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Questions tagged [post-apocalypse]

For questions dealing with events taking place after a catastrophic event.

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12 votes
3 answers
3k views

Three kilometers (~2 miles high) tsunamis go around the Earth - what kinds of ruins are left?

I am (still) writing some fiction about the solar system being rearranged, with the Earth losing the Moon. But before she goes, I am having her do a close flyby. My story is actually happening ...
The Square-Cube Law's user avatar
1 vote
1 answer
81 views

An apocalypse leads remnants of humanity to spread out. Would a "peaceful military force" be a likely force for rebuilding a nation and its economy? [closed]

So, there are plenty of questions that handle rebuilding, but I'm concerned with one possibility. As you'll probably notice, a lot of the world outside of this faction is inspired by the early wild ...
Walt's user avatar
  • 124
4 votes
4 answers
833 views

What are some plausible means for increasing the atmospheric pressure on a post-apocalyptic earth?

I want my post-apocalyptic science-fantasy setting to be at least plausible enough for people to suspend their disbelief comfortably, rather than having to ignore obvious physical fallacies. I want ...
Chromatic Realms's user avatar
20 votes
17 answers
7k views

What is the safest way to camp in a zombie apocalypse?

A group of 25 survivors, consisting of engineers, MacGgyvers, and tinkerers, have constructed around ten slow-moving motorized wagons (resembling wagons but with engines instead of horses) carrying ...
sigsegv's user avatar
  • 497
15 votes
5 answers
2k views

Would an industrial level society be able to visually identify orbital debris from a destroyed mega structure?

My world is a very distant post apocalyptic society on earth after the destruction of some orbital mega structure around the planet - like an orbital ring or something. The current civilization(s) on ...
DisasterButton's user avatar
3 votes
5 answers
2k views

Post Apocalyptic Military

Quick background, Cthulhu awakens. It feeds on valuable opponents so between delusions of defeating Him by attacking Him, and Him hunting down survivors Himself, when He leaves Earth ALL military ...
FringesExplorer's user avatar
12 votes
4 answers
3k views

How long would today's books last in a post-apocalyptic setting?

In my setting, the modern world ended catastrophically 500-ish years ago in-setting, which would be about 2150 as the event date. So the "present" is 2650 ish. Judging by the research I've ...
Chromatic Realms's user avatar
4 votes
3 answers
808 views

How long can nuclear power plants last without the power grid and humanity? [duplicate]

Here is the question: "Following an immediate, irreversible collapse of the power grid and the medium-term (few decades) disappearance of humanity, would would happen to nuclear power plants?&...
Baudshaw's user avatar
18 votes
25 answers
5k views

Why would you build slow moving vehicles instead of faster ones?

It's the zombie apocalypse. A group of survivors on the east coast learn about a safe settlement in the west. However, they must travel through the zombie-infested heart of the continent. The inner ...
sigsegv's user avatar
  • 497
1 vote
1 answer
172 views

How long would a post-apocalyptic space colony take to recover modern levels of technology?

I'm currently working on a little project. The scenario I'm asking about here is not a "lost colony" type scenario, but instead where a series of space colonies (primarily, but not ...
TerranGames's user avatar
1 vote
1 answer
132 views

How long would a stock of nuclear warheads and their delivery systems remain viable? [duplicate]

My world is recovering from a period of chaos lasting around 50 years, during which time many things were not maintained, or only sporadically maintained. My story takes place in (what used to be) a ...
Batperson's user avatar
  • 421
4 votes
2 answers
223 views

Living under a permanent dark

This is the 3. Part of a series of questions. In which I asked how a permanent dark sky would effect flora and fauna. Unlike the other two this question is not going to focus on nature. Rather how ...
Fallenspacerock's user avatar
8 votes
1 answer
169 views

How long would a crater/mare on the Moon be glowing red and visible from earth?

As part of the backstory of my setting, a wormhole base on the Moon catastrophically failed around 500 years ago. The energy released was enough to melt a huge portion (edit: approximately size of ...
Chromatic Realms's user avatar
-1 votes
1 answer
58 views

Surface polution post-apocalytic world [closed]

I am writing a book about a post-apocalyptic world. The surface is completely destroyed and mankind survived underground. Soon, great technological cities were built, but they still rely on items ...
AntonyMN's user avatar
  • 145
4 votes
3 answers
884 views

What fauna can survive a permanently dark sky?

A few days ago I asked this question. In it asked about flora that could survive under a permanently dark sky. In this regard this regard this question is quite similar. Though now the question is ...
Fallenspacerock's user avatar
6 votes
6 answers
502 views

What flora can survive a permanently dark sky?

The Scenario After an apocalyptic events my world was permanently covered in dark clouds. They seem to have unique property of absorbing most of all light. Even worse is that these clouds stick around ...
Fallenspacerock's user avatar
2 votes
10 answers
321 views

Why do the police forces in my world use antiquated weaponry?

