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Questions tagged [science-fiction]

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

9
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12answers
547 views

Justifying Affordable Bespoke Spaceships

Any story about an independent, self-owned tramp spaceship crew tends to implicitly or explicitly raise the question of how the crew got a spaceship, how it afforded it, and why it doesn't just sell ...
1
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0answers
28 views

What plant life and resources could humans consume if colonies were established on the ocean floor?

I'm interested in creating some construct of a society in the Twilight and Midnight zones of the ocean. By what means could they mine, farm, and trade in what is suppose to be a more futuristic ...
2
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5answers
339 views

Minimum speed required for a galaxy spanning empire

The dawn of the Galactic Empire! Assume that FTL travel and communication is possible, for simplicity we say c is the speed of light. Assume any speed of travel and communication < c*2^100 is ...
4
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8answers
339 views

How can I make the Solar System uninhabitable?

For the Universe I'm creating Humanity has devolved into groups of scattered tribes. This is due to the fact we ran afoul of a really nasty alien race, who decided to leave us homeless. A coalition of ...
1
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3answers
116 views

How would you design Sci-Fi Firearms and ammunition? [on hold]

Apologies in advance, this is going to be a bit of a long read. I am working through the process of fleshing out a science fiction world and want to establish the limits of technology fairly early on,...
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16answers
5k views

Orienting a pilot inside a space fighter

My question stems from What would a space fighter look like? After reading through @dsollen's question can a human fighter pilot fully grasp 3 dimensional frictionless movement in space? I started ...
16
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13answers
6k views

What plausible reason could I give for my FTL drive only working in space

I’ve created a fairly fleshed out, detailed FTL concept. Basically, you have a circular starship, with a ring of tungsten encircling that, held in place by an antigravity ring beneath it. The rim of ...
8
votes
4answers
630 views

Spaceship Emission Security

In my military scifi novel the military is, obviously, very concerned with security aboard its spaceships. They don't want other people to be able to receive any information about what happens on ...
7
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7answers
3k views

What side effects would a genetically enhanced 10 times stronger human have?

I haven't seen my exact question answered in my research, so hopefully this is not a duplicate. I am building a world where the human race on another planet has a reason to genetically enhance ...
33
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5answers
7k views

Dyson sphere with mirrors

What would happen if the entire inner surface of a Dyson sphere (not necessarily a solid shell, maybe a very dense swarm) would be coated into a highly reflective material? Let's say it can reflect ...
17
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11answers
3k views

How viable would an analog computing revolution be?

I am trying to write a sci-fi setting in a not so distant future in which analog signal (brainwaves, in this case) processing is one of the main points of the plot and pretty much required to explain ...
8
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5answers
642 views

How could a government be implemented in a virtual reality? [closed]

In the not so far future a lot of people live inside virtual realities. But there are not only humans living in these virtual worlds but also machines (programs/AI/bots/etc...) on different levels of ...
0
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1answer
168 views

What would the psychological effects be of being a clone? [closed]

Let's set up a scenario; You are rich and powerful. Important to the government for one reason or another, may be 20 or 100. Age doesn't matter because when you die you will be reborn, as a clone. ...
41
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20answers
9k views

What could be the right powersource for 15 seconds lifespan disposable giant chainsaw?

Imagine when a jet fighter swoops in to drop a 400 pounds giant chainsaw to you just so that you can use it to grind down one problematic enemy into a pulp then discard it a foot away from you. What ...
6
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7answers
458 views

Alternative Uses of Bottomless Heat Sinks [closed]

Many traditional space settings feature cloaking devices, which, given what is required for them to work indefinitely against detection in space, imply ability to 'dump' waste heat 'into nowhere' (...
27
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7answers
4k views

If a person had control of every single cell of their body, would they be able to transform into another creature?

If a person had control over each and every single cell in his body, I.e: Cell growth Cell multiplication Shape and form of cells How cells bond/bind with each other Cell Function Would they be able ...
6
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4answers
311 views

A world without fire - what will the military use as their main soldier level weapon?

Assume that modern day Earth discovers a way to create portals to another planet. Travel between the two planets is fast, safe, and easy. The way this works is that there are fixed points on earth ...
10
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7answers
437 views

In an interstellar/interplanetary civilization, which would be most common/cheapest in the market: Plastic or metals?

