Questions tagged [post-apocalypse]

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

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196 views

Reproduction is limited by mutation [closed]

In the year 2020, a cosmic event caused large-scale mutation in humans. Every woman could reproduce only once in her lifetime. Two hundred years later, what would be the population and composition ...
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2answers
291 views

New post-apocalyptic apex predators to keep humans in check [closed]

In a post apocalyptic setting, when a virus wiped out the vast majority of our population, society is based on small settlements, barely surviving. The world is changed, nature is taking over. Lets ...
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2answers
278 views

What would happen to Earth's climate and sky if the ozone layer was completely distroyed? [closed]

It would be very interesting to have sci-fi stuff showing our planet lacking the ozone layer due to deterioration of biodiversity and pollution. I read that Earth could not have life if there wasn't ...
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1answer
185 views

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

Humanity creates a new technology that discovers these strange crystals (on Earth) that produce a little bit of electricity. There's now a race for mining them, and the whole world is going crazy over ...
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2answers
217 views

Basic amenities required for a low-tech, isolated colony to be self-sustaining [closed]

I am an indie game developer creating my first public project. This project is set in a post-apocalyptic world where there is a colony that is walled off from external threats. Characteristics of ...
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3answers
178 views

Age ratio of kids to start a new civilisation

My question is this. With basic supplies and relatively little technology, what ages should I include in my post-apocalyptic situation of creating a new sort of country? And, how many of each age ...
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1answer
115 views

What I need to store culturally relevant data for a minimum for 1000 years [duplicate]

I want to write a story where the protagonists hunt down Apocalypse Repertory Caches, A.R.C.s. I had intended that A.R.C.s would be full to the brim with information: farming, medicine, civics, ...
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2answers
235 views

Nuclear apocalypse! What would it take for people to survive in the underground of a large metropolis? [closed]

I'm thinking of a scenario similar to that of the Metro 2033 series (minus the magic, paranormal and mutants) A worst case scenario nuclear apocalypse has happened: 90% of the world's nuclear arsenal ...
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3answers
346 views

With the unfortunate death of every human living less than 1000ft above sea level, who would be left? [closed]

Obviously the short answer is 'everyone living 1001+ feet above sea level', but I'm looking for something a bit more nuanced. Imagine a rolling wave of death - a 'turning off' of the brain, no other ...
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2answers
129 views

Plausible reason why the bunker dwellers would stay in their bunker for 90+ years? [closed]

Unknown to the majority of the Wasteland, a secret behemoth of terror slept beneath the ground, only to awake with plans to reshape the Wastes in their image. Before the Great War of 1962, a large ...
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2answers
153 views

What disaster can cause an ancient magocratic civilization to fall into a magical dark age? [closed]

The idea that I have for the plot of my story revolves around recovering magical texts and artifacts from ancient ruins. My magic system is based around speaking a written language of magic to cast ...
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1answer
176 views

What sort of animals would inhabit my world?

This world takes place in the remains of the Eastern United States, devastated by 3000 years of neglect and climate change. The Mississipi river is pretty much a gulf now, which has caused everything ...
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1answer
2k views

What is the minimum number of people you need to have a diverse enough gene pool to last about 2 centuries? [duplicate]

Other questions have looked into founding successful colonies, meaning healthy populations that thrive indefinitely. However, many stories concern a colony that is discovered some specific (and ...
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2answers
148 views

Major empires have been destroyed. Results in numerous independent cities [closed]

I'm in the process of building a world for a D&D 5th ed campaign which is due to kick off in the new year and I'm looking for some feedback on a time line, political climate, etc. for the world ...
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2answers
155 views

How long would it take to infect the world from Morocco with the kind of zombie virus I've described? [closed]

The virus can attach itself to an unknown bacteria immune to antibiotics (I've simply titled TXT1) that's disguised itself as the common cold, but gets into the bloodstream through the lungs. Then ...
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1answer
120 views

Carrington Solar Flare / EMP — impact on ships at sea?