Here's a little background: My science-fantasy world has been devastated by monster attacks coming from various enormous pits inside the planet. The first led to a total collapse of civilization and ...
forgotenm's user avatar
  • 1,054
4 votes
1 answer
151 views

The rebirth of a language from a group of mute people

I am toying around with a corner case of a well explored scenario: post apocalyptic world human re-population. The added complication this time is that the group of survivors, by a sheer strike of ...
L.Dutch's user avatar
  • 292k
7 votes
3 answers
432 views

Highly resistant House Plant

The Premise My world takes place about 25 years after an magical apocalyptic event killed most life in my setting. It also left the sky permanently dark which is caused by thick magical clouds. I know ...
Fallenspacerock's user avatar
17 votes
19 answers
5k views

How can I make so that not much useful scientific knowledge or artifacts remain of an ancient, advanced civilization?

My setting: The world is currently at the technological stage of about late 1970s. There are computers, including early personal computers, television, and all. The world seems to be developing at a ...
Anixx's user avatar
  • 5,360
12 votes
6 answers
6k views

How long will global internet connectivity remain if all people are incapacitated?

Suppose all people are incapacitated or disappear: how long will the global internet connectivity remain working? Will re-routing via still functional paths occur automatically, or does it require ...
Anixx's user avatar
  • 5,360
5 votes
6 answers
507 views

Global warming in an apocalyptic future?

In my world, there's a global apocalypse that wipes out humanity, but I'm wondering how global warming might continue even with the lack of additional greenhouse gases. If emissions suddenly stopped, ...
Papa Solen'ya's user avatar
7 votes
2 answers
1k views

How might civilization develop if hunter-gatherers and/or early agrarian civilizations had access to highly advanced technology? [closed]

Imagine a setting where, across numerous worlds: people without memory, identity or culture wake up surrounded by the ruins and technologies of a highly advanced spacefaring civilization that ...
Inanis343's user avatar
  • 511
12 votes
4 answers
2k views

Hazard symbols for exclusion zones

This is a very niche question, but I'm also only asking it because i don't find any answers to it anywhere else. In my current setting, the world's population has drastically dwindled during World War ...
NimRad's user avatar
  • 1,222
-1 votes
2 answers
148 views

What effects to expect from 100+ generations living subterranean with constant low doses of radiation

Back story is that humans settled a foreign planet and the star began to die so humans went subterranean until the worst of the star death cycle passed (yes I know this process theoretically takes ...
Cetus Koi's user avatar
2 votes
1 answer
195 views

How quickly could a bronze age society be reborn after regressing due to a mass extinction and ice age?

In my setting's history a rome analogue has somehow managed to conquer the entirety of a eurasia sized continent. An advanced bronze age society with significant understanding of magic. As a cooling ...
Spoon's user avatar
  • 163
1 vote
0 answers
124 views

Is there a book that I could buy that has detailed technical instructions for jump-starting technology in post apocalypse, post industrial future [closed]

So, I'm not rich so construction of an underground bunker and stockpiling it with food and medical supplies is a pipe dream (love that this coloquialism refers to opi-smoke dreams). So I've been ...
james unna's user avatar
0 votes
6 answers
3k views

How much steel could be recovered from cities a few hundred years after a nuclear apocalypse? [duplicate]

Roughly 120 years after a nuclear apocalypse, an external group that didn't experience the apocalypse (the why of it isn't going to be explained here) came to the land that did, to pull apart their ...
OT-64 SKOT's user avatar
  • 4,751
-1 votes
1 answer
203 views

What would our world look like if it only got 160 days of sun in a year?

A while ago, I encountered a YouTube and Spotify playlist called "songs for an empty world" by LAIN. The description was especially interesting to me: Only 250,000 people left. 160 days of ...
user avatar
8 votes
9 answers
4k views

Why might there be no communication between continents for centuries after a civilization collapse?

Centuries ago, the world was locked in a three-way cold war scenario between three large empires with nukes. The tech level was roughly equivalent to 2000's technology in our world. Runaway climate ...
Cassiterite's user avatar
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, ...
Saxionkin's user avatar
  • 443
0 votes
2 answers
108 views

Can an advanced android interface with nature to repair themselves? [closed]

Context: This takes place in a soft science, post apocalyptic world. The actual time is a WIP, but technology would be advanced, post nuclear age but not quite interstellar travel. The world itself ...
Saxionkin's user avatar
  • 443
-4 votes
3 answers
181 views

What are the best blackmail and extortion paths for haberdashers in post-apocalyptic Victorian cities? [closed]

In a Victorian city on an apocalyptic world, a haberdasher has gained social power. All things pertaining to the Victorian life circa 1880 would be proper here, save for the equine industry. He has ...
Vogon Poet's user avatar
  • 8,179
16 votes
14 answers
5k views

How long would it take for a civilization to forget how it began?

