Questions tagged [post-apocalypse]

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

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11
votes
7answers
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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, ...
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3answers
2k views

How long would a carrier group survive unattended anchored just off shore

Take the situation of a modern carrier group (Aircraft carrier, etc.) anchored just off shore (far enough that they initially couldn't run aground) with all the crews abandoning ship for land (in a ...
11
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4answers
807 views

How long could scavenging be economically feasible in the post apocalyptic world?

So, the world has come down to a crashing halt. Nukes rain down from the sky, after the Cold War finally became a Hot War. Now, humanity is left with a wasteland. After the big one, cities have been ...
11
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3answers
35k 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 ...
11
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4answers
23k views

What would happen if all 433 nuclear reactors had meltdowns? [closed]

NOTE: This was adapted from another question that I asked recently. Apparently, a 30km radius around Chernobyl will not be safe for humans for another 20,000 years. The more recent 2011 Fukushima ...
10
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8answers
622 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 ...
10
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11answers
2k views

How to market an anarchic city as a tourism spot to people living in civilized areas?

So, in my Post-Apocalyptic world, there’s a city down in South Nevada known as Vegas. Unlike the rest of the majority of North America, Vegas was not hit by nuclear warheads in its near vicinity. But, ...
10
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6answers
4k views

Could you pick up a loaded gun five centuries from now and fire it?

What about a thousand years? This question was asked before about planes (I think), but since a gun is considerably less complex than a vehicle, I was wondering if they'd stand the test of time. Or ...
10
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7answers
938 views

What's a plausible way prove the existence of the “electron” to the doubters? [closed]

So, at many colleges in the North American region, most famously the New Jerusalem University and Chicago Collegium, much old world, pre-apocalyptic information is often taught at schools, including ...
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4answers
1k views

Recyling Metals in a Post Apocalyptic World

Hundreds of years ago, the world as we know it came to an end for various reasons. Mass death, mass agricultural failure, a complete breakdown of all economies and transportation networks along with ...
10
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5answers
2k views

How can I generate electricity inside a cave network?

After a particularly large bombing raid during a war, a mountainous rural region is left mostly destroyed. Villages are in ruins, bands of survivors look everywhere for food and shelter, and all hope ...
10
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8answers
523 views

Essentials for post apocalyptic traveler

You are a traveling across what used to be Colorado and Utah: it may be cold, it may be hot. This is okay, you have caches of clothing and weather gear you can easily pick up. Electricity is ...
10
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4answers
223 views

How long would it take for an array of introduced alien fauna to form functional ecosystems on a near-future “Dead Earth”?

Imagine that, in the near future, pollution, overpopulation and war leads to a massive extinction where almost all chordates, some invertebrates and many plants are wiped out. Small, resilient plants, ...
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6answers
745 views

How to govern marriage and family law for system recognizng polyamory or short term relationships?

Setting: Partially rebuilt post apo world, normal sex ratio Technology: comparable to early XXIst century Affluence: first world equivalent Mixed economy, semi-authoritarian system, low level of ...
10
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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
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1answer
142 views

Discovery of space-time distortion via post-apocalyptic cartography?

So I have been working on a world where space has been "cracked" by some mysterious disaster which plunged the world into chaos. It is not immediately apparent - i.e. no giant glowing holes in the ...
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6answers
19k views

What if the earth was physically split in half?

This question asks what if the world was divided into two regions? I'm asking what if the world was split into two planets. Let's say some aliens come to Earth and prank us (apparently they never ...
9
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4answers
2k views

Could the Bunker Dwellers become noticeably different from Wastelanders?

So, in my world, there are a group of people, mostly unknown to the rest of the world, who took shelter from the apocalypse 90 years ago in great underground bunkers. Compared to the rest of the ...
9
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3answers
1k views

(How) Could a medieval fantasy world survive a magic-induced “nuclear winter”?

So, a council of wizards decided that all should bow to their rule. That, it turns out, is a thing wizard councils did a lot. This lead into a certain degree of disagreement, which in turn resulted in ...
9
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7answers
600 views

Repurposing A Cargo Ship In A Post-Apocalyptic World

How would one go about repurposing a small cargo ship, no more than 50,000 tons, to run on an alternative fuel source/propulsion other than oil? And what alternative source would work best for ...
9
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6answers
752 views

How feasible would mass scale metallurgy be for a post-apocalyptic civilization?

Let's assume that civilization is a total loss so after the initial die-off humanity has to rebuild itself from the hunter-gatherer stage. In a particularly harsh environment it may take a few ...
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4answers
4k views

For how long would electricity and internet be avaliable if all but one human on Earth were gone?

In my story all humans except one vanished suddenly. This one received the gift of immortality and is now alone in this world. Considering that the world is identical to ours. How much time does this ...
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2answers
2k views

In an all-out nuclear war, how long should people remain sheltered?

Fairly common in sci-fi literature is the scenario where the Earth is destroyed by an all out nuclear war. Typically, the protagonist has survived by remaining in underground shelters for decades ...
9
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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 ...
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4answers
838 views

Are mobile cities justifiable in sci-fi settings?

