Questions tagged [science-fiction]

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

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6answers
224 views
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Cons of Antimatter Weaponry

In the story I'm creating, a major weapon type of humanity will be Antimatter based weaponry. This is a fairly new technology, as antimatter production facilities have just reached the size and ...
4
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3answers
61 views

How can an industry within an intergalactic empire operate without Stargates?

Long, long, ago in a galaxy far, far, away, there existed an empire which spanned many solar systems. The majority of these planets are inhabitable to some extent, and we're populated by humans during ...
4
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3answers
183 views

If the Earth would break apart, how likely would the large debris stay in orbit?

In the story I'm writing, Earth gets destroyed and the few million humans that survive go to live on another Earth-like planet. Since the destruction of the planet, the humans do visit their star ...
11
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5answers
228 views

Alternative biological oxidizer

A concept I've encountered a few times is aliens with "vastly" different biology than terrestrial creatures. In this case, I'm interested in replacing the parts that use oxygen with something a bit ...
11
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7answers
489 views

How accountable would a person be for a crime committed when under alien influence?

In my story, my MC ends up hosting a known (and common) alien life form within their head to keep it alive by joining with another sentient being; as a result, both host and alien life form's ...
5
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1answer
87 views

What are the most likely effects of a human(oid) shape moving at Mach 50 to the surrounding environment?

For the purposes of my story, seen here someone who went through a similar procedure involving parallel dimensions (see here), becomes nearly indestructible , invulnerable to damage related to ...
4
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1answer
63 views

Restricted Directions for an Alcubierre Drive?

It's my understanding that if an Alcubierre drive were to be constructed, it would be able to function as a time machine because there would be certain paths through you could take to get to a ...
6
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7answers
1k views

Would a fully automated future society where everything is owned by the state still require taxes?

In this future society: All of Earth's resources can be accessed since the planet has one world government. All services and goods are owned, created, and distributed by the state. Every step of ...
2
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1answer
56 views

Could complex Precambrian life be possible?

I have a really good question. Could it be possible for complex life to have existed in the Precambrian? I’m aware that only the fossilized remains of bacteria have been discovered from that time ...
9
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7answers
2k views

With as much scientific accuracy as possible, how would chemicals injected in one's body be removed?

I am currently writing the world, setting and characters for a project of mine called the ORION Project - a story set in a dystopian America in the near future of 2050, where the government has taken ...
14
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3answers
1k views

Inducing a Solar Flare

Is there a way to induce a solar flare / coronal mass ejection (CME)? For instance, could a very tight glob of charged particles reconfigure the the Sun's corona leading to this type of event? Is ...
8
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3answers
182 views

Is this a reasonable way to enforce a ban on exotic weapons in an interstellar setting?

In the late 23rd century certain groups of mankind stared down the barrel of what may be possible in the future: cross galactic relativistic kill missile storms, gamma-ray Dyson Beams, Kugelblitz ...
1
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1answer
72 views

Is there a place in which a portal to another dimension could be hidden for five years, but then discovered by children? [closed]

I am writing a story in which two children, ages 12-14 years old, discover a portal to another dimension. The portal is roughly the size of an average door and has existed for five years prior to ...
11
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7answers
2k views

Black Hole Power Plant

I had this idea for my sci-fi book, there's not going to be a central galactic government, very contested little time, but I do wanna pursue this. The more shadowy inhabitants of the center of our ...
3
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2answers
103 views

Is there a way to reduce one's processing speed and perception of time?

My protagonist, a victim of a similar accident from my previous question, looks and acts the same on the outside, while being very different on the inside. In this question however, the main ...
5
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1answer
141 views

Would Alcubierre Drive Technology Allow for Artificial Event Horizons?

So, my understanding of how Alcubierre drives would theoretically work is not particularly complete. I know it involves compressing and expanding space, but I don't really have an intuitive grasp on ...
4
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2answers
162 views

Cylindrical radiators on spacecraft?

