturally able to accept it, the logistics of getting it to everybody has already been taken care of. ...
2
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2answers
108 views

How and why would there be stretchy humans

this is my first time asking something so please bear with me 🥵 I want to know how we could have humans that can stretch their body’s very far. Like what evolutionary pressures or things in cells. ...
7
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6answers
153 views

Why would an experimental portal system become connected with a portal system in a parallel universe?

Backstory In around modern time in the United States there was a super secret science project, unknown to the general public. They invented an experimental portal system, allowing to teleport people ...
3
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2answers
148 views

Difference between F type stars and our sun

I'm writing a science fiction series. I have an intelligent nation of reptilian people who live on an Earth-like planet orbiting an F-type star. This nation needs to bask in the sun. How will the ...
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4answers
152 views

Missile warheads in space?

So I am thinking about space battles in my universe. The main weapons on my ships will be missiles/torpedos. Which of these would be the most effective warhead: Tungsten shotguns. The missile closes ...
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8answers
585 views

Realistic space battle distances?

Distance in space battles is a crucial variable that affects the tactics and outcomes. With the following tech what is a reasonable distance for battles to be engaged: Engines: Fusion drives with max ...
0
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6answers
288 views

How to stop serial killers in space? [duplicate]

So I was writing a scene where some charters space a dude and then edit the camera footage to make it look like a suicide. That’s when I realized I had an issue. With good editing software and a “...
5
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2answers
94 views

how can you accelerate the fusion cycle in high mass stars?

I'm trying to design a device that would cause a supernova in a high mass star. I want some kind of explanation so the device doesn't seem so handwavy. Is there any way to somehow increase the amount ...
2
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1answer
63 views

Feedback/help on planetary density?

I’m at a bit of a wall here. I have numbers for mass, radius, and gravity for my planet (Neogaea), but the density is escaping me. Mass: 1.31 earth masses Radius: 1.027 earth radius Gravity: 1.25 ...
2
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1answer
83 views

What technology would a probe need in order to become a self-sustaining colony-constructor?

In a science fiction setting, in the not-too-distant future, people want to send robotic probes out into space - both to explore and to set up boostrap space colonies. They need to be designed to be ...
58
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14answers
10k views

How would Muslims adapt to follow their prayer rituals in the loss of Earth?

I am very aware that this is a deep question and I am really not an expert in Islam or Muslims, though I have tried to do my research. I know that Islam is the second-largest religion, I don't see why ...
3
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2answers
119 views

Impact and Implications of Pregnancy-Inducing Healing

Alright, I'm trying to restate a closed question to see what I get....I'm more than a little nervous. Background: In a world where Desonia exists (see What Would The Result of Tangible Chaos Be On The ...
5
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8answers
303 views

How to kill a marine in power armor?

So there is a riot. This is not a normal riot; it is a uber-ultra-mega riot. The rioters are armed with the best of 21st century rifle tech and whatever they could make at home -- i.e. Molotov ...
6
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6answers
178 views

Best shotgun rounds for space boardings?

Here's the gist, my power armoured marines are going to be equipped with full-auto 8 gauge shotguns (in other words a quarter bigger then your average 12 guage shotgun). Now the marines are much more ...
5
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8answers
281 views

Why would super-soldiers be really tall?

Very simple I need some really big and imposing marines. The enhancements make them stronger with faster reaction speed, bone strengh and the works. Why would these marines be really tall as well? Is ...
4
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3answers
669 views

How would my creatures detect presence?

In my world, there is no light. The only light will be from the equipment the protagonist brings through. The creatures are alien/eldritch/Lovecraft'ian, and has no eyes, so they cannot see when ...
5
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2answers
209 views

How Precisely Can a Space Cannon be Targeted?

If I have spaceships that are firing some variety of cannon at each other - MAC, laser, particle cannon, doesn't really matter the type - at extreme range, then even if the gun itself were somehow ...
1
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1answer
89 views

What would happen if there was a zone of supercooled air over open ocean?

Suppose some government is testing a weather control device. The weather control device can control air temperature within a cube 40 feet to a side, centered on itself, rapidly lowering it's ...
3
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5answers
280 views

How to incorporate scientific development into fantasy/sci-fi?

In the Avatar the Last Airbender manga/comic and Avatar The Legend of Korra, scientific advancement took over industrial work replacing bending. Eventually nuclear weapons would be found (as well as ...
12
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7answers
3k views

How to get blue sand

I want to have a blue furred species native to a desert in the world I'm building, so the obvious way to have that is to have the sand of that desert be blue so they are camouflaged. I could just say ...
6
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3answers
176 views

Shape of a Large Battle Laser?

If I have lasers being used as a primary weapon for spaceships in a realistic sci-fi setting, what would the proportions of the laser cannon itself be? Presumably the cannon would be cylindrical, but ...
2
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2answers
108 views

How to do repairs during high G maneuvers?

In Nemesis Games during the battle a character moves through the ship. Since the ship is maneuvering they get banged around a lot. My books are written with a tech level similar to the Expanse so this ...
8
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7answers
1k views

Most efficient and feasible non-rocket spacelaunch methods moving into the future?

I'm writing a novel that takes place in a future where we've just begun to go interstellar, but the costs are still quite high and the purpose is definitely scientific study, exploration, and so on. ...
2
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2answers
90 views

What kinds of diet/intake changes would be possible for a race with extensive DNA modification abilities?

I'm building some alien cultures for my fictional universe. One race has advanced technology and culture enough to have accepted, regularly occurring, DNA modification available (EDIT: regularly ...
9
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11answers
4k views

Will this stealthy ship work?

My idea is a corvette is dipped in radar reflecting paint that makes it look like a 50x50x70 foot asteroid. It shuts down its reactor and the crew all huddle in the ops deck with minimal heating and ...
2
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6answers
314 views

In a hard sci-fi 0g battle what about friendly fire?

Some heavily armed marines are dumped out of my spaceships to attack the other sides boarding parties. It is hard sci-fi so there is light armor to defend against shrapnel on the ships. Th marines ...
8
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4answers
2k views

Can PDCs stop a railgun attack?

Deep in space a colony ship continues to accelerate unaware of the volley of railgun rounds hurtling towards it. As the light from the attack reaches the bridge the PDCs (Point defense cannons) are ...
9
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3answers
1k views

I need a systematic way to consider all crucial factors when building different kinds of near-future cities

I'm crafting the worlds and cultures of my own Alien societies and a near-future human world (near-future Earth), it's the first time I've attempted this in detail. Everything I've found so far about ...
7
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4answers
1k views

Would cloth coverings be useful for power armor?

Numerous science fiction works feature super soldiers wearing power armor (powered exoskeletons fitted with armor plates that provide varying degrees of protection, strength, speed, endurance, and ...
4
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1answer
107 views

Two Worlds tethered together - how would the forces affect people on the planets?

^ Not to scale Assumptions These worlds are engineered. So some aspects of the worlds can be manipulated. Equal Earth-sized planets. Tether attaching them is infinitely strong. Their separation is ...
4
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0answers
81 views

Giving planets quirks - How can I make the planets in my solar system interesting, even if they're relatively normal? [closed]

My question is simple: what are ways that I can give planets their own unique features without going too crazy? So far, I've created 3 planets: one that has crazy volcanic activity, one that is ...
2
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5answers
317 views

Realistic protection from rayguns?

Ok, this is kind of two questions in one In a scifi setting where laser or plasma are the main weapons, what sort of system would be used to protect from the heat and radiation? My idea was a heat ...

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