Questions tagged [post-apocalypse]

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

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9
votes
9answers
4k views

How can tigers survive indefinitely in a post-deforestation world?

Against the backdrop of man-driven deforestation pushing some species to extinction, my world needs a viable basis for the survival and thriving of tigers after an apocalypse. It would seem counter-...
4
votes
2answers
274 views

What sort of weapons manufacturing could be supported by a post-apocalyptic world?

I've just been working on this post-apocalyptic setting and was wondering what level of weapons technology it would be able to support. Essentially a combination of land degradation, global warming (...
2
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1answer
152 views

Could someone survive the post impact earth if they go out of the shelter after a few months?

First of all, sorry if my English is bad. I’m trying to figure out a post-apocalyptic story, so I came up with the so many times recurred asteroid of the size that killed the dinosaurs. Is kind of a ...
2
votes
3answers
192 views

What animals would most likely fill large land animal niches after a mass extinction that wipes out 99% of life caused by nuclear war?

Before the Permian extinction synapsids occupied large land animal niches. After the permian extinction some synapsids occupied large land herbivore niches, but most large land animal niches were ...
18
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10answers
5k views

A huge asteroid is going to hit. How many people can the world put into (mostly) self-sufficient homes in 6 months time?

Background: The 20-km (or however large it needs to be to cause the below effects) asteroid appeared out of a dimensional rift close enough and going fast enough that it will reach Earth in just six ...
1
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3answers
96 views

Mining, Scavenging and Recycling in an artificial world

Billions of years ago, an extremely advanced civilization created an artificial world. Whether it is a ringworld, a shellworld, or something more isn't really relevant. This world's crust has a depth ...
3
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4answers
284 views

Would civilization collapse if ten percent of humans were transformed?

If ten percent of humans were changed to various humanoid species, some more monstrous than others, and if ten percent of those changed, so one in a hundred, were to completely lose their minds in the ...
0
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1answer
44 views

Could an animal suffer drastic mutations through chemical compounds and the likes and make them more dangerous or aggressive? [duplicate]

I need to add danger to my world since its a post apocalyptic sort-of scenario where animals were left to their own devices after humans went extinct because of war. Humans resurface after 1000 years. ...
4
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3answers
169 views

Would different types of species change drastically ove the course of 1000 years if humans went extinct? [closed]

If humans all went extinct from war and lack of resources and left no trace except for their big cities, would any species change drastically over the course of 1000 years? Would they have notable ...
6
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3answers
173 views

What would buildings in a post-nuclear war be like?

I'm writing a short story set in an isolated, small community in an empty desert post-nuclear war (I don't have a specific amount, but I'd say around 110-200 years afterward). I was wondering what ...
21
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8answers
4k views

Surface is 500F (260 C), but we have thorium reactors, diggers and heat pumps so human life continues underground. Possible? Or slow-roast?

I'm working on the story of someone born in the tunnels after the earth has gone though a runaway greenhouse effect. I want these tunnels to be real, with real infrastructure to keep the inhabitants ...
9
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8answers
3k views

How long would it take for past information to be gone after a nuclear apocalypse

I have a post apocalyptic world where the main character is trying to learn more about the pre-apocalyptic world. However I don't know how long it would take for almost no knowledge to get to him ...
1
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1answer
136 views

How to survive on earth if everyone disappeared? [closed]

One day, at 3am, everyone on Earth vanishes except for Tim. Tim is 17, does well in high school but doesn't have many real world skills. Tim lived in a large North American city. Questions: After joy ...
7
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3answers
880 views

Plausible Premise? Reasons to leave a village by young person in post apoc post plague village system world

I'm in the process of writing a story (just for fun with my son) that takes place somewhere around 80-100 years after an end-of-the-world event. Right now, that event is some type of plague, but that ...
13
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7answers
2k views

How could I justify that ancient humans ruins have not been discovered?

Scenario: Earth's history is 100% equal to reality . It’s the year 2040. First interplanetary cities with 3% total population of mankind. 200 million years ago humans appeared on Venus, developing ...
4
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5answers
414 views

What is the best-case-scenario for farming in the post-apocalypse?