Considering that oil is only really prevalent on earth (where dead biomatter can be compressed over millions of years into long hydrocarbons) I began to think that plastic might be just as rare as ...
4
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2answers
128 views

What would be the best way for a supernatural entity to fit into a physical body smaller in mass and volume?

Angels are advanced technological beings who are messengers of the gods. These extra-dimensional beings are large, upwards of 30ft tall, and resemble eldritch abominations in their true form, such as ...
14
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22answers
4k views

A sufficient justification for the infantry using lethal, directed energy weapons

It is really really hard to beat kinetic energy as a way to transfer energy to a target. I'd expect handheld railguns before lasers. – John Meacham 20 mins ago It's just simply hard to find a ...
1
vote
4answers
185 views

How would the terrain of a snow-covered mountain deter a mechanized army?

My story is set in a fortress town built below a mountain, and revolves around the struggle between the witch who protects the mountain and the tyrant who seeks to plunder it for resources (think ...
18
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3answers
4k views

Does water in vacuum form a solid shell or freeze solid?

I'm working on a sci-fi setting which includes an aquatic space-faring species. When a human space vessel is ruptured and depressurizes, the gas can escape rapidly and we immediately suffer from the ...
6
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5answers
350 views

How Are Humans Special? [closed]

Setting: Far future space based science fiction. Think Star Trek: Enterprise levels of tech with more consistency and more resources if that helps. There are 4 sentient species in my setting: Homo ...
0
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4answers
264 views

Need help developing a weapon for destroying a dam [closed]

I am working on a story that happens in a dystopian world where the only source of energy is Coal. I wanted to know whether it is possible to break a dam by pressurizing Dam walls with coal GAS ...
3
votes
3answers
273 views

Are there any issues with this FTL drive concept?

I asked a question earlier on here concerning Negative and Heavy Matter - hypothetical types of matter I created to have a working FTL drive. With some extra work, I’ve tweaked the concept and been ...
9
votes
3answers
680 views

Appropriate liquid/solvent for life in my underground environment on Venus

Partly inspired by this question My Venusians are happy in their cloud top city when a small group somehow (with lots of handwaving) crashes to the surface, falls underground, and ends up in a hidden ...
-1
votes
1answer
150 views

Could a black hole be used to lessen surface gravity on a Super-Earth?

Due to the moon's gravitational pull, objects at Earth's surface directly under the moon are slightly lighter. This tiny lessening of gravity would also take effect if the moon were on the exact ...
1
vote
3answers
268 views

How can I describe a substance that allows for suspended animation while keeping the mind active?

I am a collector traveling from planet to planet, who believes that art is an expression of human emotion and feeling, and can come in all types of forms. Many greats, such as Picasso and Van Gogh, ...
6
votes
2answers
138 views

How feasible is this gravity-altering exotic matter I’ve conceived? Would it have any unforseen consequences?

Ok so I was thinking about a way to hypothetically have undiscovered elements with bizarre properties (for unobtainium purposes). And an idea hit me: replace nucleons with heavier but stable ...
23
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8answers
4k views

What could cause an entire planet of humans to become aphasic?

I'm working on a story in which there is some sort of planetary erosion of language. Humans lose the ability to communicate verbally (orally and written). They can remember having language, can even ...
1
vote
0answers
71 views

Could you disrupt the gravity of a black hole using quadrillions of supernova explosions? [duplicate]

For context, I’m planning a novel with as much ridiculous magic as ridiculous science so, yes I know, it’s impossible but that's the fun of mixing science and magic in worldbuilding. So the situation ...
12
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12answers
5k views

Effects of stray bullets in space

A battle takes place on the outskirts of a colonized solar system between attacking and defending forces. Would any stray shots have a chance of hitting a ship or station closer to the center of the ...
6
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4answers
1k views

How can a demonic viral infection spread throughout the body without being noticed?

Demonic possession occurs when an evil spirit hijacks the biological system of an organism, corrupting it and taking control of its functions. Although powerful, the possession eventually breaks down ...
5
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4answers
248 views

Could a Stanford torus rotate on an additional axis to give it a diurnal cycle?

