Questions tagged [post-apocalypse]

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

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1 answer
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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 ...
16 votes
14 answers
4k 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 ...
3 votes
2 answers
781 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 ...
3 votes
6 answers
406 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 ...
7 votes
3 answers
399 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 ...
17 votes
19 answers
4k 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 ...
2 votes
10 answers
296 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 ...
5 votes
6 answers
2k 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 votes
1 answer
132 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 ...
10 votes
11 answers
3k 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 ...
1 vote
6 answers
408 views

Is there anyway life could survive a nuclear apocalypse realistically?

The only such media I've seen is Fallout, which is obviously highly fantastical. I mean, they mutant animals and irradiated zombies running around! But realistically, is there anyway that life could ...
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 ...
9 votes
6 answers
1k views

Best crops to grow in the post-apocalyptic wasteland?

A nuclear-WWIII happens, lots of people and animals die. Surviving humans are afterwards forced to either hide out in small survivalist compounds on the surface, or self-sufficient underground bunkers....
5 votes
6 answers
458 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, ...
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 ...
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 ...
-1 votes
2 answers
136 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 ...
48 votes
8 answers
15k views

How dangerous is a 500-year-old nuclear warhead?

Inspired by this question: For several excellent reasons, a 500-year-old nuclear warhead is not going to produce an actual nuclear explosion. But that doesn't mean it's not dangerous anymore. ...
2 votes
1 answer
173 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 ...
1 vote
0 answers
119 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 ...
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 ...
-1 votes
1 answer
201 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 ...
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 ...
8 votes
4 answers
628 views

Recreating a fantasy setting in a post-apocalyptic world

I’m imagining a post-apocalyptic scenario as a thought experiment. It takes place 500 years after a nuclear war on the East Coast of what was the US, and is meant to roughly be a recreation of a high ...
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, ...
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 ...
-4 votes
3 answers
175 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 ...
0 votes
2 answers
362 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 ...
191 votes
23 answers
45k views

If everyone in the world disappeared except 35 random people, how long would it take for one of them to realize they're not alone?

Everyone suddenly disappears from earth except 35 people randomly scattered wherever they were before everyone disappeared. How long would it take on average for 2 or more people to meet? What other ...
3 votes
5 answers
310 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 ...
6 votes
3 answers
3k 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 ...
0 votes
2 answers
267 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 ...
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....
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 ...
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....
-2 votes
2 answers
181 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?
2 votes
2 answers
322 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 ...
2 votes
2 answers
512 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, ...
-4 votes
2 answers
182 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 ...
3 votes
5 answers
264 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 ...
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 ...
4 votes
5 answers
540 views

How would it be possible to have a singular island that is the only place suitable for human life?

I've been mulling over a way to create a post-apocalyptic world where all plant life in densely populated areas have died off and caused humans to die from lack of oxygen. In this world I would like a ...
5 votes
8 answers
3k views

What is the most important objective for survival in a post-apocalyptic society?

Let's say the world as we know it has been brought to an end by a nuclear apocalypse. Our perspective centers on a small group of survivors in one area, benefiting from a shelter of some kind. These ...
2 votes
3 answers
573 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 ...
4 votes
4 answers
686 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 ...
3 votes
3 answers
191 views

How would the general public be kept unaware of a zombie outbreak? [closed]

Consider a zombie outbreak beginning in March 2020 rather than the Covid-19 pandemic we have today. This pandemic has started intentionally by a secret world organization to lower down the human ...
42 votes
32 answers
35k views

Most effective long-term zombie killing weapon

So I asked this question a few days ago, with excellent and certainly useful feedback. I've decided I'd like to build upon that question with some ways to combat our 'new and improved super zombies'. ...
22 votes
14 answers
5k 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 ...
0 votes
2 answers
496 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 ...
10 votes
12 answers
2k views

Would improvised motor vehicles be feasible a century after the fall of industrial civilization?

I'm working on a TTRPG system that takes place about a century after an apocalypse event. I've hit a point where a bit of world building is required, and so I'm going down the list of technologies (...

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