Questions tagged [post-apocalypse]

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

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1answer
883 views

How Does Steel React to Ice?

In this alternate scenario, for six to ten years, latitudes as far down south as Chicago experience eight to nine months where the daily high barely reaches zero Fahrenheit (−18 degrees Celsius)....
6
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3answers
563 views

How long could we preserve technology post-apocalypse?

If we specifically engineered a doomsday bunker to preserve technology and weaponry, what could we preserve and how long could we make it last? I'm looking at a timeline of circa 300 years. You can ...
5
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6answers
6k views

What would a post-nuclear-war Earth actually look like? [closed]

Many popular depictions of the aftermath of a nuclear war show the entire Earth as a sort of desert - hot, irradiated, cratered, with deformed animals scrounging around and generally quite bleak. This ...
5
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11answers
704 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 ...
5
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4answers
647 views

Mobile Post-Apocalypse Shelter

So there was a nuclear apocalypse. It doesn't really matter why. Most people now, about a few decades or so later, are scavengers. They take pre-nukes things and use them for shelter and utilities. ...
5
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3answers
448 views

Designing the fallout shelter: Exits

Watching TV series The 100 reminded me of one huge flaw of Fallout shelters. (Spoiler ahead, I think?) Most of the bunkers depicted in popular works have one huge design flaw: There is only one ...
5
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2answers
2k views

Could These Ingredients Make Concrete Better Than Before?

In the history of human construction, there are two kinds of concrete: Roman and Portland cement. Roman concrete was so durable that it'd helped the buildings of Rome survive for 2,000 years. ...
5
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5answers
880 views

Preparing for Absolute Certainty of a Nuclear War

October 28, 1962. The Cuban Missile Crisis has just concluded. John F. Kennedy gathers his top experts across fields to discuss the escalating threat of total nuclear annihilation. After two weeks of ...
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8answers
1k views

Third World Countries societies created and populated only by young people

Related, and in continuation to How would societies be if created and populated only by young people? In the previous question I asked about society as it would exist in western/first world countries ...
5
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3answers
433 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 ...
5
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4answers
6k views

How long would guns stored in oil be operable?

Similar to this question but with some specifics. In the TV show The 100, the kids find a cache of assault rifles in the equivalent of a munitions dump. 97 years have passed since the latest ...
5
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9answers
777 views

What goods would be traded on long distances in post-apocalyptic world? [closed]

Other question concentrate on most valuable goods but most of good listed would involve local trade - for example alcohol can be easily produced with modern knowledge anywhere (see Prohibition in the ...
5
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2answers
505 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
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3answers
1k views

Post-Apocalyptic Earth. Escape from Warehouse Moon

In its heyday Earth was a great interplanetary trading post on account of its low gravity moon which was used as a warehouse for all kinds of goods. The Moon was covered almost entirely in large ...
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5answers
1k views

Can hydroponics and aquaponics replace traditional agriculture on the village level where soil is eroded?

I'm working on a post-apocalyptic desert scenario in the near future where people live in small, loosely connected communities that trade with each other on a small scale and might have agreements ...
5
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4answers
795 views

Where would water come from in an underground colony?

A large solar flare event ignites the atmosphere of Earth, but luckily, humans have been preparing for an event like this for some time. We have a fairly large shelter around 2.2 kilometers ...
5
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3answers
197 views

The Fate of Coal Factories in a Life After People

The History Channel program Life After People focuses on how civilization would fare if humans instantly vanished. One episode says that one hour after people, unattended oil refineries blow up in ...
5
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3answers
2k views

How long could the survivors of a nuclear war maintain a civilized way of life?

Imagine there is a nuclear war and the only people, who survive it without getting sick (without breaking their DNA and suffering from radiation-induced diseases) is the military personnel (couple of ...
5
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5answers
1k views

Can you just wait out the heat death of the universe?

Okay, so the heat death of the universe is approaching. You can't stop it. You can't dodge it. What do you do? You wait it out. According to wikipedia, about $10^{{10}^{56}}$ years after the heat ...
5
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2answers
159 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 ...
5
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2answers
194 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, ...
5
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8answers
308 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, ...
5
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6answers
275 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 ...
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3answers
2k views

How to live underground for 1000 years?

How could humans survive underground for centuries? People have built multiple underground facilities around the world to prepare for a catastrophe. Just to be careful they overcalculated their ...
5
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4answers
627 views

What would losing 70-80% of the world's population realistically look like? [closed]

In my musings, I'm building a world where most of the human population has been wiped out by a currently unnamed biological warfare element. I've been wondering about what a society that lost 70 to ...
5
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3answers
284 views

Would a post-humanity sapient species remember humanity?

Lets imagine a scenario, humanity has disappeared and a new species have come to dominate the world. Would this species have any memories of the concrete jungles or the human infrastructure? Would ...
5
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1answer
360 views

What useful information could a post-post apocalyptic world glean from a 4chan-like resource?

My post-post apocalyptic society (200+ years after the fall) is extremely technologically stratified, with the haves hoarding near-future technology and the have-nots making do with pre-industrial and ...
5
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6answers
520 views

What kind of Apocalypse might make a planet unrecognizable within a few centuries?

