Questions tagged [post-apocalypse]

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

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7
votes
2answers
349 views

What would cause regular EMP bombardments on Earth?

In the SF/post-Apocalyptic world that I'm building, the Earth is struck by interplanetary EMP bombardments that destroy most electronics. The year is around 2040~50, and the tech level is bumped back ...
-4
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2answers
169 views

How many people needs to die for society to collapse? [closed]

A limited nuclear exchange occurs in the world, how many people would have to die for civilization to collapse? With the goverments falling and the economy in ruins. I need an approximate death toll ...
-1
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2answers
80 views

How could society collapse after alien disclosure? [closed]

How would society handle an official disclosure that we are not the top predator on earth and there is something hunting/preying/eating us (as per latest UFO interviews) like an alien civilization, ...
12
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6answers
2k views

What event could lead to a scenario in which society has collapsed, but cloning facilities still operate?

I have this scenario where the world was thrown into chaos by something and in this event, shortsighted governments launched assaults on numerous military and civilian targets, leading to the collapse ...
3
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5answers
265 views

Most of Solar System is colonized but Earth dies with most of knowledge and technology. What the colonists may do to rebuild the civilization?

Suppose it happens some 250-300 years in the future. There are some (medium-sized) cities on Mars, settlements throughout Solar System, an interplanetary communications network, many orbital space ...
5
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2answers
207 views

How frequently can I pound my civilization with rocks and expect it to rebuild between?

I have a civilization living on floating reefs on a pure water world (no land other than the reefs). There are creatures on the planet that extract relatively pure metals from the water to use ...
4
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4answers
532 views

How would a nightclub in a post-apocalyptic future look like? [closed]

I am studying theatre directing. It’s a thing of beauty to build a world for a set design. So: I’ve written a text that will be played by actors. It’s about a computer programmer who meets and falls ...
26
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12answers
7k views

Why have my intelligent pigeons not taken over the continent?

My story takes place in a post-apocalyptic world where there are no humans. On the island of Manhattan, which has been abandoned for a long time, there are communities of animals with human-level ...
3
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4answers
187 views

Restoring or recycling in a post-apocalyptic setting?

I have been wondering what would be more practical in a post apocalyptic setting, trying to restore the ruins of old (like refurbishing what can be restored and rebuilding over what cannot be and ...
19
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6answers
4k views

What is the most useful information to recover from an apocalypse?

The world ends tomorrow, you can't stop it and you will die. You can, however, put information on a hard drive(s). What information has the best ratio of "days until world back to pre apocalypse ...
1
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3answers
187 views

Is it feasible to have enormous boarding schools to educate a world empire's children?

In my fictional world, humanity lives underground in a planet that is not Earth. The underground is solid rock with "burrows" of large size that house all life on this planet. Think of it ...
1
vote
5answers
327 views

How long would it take for society to reform? [closed]

In this scenario, all of humanity spontaneously disappears. Earth is left untouched for a while, but not for too long. Buildings stay mostly completely intact, and most importantly, so does the ...
1
vote
6answers
139 views

How could a world empire prevent rebellions with minimal bloodshed?

In the world I've thought of, monstrous beings more or less ended civilization on my planet. From the fires of this apocalyptic event, the world empire arose. It took over territory either by force or ...
4
votes
5answers
1k views

How does one subvert a Dead Hand-style automated nuclear weapons system? [closed]

For reference: Dead Hand. Let's say that there's a post-apocalyptic wasteland, and people are attempting to get into it to rebuild/provide aid to survivors. However, there's an automated nuclear-...
12
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14answers
5k views

Would an ultra-heavy tank be a resource-efficient zombie-extermination unit for an CBRN-contaminated environment?

The question, before you get into the rest of this textual abomination: with all of the context, objectives, and design features mentioned below, is an ultra-heavy tank a resource-efficient means of ...
11
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13answers
6k views

Why would it take years to decades for aid to reach the survivors of a localized nuclear war?

Background: in my setting, there's a regional-scale nuclear war across most of Europe that primarily uses gun-type and boosted fission weapons. Essentially, mash this map and this map together, and ...
1
vote
5answers
523 views

How does one defend a military depot against Nazi-ish Sasquatch-vampires in a continent-sized post-apocalyptic wasteland?

There is a lengthy background to this, which I feel is relevant. Yes, the title is supposed to be somewhat B-movie-esque. For some reason, there are Sasquatch-vampires (more on their biology later) on ...
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
338 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
votes
1answer
194 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
232 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 ...
19
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10answers
6k 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
110 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
votes
4answers
313 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
48 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
179 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
232 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
vote
1answer
151 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
votes
3answers
899 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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8answers
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
votes
5answers
533 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
90 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
234 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
votes
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
votes
2answers
244 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
votes
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
177 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
votes
0answers
74 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
votes
4answers
92 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
votes
1answer
138 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
155 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
votes
1answer
85 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
votes
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
votes
2answers
184 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
votes
4answers
490 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
197 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
368 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
votes
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 ...

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