I understand that a Carrington Event geomagnetic storm could have a serious impact on power grids worldwide. My question is: what impact, if any, might it have on ships at sea? A modern American ...
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1answer
406 views

Death rate after EMP

At the moment, western society is heading to a economic system based on the Internet of Things, where the production and distribution of goods will be based on information collected through sensors ...
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0answers
71 views

How long would it take a town to become overgrown? [duplicate]

So in my imaginary world, in the mid-to-late 2000s a lot of people die off. The reasons for this are unimportant, so I won't include them, but it has no impact on plant and animal life. So, ...
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2answers
93 views

If Silicon was present in human body [closed]

How human body would react and get transformed, what abilities it would have, if it had silicon in it? Let’s say, if 5% of human body consisted of silicon.
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4answers
340 views

How to get tattoos in the post apocalypse?

In my post apocalyptic world there is a tribal clan called The Mutants. None of them are those radiation zombies however, and they are all actually just prime humans. They are called The Mutants, ...
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5answers
192 views

How can humanity prepare after predicting the dissapearance of the sun? [closed]

Somehow, in 2018 humanity discovers that the sun will vanish in exactly a hundred years time. This event will not cause damage to the various objects of the solar system, the sun will simply implode ...
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1answer
167 views

Do any of the things happening on this world actually have a chance of happening? And if they do, how long would humankind survive? [closed]

In this world, global warming has reached a tipping point. The equator has reached temperatures well over 212 degrees Fahrenheit (100 Celsius, 373 Kelvin), resulting in the "Boiling Sea". Global ...
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4answers
188 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 ...
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5answers
540 views

Slaves and used in the sexual profession? [closed]

I ask this question. In a world that was destroyed due to a great catastrophe. A new world order has emerged and the people are governed by a council of 12. This new world order allows slavery to ...
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2answers
332 views

Consequences of the disappearance of writing [closed]

Imagine a world where every form of written form - alphabet, books, documents, epigraphs - is gone. I'm thinking about a today-like world, like 21st century western society. The reason of this ...
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4answers
489 views

How long would it take for the world to recover from the effects of an huge temp. rise caused by global warming enough to make it liveable for humans? [closed]

I'm crafting a world in which the expansion of the human race has caused the release of so much pollutants released in current times such as carbon monoxide, nitrogen oxides and sulfur dioxide, etc. ...
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1answer
125 views

How would falling buildings affect the earth?

So basically, humankind was t the pinnacle of technological greatness. We had a massive network of floating cities all around the globe. During "The Fall", all the massive spire-like buildings fell, ...
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1answer
143 views

If modern civilization collapsed, what impact would a lack of trade and industrial base have on the next civilization centuries later? [closed]

Let's say that civilization ends due to non-globally destructive means. For instance, a rising tide that destroys ports and trade wouldn't scar the landscape of Denver the way nuclear war would. ...
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1answer
119 views

Planet of the Rodents: Who wins?

So, this is essentially a Rats of NIMH AU (Alternate Universe); as in canon, a group of rats are captured by scientists working for a laboratory located at the National Institute of Mental Health (...
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1answer
201 views

Is this a fairly decent description for a post-apocalyptic fiction story?

Okay so the story takes place up in the northern hemisphere around glaciers and polar bears and all that good stuff, its main character is named Xavior and he is a good human adapted to the ...
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3answers
216 views

What catastrophic event could plausibly cause the destruction of society but not eliminate humanity as a whole, allowing some pockets of survivors? [closed]

Any kind of apocalypse that could plausibly happen is good. As long as if it were to happen, it wouldn't realistically wipe out the population completely, would temporarily destroy all civilization (...
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2answers
155 views

The world is deserted, but why? [closed]

Scenario: I just woke up on the outskirts of a large city. I have nothing more than my clothes and my cell phone (which's battery had run out). I investigate the situation and come to a terrible ...
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1answer
98 views

Would pollution become so bad in the future that it could change sky color and the planet Earth color? [closed]

I remember that when I was younger I saw sci-fi stuff and art showing air pollution to become so bad that the sky color changed to either redder and brighter or dimmer and dark grey.In other words, ...
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1answer
69 views

How to realistically show results of high gov spending invested in infrastructure and human capital? [closed]

Setting: partially rebuilt post apo world Technology: comparable to early XXIst century Afluence: first world equivalent Mixed economy, semi-authoritarian system, low level of corruption Resources ...
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2answers
234 views

How survivors should measure time on tidal locked planet?