Having your radiators tactically protected from enemy fire by the armor shape of your space warship is nice, but having a regular one or double-sided radiators is still a vulnerability. Other concepts ...
8
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5answers
140 views

Most Likely Way to Protect Against Infectious Disease When Visiting Other Planets?

In various science fiction works, we see our plucky heroes beaming down to, or flying down to planets other than their own. They meet with the inhabitants there, be they human or otherwise and then ...
17
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23answers
3k views

A clothing material or other method to slow free-fall descent down walls

I'm working on a military sci-fi piece that involves a lot of exo-skeleton enhanced, well, parkour -- for lack of a better term -- and was wondering how to deal with descents from great heights. The ...
4
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3answers
285 views

Name of scientists that study sapient life

In a fantasy world I'm creating, one of the characters biologist who studies the other intelligent beings. Originally, I was going to name them a Xeno biologist. But that would implies that other ...
10
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1answer
127 views

Would sedation treat a seizure?

Medical-related question for my science-fiction story. My character is in a facility with modern BUT limited medical supplies. This character is suffering from seizures due to withdrawal from a ...
7
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4answers
1k views

Which map below would make more sense for a post-apocalyptic federal government to control if it wanted to liberate the country?

So I’m currently stuck between the peninsula-map and this one . Between the two, which would make more sense for the federal government to have control over 17 years after zombies and a virus both ...
31
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15answers
5k views

How to avoid FTL as a plot device?

Many SF stories feature faster-than-light travel as essentially a trope: Roddenberry has stated☡ that the Enterprise travels at the speed of plot. As an allegory of the south seas, or some throw-away ...
4
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2answers
88 views

Humanity's Response to Earth's Destruction? [closed]

In a science-fiction scenario set several hundred years in the future, most of humanity lives on various O'Neill-type space habitats, with maybe 1/4 to 1/3rd of the total human population living on ...
6
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3answers
921 views

Storing a human consciousness in a flash drive or similar piece of technology [closed]

In a dystopian trilogy I'm writing, I want to include a way to have the government store a person's ideas in a small piece of technology. Basically, the government has a test of strength after you ...
10
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10answers
928 views

Would shotguns be a practical weapon to arm certain members of an anti-zombie military unit?

Let’s get some backstory first: So I’ve recently came up with the idea of this combat support anti-zombie unit that’s dedicated towards fighting both human enemies and zombies (but mostly zombies (...
2
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2answers
74 views

What defensive technology for starships that would make them invulnerable? [closed]

Imagine a science fiction universe where... most races have a large amount of excess energy (i.e., fusion), AGI is very rare (not a consideration), interstellar travel is fairly standard via ...
7
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1answer
71 views

Lightsaber + Pogostick: How would deceleration work on an extendable “arm” of pure handwavium-energy?

In my setting, I'm trying to develop interesting movement/combat mechanics. I asked a related question about ways of slowing free-fall descents in an effort to develop exoskeleton-enhanced parkour. ...
3
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2answers
73 views

portal powered gun

Is a portal powered gun feasible? By portal powered I mean a projectile in dropped into one portal then goes through the portal into the other portal and is basically in freefall until the portal is ...
3
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5answers
157 views

reactor powered by explosives

Is it feasible to power a reactor using explosives with today's technology? Just using the heat of the explosion to turn a turbine is not the idea I am looking for. Keep the handwavium to a minimum. ...
4
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3answers
132 views

What adaptations would a tree need to survive an area with monthly fires?

Imagine a plain made of tall grass that sways in a gentle breeze. Everything is a deep green and there is a riot of life sprouting from the black ground. A few days later, the grasses turn brown and ...
2
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3answers
67 views

Adopting a new calendar for a multi-generational space journey [Generations Novel]

This is a mixed physics and conceptual exercise: In my story, we are aboard a multi-generational mission to resettle Humanity on a new planet in our galaxy. In the internal life of the ship ...
3
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3answers
148 views

What is the best form of powered vehicular flight within a McKendree habitat?

Background A McKendree cylinder is a spinning space habitat in the style of an O'Neill cylinder (below), but orders of magnitude larger. McKendree habitats are hundreds of kilometres in diameter and ...
0
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1answer
86 views

How long would a planet that losses its gravity take to break up?

