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Questions tagged [post-apocalypse]

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

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4
votes
8answers
253 views

What disaster could wipe out civilisation worldwide, but allow for immediate rebuilding? What would be the side effects?

For a story I have, modern civilisation must be destroyed by a worldwide disaster. The objective is roughly something that: Could be man-made or aided (if not now, maybe in the future) Decimates, ...
2
votes
3answers
131 views

Would it be realistic for horses (whether naturally or from man) to make their way south to post apocalyptic New Orleans?

I want the majority of the population of New Orleans to ride on horseback instead of cars or gasoline-fueled land vehicles, but would it make sense for traders from the North to breed horses and bring ...
2
votes
3answers
134 views

What would be the most effective way for a parasitic alien lifeform to spread and grow on a post-apocalyptic Earth?

The background is that Earth is the victim of a massive comet strike, that wipes out a large portion of humanity (let's say 80-90%). Let's say that the comet was carrying an alien parasite that's a ...
8
votes
14answers
3k views

What is the most REALISTIC cause of a worldwide catastrophe/apocalypse in the near future? (next ~100 years) [closed]

Trying to figure out a post-apocalyptic scenario and looking to stay somewhat within the realm of possibility. Given how tech levels MIGHT be in a 50 years, what would you say would be the most likely ...
17
votes
15answers
9k views

Could an American state survive nuclear war?

In a timeline where the USSR didn't collapse and the Cold War escalated into a full-blown nuclear conflict sometime around the year 2100, the world is left utterly devastated. Both the Soviet Union (...
3
votes
5answers
154 views

What are some occupations that would exist in a small settlement in a post-apocalyptic world where going outside would not be a requirement?

Let's say it was a nuclear holocaust and billions died. The setting is the US so distances are large - people are very far spread apart. There are bigger settlements/cities but for our purposes we'll ...
-3
votes
1answer
75 views

How could a bioweapon designed for warfare go wrong and kill billions, and have additional side effects? [closed]

In the 22nd century, the major world powers are at each other's throats, fighting over dwindling resources and territories. One of the sides develops a biological weapon, let's say a virus, to be ...
2
votes
4answers
101 views

A plausible reason for an alien race to attack Earth and lead to a post-apocalyptic setting [closed]

My current story is post-apocalyptic, but instead of a virus/asteroid/zombies, I'm going for an alien-caused catastrophe. The setting is a future Earth affected by depleted resources, climate change ...
5
votes
2answers
148 views

How to safely construct deep underground harbors on a Snowball Earth?

A radical shift in the Earth's orbit has made the Earth much colder, with all the oceans freezing over, and the atmosphere liquifying and falling as rain. Humans live deep underground in areas of high ...
9
votes
7answers
202 views

What reason would a hidden, deep ocean society have to come up to the surface of a post-apocalyptic Earth and claim the land for themselves?

This is strictly Earth based. Would it be possible for a society to develop their own civilization underwater (nothing fantastical like Aquaman or whatever, but more of a grimy, hardscrabble existence ...
3
votes
2answers
126 views

Can You Protect Yourself From Spores With A Bandana?

Currently I'm working on a project where there's a zombie plague going on that's transmitted through spores (for reference, it's basically like the infection from The Last of Us). I was wondering if ...
3
votes
3answers
129 views

What could potentially lead to a AI/robot-driven post-apocalyptic world?

Let's say that it's the 23rd century. Climate change has gotten worse and resources are dwindling to dangerously low levels. Coastal cities have flooded, displacing hundreds of millions of people ...
2
votes
2answers
150 views

Is this a plausible way for an alien organism to unwittingly cause a mass apocalypse on Earth?

It's around the mid-2300s. Earth is, to put it simply, in trouble. Climate change has resulted in flooding of major coastal cities, displacing billions, which ultimately led to widespread conflict and ...
2
votes
1answer
137 views

How big would an asteroid have to be to destroy 99.9% of the human population? How would the remaining survive? [closed]

Let's say that a mega-asteroid is heading towards Earth. I want it to destroy essentially the entire population except maybe a few million people around the world. Now, I know that for an asteroid of ...
3
votes
1answer
107 views

Is there a way the earth could be permanently without electronics? [duplicate]

I want a post apocalyptic earth setting, many thousands of years in the future where civilization has no ability to create electronics. I looked into emps, gamma rays, and solar bursts but nothing ...
1
vote
3answers
129 views

Given the materials of a nuclear reactor, what is the most effective body of water to threaten pollution on?