Suppose you have a regular old Stanford torus space station with a 'glass ceiling' rotating at 1.3 RPM. Put it in orbit around a star such that its axis of rotation intersects the star (in other words,...
92
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24answers
26k views

Would intelligent life evolve any other body plan than humanoid?

Disclaimer: This question uses some liberal wording to get key ideas across. It's not meant to be academically rigorous, so please try to focus on the ideas and not the exact definitions of the terms ...
11
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3answers
1k views

Would the rotation of the starfield from a ring station be too disorienting?

The Coriolis effect on a ring-shaped space station gets the most attention, but disregarding that, would the rotation of the starfield be too disorienting? A 1km radius station at 1G simulated ...
5
votes
11answers
622 views

Horses vs. Bicycles in a soft post-apocalypse

I want to ask about the utility of bicycles vs. horses, but in a rather specific circumstance. In the future, there is war (the particulars are irrelevant), and it causes the usual loss of population ...
7
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4answers
1k views

How to convincingly explain Kaiju

This will be a companion question for How plausible is my monster?. My previous question dealt with a story treatment for a hard science and realistic take on Kaiju/ giant monsters. While that story ...
5
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7answers
265 views

How would a military counter the use of genetically modified insects used to defeat CBRN protective gear?

One military has developed insects with strong jaws capable of chewing through the weaker parts of CBRN (Chemical, biological, radiological and nuclear defense) gear and then injecting neurotoxins ...
1
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1answer
158 views

What is the largest I can make my water planet, while remaining within Earth-like parameters?

What is the largest planet I can get, while still remaining within Earth-like parameters? My concern is with gravity, water pressure and atmospheric pressure. Escape velocity is less of a concern. ...
1
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2answers
93 views

How can existing methods of plumping, genetic modification, and gmo feeding be altered to accommodate the need for plumper, meatier human food stock?

I am an orc warboss called "The Beast" who has invaded earth and enslaved humanity. You humies are a worthless sprcies that have accomplished nothing of note in your civilizations throughout history. ...
2
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4answers
198 views

Would a person be able to punch a truck away, if his ability was to subvert “Newton's 3rd Law of Motion”?

I'm struggling with the physics here a bit since I'm a complete novice at this. I'm making a character who's main ability is to subvert/play around with the 3rd Law of motion (For every action, there'...
32
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26answers
9k views

What would be the most effective melee weapon against heavily armored opponent?

In my world front line assaults are done with Mechanized Assault Vehicles, or MAVs. They are kind of like the vehicles in the Mecha universe, but more armor than weapon, more humanoid, than purpose ...
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3answers
124 views

How would a person be able to attain superspeed if they could subvert Newton's 2nd Law of Motion?

I'm struggling with the physics here a bit since I'm a complete novice at this. I'm making a character whose main ability is to subvert/play around with the 2nd Law of motion. Somehow I understand ...
1
vote
0answers
57 views

How might teleportation to or from a place far from a teleportation device work? [closed]

In many science fiction television shows, and movies characters are teleported from the space ship to a planet, and vice verse, even though the planet has no teleportation device on it's surface, and ...
2
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3answers
176 views

What would increasing the gravity of a moon do to its planet?

If I terraformed a moon to have enough artificial gravity/atmosphere to support life, would they end up just crashing into each other? Is there a way to not have this happen, e.g., increasing distance ...
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5answers
148 views

Uses for members of society with cool powers [closed]

In my world, one in every 1000 is born with a power/gift/talent/whatever you want to call it. If you are born with a gift it is in one of three categories: teleportation, telekinesis, telepathy. ...
5
votes
10answers
394 views

Limit immortality technology by cost

The setting is the modern day, US. All aspects (unless addressed by the question) can be assumed to be the same as our current, real Earth. This question has the assumption that a technology exists ...
128
votes
22answers
17k views

Why are there no toilets on the starship 'Exciting Undertaking'?

DISCLAIMER: Any resemblance to other starships (living or dead) is purely coincidental. The starship 'Exciting Undertaking' is a brand new ship about to set off on a five and a bit year mission to ...
19
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1answer
2k views

Could this bubble float with a person inside? [closed]

Related to this previous question: Could a city be built out of Balloons? Remember in Oz where the witch is riding in on a bubble. I began to think how could I make this as real as possible. You ...