In my setting, one of the fallouts due to interstellar war between civilisations is that a planet's gravity can be removed. This capability is part of the setting's hyperspace mechanics so the exact ...
1
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2answers
71 views

How many people could fit into a spaceship? [closed]

I’m writing a story where the world is coming to an end but I want it to sound as realistic as possible. The story takes place in 2024, not too far from now, and NASA sends out a crew in space to ...
7
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11answers
1k views

Military Tank for an Interstellar War

OK, I'm putting together a bunch of concepts for a interstellar military, one that sits between the Colonial Marines(Aliens) and the UNSC(Halo) in terms of technology and equipment. Lasers exist, but ...
8
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6answers
1k views

Space-based black hole weapon effects

For the fluff of my story one of the space-ships is equipped with what I hope is one of the biggest F-you weapons in ship-to-ship combat: a miniature black hole launcher. The launcher fires a ...
8
votes
5answers
191 views

Someone invents a Darkness Generator. What commercial applications would it have? [closed]

If someone invented a field manipulator that created a region through which no form of light could enter or pass through, effectively making a sphere of complete darkness, what sort of practical ...
3
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2answers
90 views

Aircrafts during Carrington Flare

TLDR: Sun is barraging Earth with frequent but unpredictable EMPs. I have an event in a story inspired by Carrington event set in near future, but the event duration already passed several years. ...
6
votes
3answers
170 views

What would happen if the mass of air around earth doubled?

So the mass of air around the earth has doubled. How it doubled isn't part of the question, but for the curious let's say a space station floating around earth processed all the nitrogen, oxygen, ...
3
votes
3answers
122 views

Weakspots of a Humanoid Iguana

Well. This is for a hard sci-fi fiction. The main protagonist, an Action Girl, has just met her sidekick: an humanoid Iguana (it makes sense and it is explained why Iguana-people people exist (has to ...
3
votes
6answers
2k views

What would happen if a small island nation became the strongest country in the world? [closed]

What could happen if, say, a small island off of the coast of Africa became overnight the most powerful country in the world? Can we predict what would happen? Would the world's superpowers be nice ...
0
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0answers
44 views

Warfare under lasting EMP field [duplicate]

I have world destroyed by a war, but still on certain level of technological advancement. The basic thesis is that due to technological advancement of warring nations the people came up with lasting ...
-1
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9answers
233 views

how to siege a small island nation that is the most powerful country in the world [closed]

this question is linked to this question The governments of the world have come together and decided to attack the small island nation after many failed attempts at stealing their technology. ...
2
votes
1answer
62 views

How would Aliens care for “endangered” humans? [closed]

Sci-fi novel. Book is told from the POV of a alien that works at the sanctuary. I don't think this is too important, but the aliens are sort of an anthro-snail that lives on the underground and ...
5
votes
3answers
195 views

Could one use electricity to divert bullets?

My main character is one with the gift to control electricity. Despite this obvious flaw in reasoning I try to keep it as scientifically accurate as possible so he cannot for example zap someone from ...
9
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18answers
4k views

Why would humans help an alien race to wage war on another?

The year is 2121, it has been only six months since we made contact with alien race A, we don't know very much about them except these things: They have many military spaceships made of technology ...
4
votes
5answers
625 views

How would one detect a black hole when there are no more light sources for it to refract?

The universe as we know it has ended. The concept of “natural” illumination ended when the last red dwarves and quasars died out. Now, only brown dwarves and blackholes dot the empty void that was ...
2
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0answers
74 views

Specific gravity change for my world

Ok, so this is a culmination of a few questions into one final question: am I doing this right? I am trying to figure out the gravitational difference from one end of a continent to another. There is ...
3
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2answers
81 views

How does gravity change between points within a spinning sphere? [duplicate]

In a world where life exists within a spinning sphere (so you are standing with your head toward the center), how would gravity change as you traveled? Would the rate of reduction be the same as you ...

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