I have a colony of semi-post-apocalyptic survivors who have created a deterrence scenario involving their access to both a nuclear reactor and some body(s) of water. Ideally, I'd like the water to be ...
2
votes
1answer
120 views

Rapidly Spreading Disease Timeline - Fungus Based

I've been working on this concept where a deadly new fungus starts spreading from two central locations. One in Europe and one outside of a major city in the United States. Over the course of 16 days, ...
-1
votes
1answer
127 views

How would falling buildings affect the earth?

So basically, humankind was t the pinnacle of technological greatness. We had a massive network of floating cities all around the globe. During "The Fall", all the massive spire-like buildings fell, ...
1
vote
3answers
107 views

How to protect these rhinos? [closed]

In my post-apocalyptic world, rhinos are used as beasts of burden. However, in order to survive harsh conditions and harsher predators, they need to have some sort of armor (natural or unnatural). ...
4
votes
4answers
231 views

Armor that is “good” but also weak in some way [closed]

In a setting where a people armed with guns and effective armor (of some sort), are engaged in a struggle against another people armed with primitive weapons and equivalent armor. By that, it's ...
4
votes
2answers
191 views

Wich knowledge would persevere in this post-apocalyptic world?

First of all: sorry for my english. I'm writing a post-apocalyptic book and I got some simple questions before I can finish shapping its world. In my fiction, the world fell apart (doesn't matter ...
5
votes
6answers
257 views

Indispensable tools for scavenging

In my world the „apocalypse“ dates back several decades and most people have settled down, the scavenging is left to professional adventurers who roam the less accessible and more dangerous ruins of a ...
1
vote
3answers
105 views

How would someone establish a dictatorship during the zombie-apocalypse [closed]

We're talking about a big group of ~3000 (possibly more) survivors around 5 years after the downfall. 1% of humanity is still alive, 59% is zombified (classic slow zombies, TWD-like), the remaining 40%...
0
votes
2answers
150 views

Major empires have been destroyed. Results in numerous independent cities [closed]

I'm in the process of building a world for a D&D 5th ed campaign which is due to kick off in the new year and I'm looking for some feedback on a time line, political climate, etc. for the world ...
3
votes
2answers
175 views

Possibile explanation for a [somewhat] realistic floating continent scenario?

I'm writing a story that takes place in a world where people live on continent-sized chunks of earth (basically the size of tectonic plates) suspended in the air, left over from some cataclysmic event....
5
votes
1answer
424 views

Post-apocalyptic aircraft

I have a post-apocalyptic scenario, set in the ruins of an American metropolis with flooded streets. Boats are used most of the time, but aircrafts have advantages, for battle or if you have to get on ...
5
votes
0answers
92 views

What are some issues I can expect in creating a self-sufficient, post-apocalyptic underground society? [closed]

(Please bear in mind I am quite new here, and I have in fact created this account just now. I've tried my best to follow all the rules I've read browsing around. I do realize this is quite a broad ...
5
votes
1answer
177 views

A practical post apocalypse bullet farm for the survivor on a budget [closed]

In a post apocalyptic society (let's say northern Arizona or southern Colorado) or just outside of a city what would be Needed to practically 'farm' (produce) modern bullets? The idea is to be able to ...
5
votes
3answers
423 views

What is realistic quality of computer blueprints quickly backed up before apocalypse and their impact on future design?

Incoming generic apocalypse, a bunch of people with low budget tries to quickly download publicly accessible blueprints, so in a few decades or centuries someone would be able produce again computer ...
39
votes
14answers
8k views

Security measures that could plausibly last 150+ years?

So, the world experienced an apocalypse about 150 years ago. Sad times. Me and a couple buddies are the the salvaging business, and hello, recently we found a jackpot, an untouched military base. When ...
5
votes
2answers
180 views

Post nuclear apocalypse fauna

The chicxulub asteroid impact caused climate change, and the climate change caused a mass extinction. But many land-based animal groups survived, crocodillians, lizards, snakes, turtles, frogs, ...
0
votes
1answer
186 views

How long would it take for society to rebuild itself? [closed]

Humanity creates a new technology that discovers these strange crystals (on Earth) that produce a little bit of electricity. There's now a race for mining them, and the whole world is going crazy over ...
1
vote
6answers
320 views

Best way to recolonize Earth after nuclear war?