In my scenario, all of current humanity on Earth and space is teleported to a whole new planet in a different universe with new laws of physics that mostly govern a magic system based on energy ...
GrimmReaper18B's user avatar
0 votes
2 answers
483 views

What traits would a human have in an oxygen rich environment?

I'm having trouble finding research surrounding this question. If humans evolved in a more oxygen-rich environment, what would their evolved traits be? For context: I'm creating a post-apocalyptic ...
Saxionkin's user avatar
  • 443
3 votes
5 answers
313 views

How bad would it be, if aliens wiped out high-end processor production? [closed]

Let's imagine Contact with some space-faring civilization tomorrow. We will meet them, "shake their many appendages, <...>, and even attempt diplomacy." The result is that in a few ...
FrogOfJuly's user avatar
  • 1,138
6 votes
3 answers
4k views

What wild mammals could survive a nuclear winter? [closed]

I'm writing a story that takes place after a nuclear winter that lasts for at least 25 years, and which caused much of the surviving population to become hunter-gatherers as a result of crop failure ...
Anders Gustafson's user avatar
0 votes
2 answers
277 views

How Would Crypto Networks Function in a Post-Apocalyptic World?

In a world where civilization has collapsed, how would decentralized networks like blockchain continue to operate? Would they still be able to provide services such as currency, contracts, and record ...
Uk rain troll's user avatar
1 vote
0 answers
34 views

Books for rebulding after the apocalypse [duplicate]

In my story humans, as of 2020s are faced with a cataclism that will go over the planet for several weeks and then leave it. A group of them, a couple of hundred random NYC habitants, is planning hide ...
SBF's user avatar
  • 229
11 votes
11 answers
4k views

Post-apocalyptic automotive fuel for a cold world?

I am writing a scifi story in which Earth's orbit has been altered, making the planet generally colder. This has made the northern hemisphere, as well as most of the southern, practically inhospitable....
The Square-Cube Law's user avatar
-2 votes
2 answers
195 views

What's a good way to give a character a realistic edge in a post-apocalypse setting? [closed]

What's a realistic way to give a protagonist character a fighting edge against enemies with great numerical superiority, without making them superheroes? What's something believable?
Yun Kirk Ackerman's user avatar
2 votes
2 answers
334 views

How does the world rebuild after an apocalypse? [closed]

140 years ago, the world was nearly torn apart as rifts to other realms sprung up across the continent. Former societies of elves, humans, dwarves, halflings, and more were devastated, and now new ...
Merripen's user avatar
2 votes
2 answers
523 views

Radios and walkie-talkie [closed]

In a solar punk if there are radios and walkie talkies being used regularly by a very poor post-apocalyptic society...does it sound believable that there are no airplanes and flying vehicles nor cars, ...
Writer-Writer's user avatar
-4 votes
2 answers
193 views

How much would a population be able to recover after half of them being killed? [closed]

In a medieval setting, a kingdom had about 50% percent of its population killed (this includes all ages). About 50% of infrastructure was in need of repair, and a separate 25% of infrastructure needed ...
lost_not_found's user avatar
12 votes
11 answers
5k views

Why would humans carry around live plants in a post-apocalyptic world?

A while ago I saw this brilliant 3d render of a post-apocalyptic world in which a human carries around a live plant in a capsule, connected to the plant via a respirator: (credit: Stephen Grimm via ...
zinfandel's user avatar
  • 229
3 votes
5 answers
270 views

How would remnant tech impact the formation of a tribal "big man" government?

Big man refers to a phenomenon that happens in especially small communities when a population falls below a certain population (approximately Dunbar's Number). You see it a lot in isolated tribal ...
Nosajimiki's user avatar
  • 97.8k
25 votes
22 answers
7k views

Ideal Apocalypse for Raising Well Adjusted Children

I have a setting I'm trying to get started on where the vast majority of mankind has been killed off, and all that is left is a speckling of small villages pieced together from the wreckage of society....
Nosajimiki's user avatar
  • 97.8k
2 votes
3 answers
577 views

How long would it take for Mesoamerica to recover, if at all, had colonization never happened? [closed]

So, to give of context, the setting I am writing is very out-there. But I still wanna take a realistic approach to demographics and similar issues. In the setting, a very fantastical apocalyptic event ...
Thatmariohead's user avatar
4 votes
4 answers
691 views

Feasibility of the distributed prison [closed]

Sometimes an idea comes to you and resonates for what it represents and how it shapes the story rather than how logical or technologically inevitable it might seem. That's the current status of the ...
futurebird's user avatar
  • 1,029
0 votes
2 answers
501 views

How much and how powerful would a "phlebotinium" bomb launched from orbit be to create an artificial sea? [closed]

I am writing a setting for an unspecified goal, whether I will end up doing a video game or a novel out of it all, but I am still working on the worldbuilding aspect. Lore-introduction, (you can skip ...
Just Kherty's user avatar

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