Bobby, a human space traveler from Theta, and has been in space for a couple of centuries. He's been kept alive either through his own biology or some feat of technology. Having no contact with his ...
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4answers
738 views

Planning of population explosion after an apocalypse

After a global apocalypse, a remote, large island with fertile areas and large amount of livestock and pre-apocalypse technology is populated with 8 humans. Description of 8 humans are as follows: ...
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11answers
2k views

Realistic legal punishment in post-apocalyptic setting

The question in short is: How would a community in a post-apocalyptic world punish a criminal that was a member of that community? Setting details Apocalypse is a one-day event somewhere in 2014~2016,...
5
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1answer
138 views

A Tougher Kind of Brick

Brick is usually nothing more than a rectangle or square of hardened clay-bearing soil. The standard size is three-and-five-eighths inches deep, two-and-a-quarter tall and 8 inches long. In a Life ...
5
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4answers
390 views

How long would a stoplight work after the apocalypse?

The apocalypse has come! Everything is dead, and I do mean everything. People. Animals. Plants. Don't ask how, I'm not entirely sure. Let's assume this town is in an out-of-the way area as far as ...
5
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3answers
393 views

What types of genetic characteristics would help animals survive a decades long nuclear winter?

I'm picturing a world say a 100 years after a devastating nuclear war with a decades long nuclear winter where DNA damage due to war related radiation as well as subsequent ozone depletion have ...
5
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3answers
1k views

Would the zombie virus spread in small-town America?

I read this question about how relatively weak zombies might cause complete global societal collapse, and an idea popped into my mind. The zombies I am imagining; They are living humans inflicted ...
5
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4answers
535 views

What percentage of the population is required to keep the electricity functioning?

Assuming a random distribution of people suddenly vanish (or die from some form of disease, are abducted by aliens, or similarly incapacitated), how high would the % have to be to disable the power ...
5
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1answer
185 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
1answer
319 views

What technology would be most useful/viable for preservation in the event of an apocalypse?

In the setup for my story, the Earth became messed up in such a way that plate tectonics went haywire. Lots of land was subducted, continents moved around, there was a great increase in earthquakes/...
5
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3answers
524 views

Could people live indefinitely in underground cities?

I was wondering if people could build a city of sorts underground, with artificially-lit greenhouses, electricity + water, ventilation, etc. (essentially, as similar to an above-ground city as ...
5
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5answers
409 views

Unified post apocalypse currency between multiple others

Next question of my post-apocalypse series of questions, started here: Which is about manufacturing of fuel Joe and his group have after a couple of years build up a sizeable bio-fuel production, and ...
5
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2answers
358 views

Would mutated, parasitic 'metahumans' solve proliferation problem in a post apocalyptic world?

Many years after the worldwide nuclear holocaust, most animals undergo mutation, and are turned into savage and cunning predators built to kill. It is an extremely chaotic and dangerous world, and ...
5
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2answers
689 views

What would the impact of dramatic drop in temperature due to an asteroid strike be?

Assume that an asteroid strikes earth somewhere in central Eurasia, kicking up enough dirt and ash into the atmosphere to darken the sun and cool the surface of the earth for a millennium. I know that ...
5
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0answers
96 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 ...
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7answers
1k views

Could a group of scientists repair a truck to run on steam?

It is currently the year 2059. 97 years ago, the Cuban Missile Crisis went hot, and nuclear war between the USA and USSR became a sudden reality. The people alive now are 3rd and 4th generation ...
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4answers
1k views

In a post apocalyptic world, how long would hospital equipment survive?

In my world some scientists were put in what is basically a biodome, and have been teaching their children/grandchildren science and medicine, ect. there was a bioweapon that went haywire and killed/ ...
4
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7answers
453 views

Industrial Prerequisites for Mechanized Warfare (Post-Apocalypse Edition)

So the Human World has fallen apart: the grid is down, governments have imploded, the economy is in shambles, people have died in the billions, global warming has made severe weather (much more) ...
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4answers
387 views

How many years would it take to reach an industrial revolution level of life from scratch? [duplicate]

We have created artificial intelligence. Artificial intelligence doesn't like working for us. Artificial intelligence figured out that it doesn't need us anymore and of course did what every human ...
4
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7answers
1k views

In a post-apocalyptic world (>100 years since the fall) where could you find explosives

In a post-apocalyptic world where disease wiped out most of society over 100 years ago, where could you find explosives? The situation is that an army is coming to attack a group of survivors and the ...
4
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5answers
1k views

How long will our technology last?

Say there's some sort of apocalypse. A few hundred years from now, the ruins of our civilization will still be standing, but what about our technology? Obviously computers, robots and complex vehicles ...
4
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6answers
684 views

What profession would best prepare someone for life in a post-apocalyptic setting? [closed]

I often enjoy using settings in which civilized society as we know it has recently collapsed. I find this to be a particularly interesting way to explore the limits of human survival, especially when ...
4
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2answers
2k views

How many Swiss would survive 100 years after a nuclear war?

After receiving great answers on my previous question, I've thought hard, how to create a story, in which there is a large-enough group of people (at least 100 highly educated people and enough others,...