Humans of the past, I have some very bad news. In the year 2062, nuclear war broke out and destroyed much of the Earth. But luckily, in America, we were ready. We knew war was inevitable, so we built ...
6
votes
4answers
207 views

How can a pocket of technologically advanced humans survive the apocalypse?

In a post-apocalyptic novel I'm writing, I plan to follow up with a sequel wherein the main characters are trapped in a hidden city in North America called Eden that has electricity, underground ...
2
votes
3answers
143 views

What are the chances of national superpower declaring war and launching nukes at each other over remaining petroleum reserves? [closed]

I am a fan of the movie Mad Max: Fury Road. In the beginning of the movie, people speak of "Oil Wars" and people "Killing for Guzzolene (Gasoline)". But what are the odds of that happening? And could ...
32
votes
9answers
5k views

How useful would a hydroelectric power plant be in the post-apocalypse world?

The details don't matter, just that a large fraction of people have died (let's say 90%) and society has completely collapsed. It's only a year or two later, and people have started to gather ...
10
votes
6answers
298 views

What type of chemical catastrophic event might reduce the bioavailability of iron?

I am imagining a world where an astronomical event occurs, like Earth collides with a comet, and humanity is all but wiped out. In their desperate attempt to recover, humans enter a form of stone age. ...
10
votes
8answers
626 views

How to play music during post apocalypse

So it's 3 years after the apocalypse, there are 2 characters that are living in the wild, I want them to be able to listen to music (any type), but they don't have any electric power. They need to be ...
2
votes
2answers
177 views

What to do with plastic while living in the wild?

Two people are living in a forest near a recently evacuated city, and they are getting their food and other supplies from there. They turn any natural materials into compost, but what do they do with ...
3
votes
0answers
71 views

Useable life span of different types of plastic and polymer [closed]

OK folks - here's one for you petrochemical types: World is set 200 years post an apocalypse that wipes the global population back to about 280 million (the population of the world circa 1000AD). ...
40
votes
14answers
10k views

How many people are necessary to maintain modern civilisation?

Modern Earth; a series of connected events (natural disasters, mass migration, drug-resistant pandemic, collapse in biodiversity, armed conflict) have led to a significant reduction in human ...
3
votes
2answers
314 views

What would be left of a modern city 50,000 years from now?

I've seen questions here about what cities would be like after being abandoned for a thousand years, but what would be left after timescales of tens of thousands of years? Ancient settlements like ...
16
votes
5answers
3k views

Is it possible for underground bunkers on different continents to be connected?

In a scenario I'm thinking of, the Earth has been nuked bare and a few remnants of humanity are surviving in their underground bunkers. Let's say there is one in North America, one in Central American,...
1
vote
2answers
233 views

How would a plan to bootstrap civilization after a full collapse look like? [closed]

Provided civilization collapses, as it probably will sooner or later, how could a plan to bootstrap it after look like? A satellite system that provides information at the right moment (after cities ...
8
votes
4answers
2k views

Most valuable information/technology for rebuilding after the apocalypse?

I’m a wealthy billionaire dying of terminal illness. The world I’m currently living in is clearly on the brink of a world ending nuclear war. I predict that the world ends next month. I am putting ...
3
votes
10answers
579 views

Logical justification to wear black leather in the Post-Apot

So, let’s say we have a character like this: Living in a place like this: In many post-apocalyptic media, leather jackets and blue jeans are the main form of attire for characters, even ones living ...
4
votes
2answers
163 views

How could one realistically incorporate robots into a post-apocalyptic, 1930s setting?

Trying to flesh-out a post-apocalyptic setting where humanity wiped themselves out during the late 1920s, early 1930s; The survivors have reverted to primitive practices while still having access to ...
2
votes
2answers
165 views

How to shrink the human population? [closed]

So I'm writing a post apocalyptic story. Basically, a war happens and after a solar storm there's very few human survivors on Earth. This world has "magic" crystals, rocks that emanate energy. The ...
8
votes
4answers
628 views

Is a post-climate apocalypse city in which many or most insects have disappeared realistic?

Supposing climate change continues at its current "worst case" projected rates, would we see a noticeable reduction in insects down the line? I am wondering if it makes sense to have a character who ...
8
votes
7answers
520 views

Can a firearm stay functional in a hidden cache in a jungle in Vietnam or in Siberia for 700 years?

I'm creating a world several hundred years after an apocalypse, but am struggling to get the decay of our current civilization right. The world in short: Earth was hit by an apocalypse in the 2060 (...