Mobile cities are a common sci-fi setting. They are a staple ingredient in novels like "Mortal engine quartet" and "The inverted world" Plot set aside, what justifies mobile cities on land? Giant ...
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3answers
2k views

How life in a neverending war zone would look like?

I’m writing a post-apocalyptic novel, but I have a problem when dealing with daily life in a post-apocalyptic war zone. I know that I might know how civilians or soldiers live in a war zone just by ...
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3answers
698 views

Surviving for a year after everything dies

Vis Vitalis was real. It was a power that allowed life to exist, that gave direction to processes inside living cells, guiding RNA chains towards the ribosomes, making the proteins align where they ...
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2answers
766 views

How would the relics of extinct human society affect future civilizations?

My story (same world as here) take place in a future Earth between 3 and 5 million years in the future. What kind of artifacts, if any, would civilizations from this era find from the now extinct ...
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1answer
220 views

What would languages descended from Esperanto look like? [closed]

Esperanto itself is mostly derived from/reminiscent of English, Polish, Russian, German, French and various romance languages (or so I’ve heard). In a post-apocalyptic future where the survivors ...
9
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1answer
2k views

How long would a medieval castle last after people

So the scenario for my story involves an abandon castle that is located in a taboo area so no one goes near it and so no one is maintaining it anymore. Assume the castle was almost 1000 years old ...
9
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5answers
563 views

A Tougher, Longer-Lasting Skyscraper

The steel that makes up the skeletons of modern skyscrapers consists of iron and carbon. The problem with both is that, if the entire city is untended for long enough, both metals betray their ...
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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 ...
8
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7answers
563 views

What valuable survival tools could be scavenged from an average High School?

So, after a nuclear holocaust, the students at Gun Runner High school are all evacuated with all survival kits, and a large amount of chocolate milk. There is no food left, and no lighters from ...
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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 ...
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10answers
1k views

How much technological regression is plausible?

I'm working on a post-apocalyptic world for a game and the more I think about it the more unsure I get about the technological development of the setting being believable. So I'm asking how likely a ...
8
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5answers
1k views

The go-to power source for transportation in a post apocalyptic world

In post apocalyptic worlds gas, is often portrayed as the main power source, and without it, it is impossible to travel anywhere. Two examples are Mad Maz and Waterworld. However, gasoline is limited,...
8
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7answers
519 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 (...
8
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8answers
473 views

How advanced can a stagnant civilization on a dying planet be?

Background The concept of an old and dying red planet is common in pulp novels, comics, and gaming. What I am interested in is a world dying under a sun that has turned red and is expanding. The ...
8
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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
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3answers
7k views

How deep would a bunker have to be to prevent significant radiation seep?

Thousands of years after a nuclear war that killed all life on the surface of earth, the descendants of the humans who fled to bunkers emerge... How deep would these bunkers have to be to prevent ...
8
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2answers
423 views

Manhattan Project goes really, really wrong

This is for a project where the electromagnetic pulse (EMP) from early US atomic bomb tests is somehow much more magnified than the destructive blast- so much so that it destroys electrical devices ...
8
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3answers
895 views

Corrosive oceans and seas - how would this affect our world?

Okay, I will make a little premise/context to give the question a decent background. I know that the scenario could look rather "handwavy", but take it as the framework on which the answer should be ...
8
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4answers
259 views

Ballistic armor for mammoths/ general potential carrying capacity

First question so go easy! I've been looking around for the carrying capacity of Elephants, hoping to extrapolate that to a Woolly or Columbian Mammoth. I know logging Indian elephants can lift half a ...
8
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6answers
416 views

What effect would a known but lost precursor civilization have on religion and philosophy? [closed]

My world is a realistic post-apocalyptic revival of civilization. Thousands of years have passed, and almost all knowledge of the old world has been lost or greatly distorted. There is plentiful ...
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4answers
2k views

In a post-apocalyptic world, would plastic be more useful than metal as currency?

What would be more valuable in a post-apocalyptic world and/or more suitable to be used as currency: plastic or metal bottlecaps? The Fallout video game series popularized the use of metal bottlecaps ...
8
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4answers
1k views

Would living underground during an impact winter be ideal?

I was looking at these two questions: Expanding Occupied Underground Habitations Safely Does Living without access to Sunlight have known Physical/Psychological effects? And in a story I'm writing, ...
8
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3answers
257 views

How to make plane without coal, steel and oil

My world is far away exoplanet with water and some oxygene, but without life or plants, which means without coal and organic materials inside. High tech people from Earth come there and made some ...
8
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7answers
1k views

Post-Apocalyptic Technology

Now I know that steampunk is generally done in around/past the industrial revolution (and that what I'm lookong to do may not technically even be steampunk), and for good reason. However I'm looking ...
7
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10answers
684 views

Plausible reason why the organization wouldn’t use horses? [closed]

So, after the apocalypse, there is this charity organization, ORE, that has set up HQ in Des, Iowa. They have about 3,400 members, with about 1,000 of those living somewhere outside Des. They need to ...
7
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6answers
2k views

Would it be possible to build helicopters without knowledge of radio transmission technology?

I'm putting together a little self-actuating industrial society in a post-nuclear desert. I want the chief mode of transportation for their military to be helicopters, similar to those used in the ...