Following the "Generic apocalypse-causing event" most of Earth's population is wiped out in a matter of days. The several hundred survivors of Metropolis City salvage canned food from ...
2
votes
1answer
84 views

Impact winters and understanding their “impact” [closed]

I have visited Impact Earth! and love the amount of information. I understand the information on how much particulate would be ejected into the atmosphere. However, there are no calculations for how ...
8
votes
3answers
220 views

What would maps look like in a post-apocalyptic world where every 2x2 mile square of land is subject to a different supernatural gimmick?

So, I've got this setting. It's a supernatural post-apocalyptic story involving guys with superhuman abilities traveling across an America that's become a grid of 2x2 mile "squares" (...
28
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15answers
5k views

Why might radios not be effective in a post-apocalyptic world?

The setting is a post-apocalyptic world in the near-future (100-200 years), where remaining humans are living in a few domed cities scattered around the world. The reason for living in the domes, and ...
6
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2answers
237 views

Realistic Postwar Population Explosion

Okay, let's say that we have a starting population of 7.7 billion, and a brutal, month-long war wipes out 1.3 billion people. 1% of Earth is rendered uninhabitable by the war. This would put carrying ...
21
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6answers
4k views

What would allow gasoline to last for years?

Looking for a way gasoline can last more than 3-6 months? Going off the simple zombie apocalypse scenario, I want a way to find vehicles and drive them after they have sat for 2,3... x number of years?...
6
votes
1answer
160 views

How self-sufficient a fast breeder nuclear power plant can be in a post-apocalyptic setting?

Setting The full society collapse is starting, and a group of people know it. It may or may not lead to a total extinction event. They can't protect a whole city but a couple of hectares is doable. ...
2
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0answers
73 views

Impact of Longevity On Labyrinth Dwellers [closed]

This is based off of Preserving Order In Post-Apocalypse Labyrinths (As shelters!), I'm trying to focus on and cover each point in more detail to gain additional insight here. In this case, it's Point ...
2
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4answers
82 views

Sports and Sports' Meetings in Post-Apocalyptic Scenarios

In a sci-fi, post-apocalyptic scenario, is it reasonable/believable to assume that despite hardships, Humans would make time to engage in recreational sports activities? And in the case of sports' ...
0
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1answer
79 views

Why Would Humanoid Kaijura Partner With Humans?

So, this is sort of based off my previous question, What Would Be The Effect of Avatars In The Military?. After the fantasy society specified in this question developed into the twenty-first century, ...
0
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2answers
150 views

Preserving Order In Post-Apocalypse Labyrinths (As shelters!)

After the discovery of eldritch horrors and the existence of magic (never mind the subsequent apocalypse), people went underground. Special shelters called Labyrinths channel the chaotic energy of the ...
-4
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1answer
75 views

How would Humans React to New Continents Replacing Old Ones? [closed]

Dag nab it, the North Koreans have done it again! This time, they've created a massive ritual intended to replace the USA with a Communist North America to help Communism take over the world. However, ...
58
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14answers
10k views

How would Muslims adapt to follow their prayer rituals in the loss of Earth?

I am very aware that this is a deep question and I am really not an expert in Islam or Muslims, though I have tried to do my research. I know that Islam is the second-largest religion, I don't see why ...
-1
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2answers
177 views

Horror World Problems [closed]

I have left Super Dee behind, and is now focusing to truly build a world. In my new world, there are skeletons, vampires, zombies, witches, etc. Everywhere, people bring guns in their backpacks to ...
5
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4answers
482 views

Are these bio-tech implants possible?

I'm creating a post climate disaster world set several hundred years in the future. During the breakdown of society as we know it the vast majority of tech companies turned to creating implants to ...
-2
votes
2answers
177 views

How long would it take to rebuild the world? [closed]

Assume there is a small group of people, or a colony, with limited resources, who have all the knowledge of the world, but very few of its gadgets. How long will it take to rebuild the world to the ...
5
votes
5answers
326 views

Logistics of crafting ammunition after the apocalypse?

So, nuclear war has wiped out civilization, and brought humanity to its knees. Nuclear winter, radiation and violence has turned the Earth into a wasteland; a slaughterhouse and a breeding ground for ...
7
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3answers
2k views

Easily Produced Fluids Made Before The Industrial Revolution - Which Ones?

My society has solar thermal energy filling in the role of coal in the 19th Century, as described in the accepted answer here: Could I have a 19th Century American Society Develop Solar Power from ...
0
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0answers
45 views

In a world like current Earth but where most forests have been cut down, what would be the impact on the world's Atmosphere?

