Questions tagged [post-apocalypse]

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

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23
votes
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 ...
23
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11answers
5k views

The World's in Perpetual Winter. How Long Can Humanity Survive?

A Little Background March came and went, but the snow continues to fall on earth, even in Sudan and Brazil. What was once thought of as a miracle of Christmas has begun to cause problems. Winter came ...
22
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10answers
6k views

Moving stealthy in an hostile enviroment

I'm in the middle of sketching out a new story, settled a post-apocalyptic version of our present. The main feature of this enviroment would be blind, mindless, aggressive and contagious versions of ...
21
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7answers
6k views

Can capybaras spread to Louisiana from Venezuela and populate it in less than 1000 years?

Some hundreds of years ago, all humanity was removed from the Americas. In fact, most humans are gone from the world altogether. In the intervening time, nature has overrun the formerly human ...
21
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6answers
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How good are vets as doctors?

I am toying with a scenario in a RPG where the catastrophe has happen (financial desaster, meteorite hit whatever) which has wiped out large parts of humanity and caused a complete breakdown of ...
21
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11answers
5k views

How many major cities would need to be destroyed by nuclear strikes to completely disable the world economy?

Post-apocalyptic scenario: What would be the minimum number of cities (financial/transport hubs, e.g. New York, London, Beijing etc) that need to be taken out by nuclear weapons or other means which ...
20
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9answers
8k views

All of the freshwater on Earth has suddenly vanished - would humanity survive? [closed]

Consider a scenario where all freshwater on Earth suddenly disappeared... Would the planet remain habitable? Definition of water removed: Everything in this chart under the category 'freshwater', ...
20
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10answers
4k views

How long would a single metropolis last if all other signs of human civilization vanish?

One morning, suddenly, all humans and any human-crafted things (roads, buildings, technologies ...) vanish, with the only exception of one single city and its inhabitants. How long can the metropolis ...
20
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11answers
6k views

How would purely underground settlements find and trade with each other?

The world's been hit with an apocalyptic event, and humans are forced underground for survival inside large bunkers suited to house a couple thousand people. The bunkers are well supplied with modern ...
20
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13answers
4k views

What non-intuitive modern items would be useful in a medieval-ish world?

The world is similar to that in Prince of Thorns: namely, so far in the future that civilization has essentially reset, and is back to a medieval level of technology and culture. However, there are ...
20
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16answers
3k views

What would cause the land to “rise” in a future, post-apocalyptic world?

We are in the future in northern North America (U.S or Canada). The land has "risen" (or more accurately, filled in) with several hundred feet of earth and sand and silt so that a modern city will ...
20
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6answers
2k views

Time no longer passes except near intelligent creatures, how does the world continue?

Time stops nearly everywhere, time only continues in a area around creatures of a certain intelligence. The worlds population is suddenly thrown into darkness as time ceases throughout the universe ...
19
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4answers
2k views

In a post-apocalypse world, with no power and few survivors, would Satnav still work?

Assuming: there was no power, so there was no web/internet you had a mobile phone (one of the smart ones, not a basic one) powered by solar the phone had maps downloaded on to its memory card (so you ...
19
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6answers
5k views

What would iron-age tools and weapons be like if they were redesigned with modern metallurgy?

I am a skilled metallurgist and engineer and, like most well-educated people, I'm terrified by the possibility of an impending apocalypse. Let's not worry too much about what form it takes. Nuclear, ...
18
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9answers
5k views

Is a modern dark age possible?

For context, I'm considering a story similar to the Netfilx TV show The 100 in which humanity has to recolonize the Earth following a major extinction-level event. I'm aiming for the society they ...
18
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6answers
4k views

How long can I keep my truck oiled after the Apocalypse?

Background The Apocalypse came on Tuesday, and no one was ready. For us soft city folk, survival was mostly a matter of luck. If you fell in with the right group of people with the right skills and ...
18
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6answers
3k views

So we've survived the apocalypse. What's next?