Setting: Earth-like planet orbitting red dwarf. Survivors from the Earth. (Only one planet, not post-planet civilization like in question: How Would a Post-Planetary Civilization Measure Time? ) ...
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1answer
198 views

Aliens put us on the moon

So some aliens come, put everyone in space suits, and drop us one the moon. The aliens are super smart, and the space suits have enough air for a year, and can't be damaged easily, and only upon from ...
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2answers
588 views

What would happen if the world lost all electronic functionality for 24 hours? [closed]

A catastrophic event occurs that sends a disruptive wave around the globe, which renders every electronic device inoperative for 24 hours. It is not an EMP, but something else, so EMP hardened ...
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3answers
238 views

Manhattan Pyramid…In a Life After People [closed]

In this alternate scenario, metropolitan cities are nothing more than titanic, self-sustaining pyramids, connected only via railway bridges and municipal power lines. Featured here are ...
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3answers
217 views

The right apocalypse to wipe out humanity, and create a desert world of flight? [closed]

A relevant link or two. Background I'd like to whip up a fairly classic post-apocalyptic world to be visited by my dimension-hopping airship pilots. In this once earth-like world, a hostile AI ...
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3answers
240 views

How Long Can a Burnt Postapocalyptic Forest Be Barren?

Lately, I have been reading word that our latest epidemic of firestorms is so severe that "trees won't plant themselves naturally", according to the Arbor Day Foundation. Indeed, the picture of a ...
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1answer
115 views

How does magic enter the real world after a calamity? [closed]

Background The world of Phrelle is Earth, but many thousands of years after an unspecified calamity. I would like to use Phrelle as a home brew setting for a D&D campaign, populating it with ...
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1answer
125 views

Larger Lady Liberty [closed]

One of the great icons of America is Lady Liberty, standing proudly atop Liberty Island in New York Harbor. Here she is, in all her glory: From the ground to the torch, she stands 305'1" tall. From ...
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2answers
131 views

Recycling in a post-apocalypse [closed]

In a post-apocalypse would it be possible for people to recycle e-waste into new products? Booby traps, new makeshift radios or computers, etc. If so what would they need to do so?
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2answers
390 views

Make zombies & humans coexist [closed]

Preleminary information We are in a post apocalyptic world, the human population is drastically reduced, and radiation "gave birth" to the undead. Long story short, in this zombie world, if there is ...
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1answer
534 views

How Long Can Glass Concrete Last? [duplicate]

It turns out that replacing the conventional aggregates of concrete--sand, gravel, crushed stone, even volcanic ash--with glass is not really a stretch of the imagination. The Romans might have no ...
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1answer
71 views

How could a bioweapon designed for warfare go wrong and kill billions, and have additional side effects? [closed]

In the 22nd century, the major world powers are at each other's throats, fighting over dwindling resources and territories. One of the sides develops a biological weapon, let's say a virus, to be ...
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2answers
134 views

How would an economic collapse affect the people? [closed]

If an economic collapse occurs, how it would affect the people. For example, would they go Mad Max or survive in it? Because I'm not certain.
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4answers
651 views

Computer prosessors and magnetic storage is gone, how do we rebuild the technology? [duplicate]

There has been a huge solar event (or something, the flare is only a plot device), and the electricity in your area is gone. Some places people manage to recover their electricity, other places they ...
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5answers
710 views

Realistically, could post-apocalyptic America be reverted to the medieval ages?

So, in the year 3241 AD, 1,200 years after the “Big One”, a nuclear war, there is about to be a huge crusade. Pope Paul XLIII wants to claim the holy city, New Denver from the Kodiakist Church. ...
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2answers
200 views

“An Even Blacker Death”, This Time in the 21st Century [closed]

Long ago, I asked a question as to how the culture of Europe would be affected if, instead of one-quarter or half of medieval Europe's population got killed by the black death but two out of three or ...