In a world like current Earth but where most of the trees and forests have been cut down, what would be the impact on the world's Atmosphere, in short and long term? Would that make the world hotter? ...
1
vote
2answers
81 views

Long range communication on a rogue Earth?

Imagine that, for unknown reasons, the Earth has left the solar system. It has been a while now since the event. It's so cold outside that the polar caps met at the equator and the atmosphere froze ...
2
votes
4answers
401 views

Could I have a 19th Century American Society Develop Solar Power from Blueprints?

My inspiration was this: Could solar power be utilized and substitute coal in the 19th century? My world is this: Rail Transportation with Races Described Below - Specifically, Seating My people are 2,...
1
vote
3answers
115 views

Justifiable reason to use a Submachine Gun in the post-apocalypse? [closed]

In my world, I planned on the use of SMGs (Submachine Guns) being common, with weapons like the H&K MP9, MAC-27, and UZI being most common. After doing some thinking though, I realized that in ...
7
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3answers
402 views

How to make pneumatic weaponry/airguns the main weapons of a miliary force?

Perhaps you know of pneumatic weapons also called airguns, but for those who don't; they're weapons that use air as propellant to launch a projectile rather than for example black powder or smokeless ...
2
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4answers
256 views

How to recruit members for a cult in the post-apocalypse?

In my world, everything was ruined. Global Thermonuclear War wiped out billions, and now, only a small smattering of post-apocalyptic survivors remain. In one bunker out in the Wasteland, a well-armed,...
9
votes
2answers
249 views

If all life on Earth was exterminated, how long would oxygen remain in the atmosphere?

There are numerous other question on this site about "If oxygen production stopped...?" but all of them appear to still have humans around. This question is different. In my scenario, we ...
1
vote
2answers
182 views

What is the best place to rebuild humanity [closed]

Imagine that time goes back, no apes smarter than chimpanzees appear, and then in year 2020, 100000 random humans with all the knowledge we have now spawn naked in one area. In what region of the ...
21
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14answers
6k views

Best gun in the post-apocalyptic Wasteland?

In my world, nuclear war ravaged the world, and nuclear winter scattered the survivors, dropping down the Earth’s population from 8 billion to a few million, at most. In the region of North America, ...
1
vote
1answer
52 views

Each industry in a town (maybe a bigger area) controlled by a single robot and its team? [closed]

In the future, after some apocalyptic events and a lot of bad luck, humankind has risen thanks to robots. In the town where the story happens, each industry (paper-making industry, wood industry, etc) ...
13
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23answers
4k views

What could lead humans to go extinct after a collapse of technological civilization?

A few hundred years from now, a prosperous humanity heavily relying on technology is hit by a disaster. It's not a type of a disaster that kills many people instantly, but it takes out enough ...
2
votes
4answers
255 views

Supplies necessary for subterranean survivors to adapt to the apocalyptic surface?

In my world, there was a brutal nuclear war, killing off a large, large amount of humanity. While the (former) working-class and blue-collar survivors spent a century fighting and scavenging in an ...
3
votes
3answers
131 views

Military/Government Breakdown in Post-Apocalyptic USSR

Background: In an alternative universe the Cold War (circa 1975) turns hot after some satellite communications errors. Nukes start flying — but for the purpose of the question, let's just focus on the ...
2
votes
2answers
141 views

How Would Society Rebuild After A Meteorite Impact? [closed]

In my book series, this planet called Aztlan is struck by a massive meteorite. The impact and ensuing fallout were basically identical to the Chicxulub impact that wiped out the dinosaurs. However, ...
5
votes
3answers
158 views

Is a genetically enhanced wolf-based creature realistic?

I had an idea for a creature in my world: the enchanced canine. Basically, they were dogs, mostly German shepherds, that were used by a police organization in the United States. These policemen, ...
8
votes
7answers
1k views

How to artificially accelerate biological evolution of species?

My post-apocalyptic world is to be populated by new creatures such as Giant Geckos, Trihorns, and super-strong giant humans. The setting is a few centuries after World War III takes place, so new ...
5
votes
2answers
274 views

Is it possible for this creature to evolve?

In my world, I wanted to have a specific type of creature (a human based one) who are called the Sealed. Basically, the Sealed were forced to go underground into a large cavern after WWIII’s aftermath,...

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