The year is 2032. The location, rural midwest North America. A decade ago, a plague wiped out almost every living human. There weren't even enough survivors to bury the dead. Secondary plagues rose ...
18
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9answers
3k views

What would be a realistic, competent response from the rest of the world if Britain were wiped out by a zombie virus?

I am referring to the situation described at the start of the movie 28 Weeks Later, where Britain had been wiped out by a zombie virus, but the rest of the world was (seemingly) fine. What would be a ...
17
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7answers
6k views

What dog breeds survive the apocalypse for generations?

There was an apocalypse. Humans left cities in swathes, leaving their canine companions behind in the ruined cities. My question is, which types of dogs survive? Criteria -The dogs are going to be ...
17
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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 (...
17
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7answers
2k views

Currencies when known encryption systems become obsolete

Current Bank security is based on encryption, once quantum computing or another system to break security is invented all banks are unable to securely transfer money digitally. Assuming banks are ...
17
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13answers
4k views

Would concrete foundations and driveways be useful to a post-catastrophe survival group?

I had some interesting thoughts while walking my dog this morning. Let's assume there has been some catastrophic event that leaves the world habitable, but kills off a large amount of people (99% of ...
17
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5answers
2k views

What's the most convenient time of year in the USA to end the world?

This is a question I've been wondering about for a while. If I wanted to give my characters the best possible chance of surviving my story's Armageddon, what time of year should I schedule it for? ...
17
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5answers
6k views

Could the entire world have been destroyed by the existing nuclear arsenal in 1962?

Considering the nuclear arsenal that existed in 1962 during the Cuban Missile Crisis, could it have destroyed the entire world, following the events below? Edited question a bit: Considering the ...
17
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5answers
1k views

Would solar cells last?

Post-apocalypse how well would photo-voltaic solar cells hold up? They are solid state so I expect they would do okay for a while, but would they remain functional for 100+ years. I know that dust ...
17
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4answers
2k views

What proof could Ragnarök leave behind?

Ragnarök is the Norse rendition of the apocalypse. A major event during this apocalypse is Fernir devouring the sun. If we assume that the sun and all of its influence disappear entirely for 3 days, ...
17
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5answers
17k views

How long can a power plant continue to generate electricity without maintenance by people?

The situation is as follows: there is a city with different districts, each provided with electric power from a different power plant: Thermal power plant nuclear power plant Hydroelectric power ...
16
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26answers
7k views

A catastrophe that wipes out the current civilization but does not make humanity go extinct [closed]

I'm looking for a catastrophe on a scale that can wipe out civilization as we know it, but humanity will not go extinct (i.e. humanity will start to thrive again after some time has passed, but should ...
16
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14answers
4k views

How to make vehicular combat viable in a Post Apocalyptic world?

I want to create a Mad-Max-esque post apocalyptic setting. Unfortunately after a bit of looking into this, there is one massive issue with the idea of lots of maniacs tearing across the barren ...
16
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5answers
4k 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,...
16
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4answers
2k views

Lifespan of abandoned buildings

I'm exploring a post-apocalyptic world and want to build a realistic scenario for the condition of abandoned ruins. What would you estimate to be the lifespan of the following building types? And by ...
15
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17answers
5k views

How to justify the absence of weapons

Think, a post apocalyptic world ravaged by nuclear wars. Most of the population has been eliminated. A small amount, but still a substantial number, a million or so people survive, residing in special ...
14
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8answers
4k views

What could post-apocalypse humans do about dangerous, genetically augmented dogs?

So, out in Colorado, in the city of Den (population 1600), there is a huge problem. Before the war, a geneticist lab was trying to create police dogs that were stronger and superior to normal dogs. ...
14
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15answers
5k views

What types of tactics would humans develop against creatures that are hurt by light in a literal dark post-apocalyptic world?

In a post-apocalyptic world, monster-like creatures have taken over most of the planet, and twenty years later, only a few clusters of humanity still remain with somewhat functioning governments, and ...
14
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12answers
3k views

Little known, relatively unlikely, but scientifically plausible, apocalyptic (or near apocalyptic) events [closed]

We know the common tropes for an apocalyptic event: meteor/asteroid hits earth; crazy infectious virus/bacteria; AI takes over; we nuke ourselves; climate change; hostile aliens. But what are some ...
14
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11answers
2k views

Post-apocalypse currency

It is a post apocalyptic world, all government systems have broken down, approx 95% of the worlds population is gone and the few survivors left are beginning to trade with each other. I need a ...
14
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9answers
2k views

What will remain from an eco-friendly civilization after 10,000 years?

Let us assume that about 10,000 years ago there was another human civilization, that was quite similar to humanity. Physically they are humans. The state of development of this civilization is quite ...
14
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12answers
4k views

Post apocalypse contraception

In a post-industrial collapse scenario, what would be the most effective methods for contraception? Situation is a small scale civilisation with limited access to industrial materials and tooling but ...
14
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7answers
2k views

What would be the development of the most valuable, irreplaceable food trade goods in a post-apocalyptic world?

So imagine any typical post-apocalyptic world, recently cast into their misfortune. A very large percentage of humanity has been killed, leaving a very large stock of property to be looted. I suspect ...
14
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4answers
2k views

Besides continental drift, what could affect the map of Earth hundreds of millions of years from now?

I'm working on a fantasy/sci-fi story set on Earth but in the far future. Hundreds of millions of years from now, after the rise and fall of many civilisations, the world has gone back to a medieval-...
14
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3answers
38k views

How long after a global nuclear disaster would the world become habitable by humans again?

So at some point in the future, humans have small colonies on the Moon, on Mars and many space stations in orbit of all the planets in the solar system. Everything is going great until one day ...
14
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3answers
408 views

Train-World: Storing RHUs for decades to centuries

...no, I mean, supposedly, I believe there is more about it than mere kans on our part. Installations like this one are found all along the spoorwegs, and yes, around some you should tread lightly. ...
13
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24answers
4k views

If fairies don't need as much food, water or space, why wouldn't they overwhelm humans in the post-apocalypse? [closed]

I'm writing a story about the aftermath and consequences of a runic magic system being mysteriously introduced to the human race by an unknown entity. Every week a new rune is given to everyone on ...
13
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14answers
9k views

Why would post-apocalyptic men be twice as large as women?

I'm creating a post-apocalyptic world several centuries into the future. After the nuclear war whatever is left of humanity has regressed into the dark age. Society: The offspring of those few who ...
13
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16answers
6k views

How to knock down humanity?

I'm looking for the perfect kind of apocalypse that not only can kill great parts of the people on Earth leaving the survivors spread in little primitive groups across the world ,but can also avoid ...
13
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6answers
4k views

Could a group of survivors realistically find useable ammunition and/or weapons in a post-apocalyptic world?

I'm trying to figure out if it would be possible for a group of people living in the wilds of a post-apocalypse USA could find some useable weapons and/or ammunition. The post-apocalypse in question ...
13
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7answers
2k views

Plausible Components for Zombie Immunization?

Thank you everyone. This was certainly not a question with a simple solution, and was far more complicated than I could've imagined. All of you provided so many amazing, insightful responses, ...
13
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2answers
2k views

A post-apocalyptic industrial revolution

It's been a couple of thousand years since humanity bombed itself back to the stone age. Most places are now safe to travel through but there's barely any sign of the old cities, new ones have sprung ...
13
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6answers
2k views

I wiped out most of the human race - now I want to create a more peaceful and equal society

A while back I decided to create a zombie virus to wipe out most of the human race. That was fun and all, but now I'm faced with another problem - setting up a society. I originally wiped out nearly ...
13
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7answers
18k views

How would lack of sunlight affect a human population?

Other than photosynthesis being an issue, if the Earth's surface became inhospitable and humans were forced to live underground, what biological changes would they be expected to go through to adapt ...

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