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Q&A

Posts tagged post-apocalypse

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Q&A Farming after the apocalypse: chickens or giant cockroaches?

So let's say you live in a terrifying post-apocalyptic world. For whatever reason, this world is now infested with cockroaches the size of chickens (similar to radroaches from the Fallout games, bu...

6 answers  ·  posted 7y ago by DaaaahWhoosh‭  ·  last activity 7y ago by DaaaahWhoosh‭

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Q&A How do we get efficient food production in a post-oil (hydrocarbon) society using as little space as possible?

I asked a similar question a small while ago. Unfortunately, the way the problem was defined excluded certain viable solutions. So I want to try again. The society would have to be complex. Perhap...

5 answers  ·  posted 7y ago by Ama ‭  ·  last activity 7y ago by Ama ‭

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Q&A If all zoo animals were set free, which ones could adapt

In this scenario, all the humans on earth have disappeared, except for Fred. Sure, Fred is sad that everyone that exists is dead but him, including his friends and family, but he doesn't let that g...

2 answers  ·  posted 7y ago by Uncle Tres‭  ·  last activity 7y ago by Uncle Tres‭

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Q&A How long can a power plant continue to generate electricity without maintenance by people?

The situation is as follows: there is a city with different districts, each provided with electric power from a different power plant: Thermal power plant nuclear power plant Hydroelectric power ...

5 answers  ·  posted 8y ago by Exerion‭  ·  last activity 7y ago by Exerion‭

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Q&A What could you mine from a city squashed by an ice sheet - in a new ice age?

Western civilisation fell over a few centuries ago, because the Earth shifted back into a full on ice age climate. Oh and Skynet kind of happened. Ice sheets expanded, inexorably rolling over the...

5 answers  ·  posted 7y ago by DrBob‭  ·  last activity 7y ago by DrBob‭

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Q&A Which voltage and frequency would be selected if there were no legacy issues?

Which voltage and frequency would be selected if there were no legacy issues? I can easily find how selection of electricity frequency and voltage was based on backward compatibility and quite arb...

2 answers  ·  posted 7y ago by Shadow1024‭  ·  last activity 7y ago by Shadow1024‭

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Q&A Disappearance of a large amount of the Earth

Imagine that, suddenly, a rather large cone shaped hole from the core to the crust appeared. All the land mass of the cone just vanished. Which could be the changes that this event would produce i...

2 answers  ·  posted 7y ago by MEPx‭  ·  last activity 7y ago by MEPx‭

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Q&A What would iron-age tools and weapons be like if they were redesigned with modern metallurgy?

I am a skilled metallurgist and engineer and, like most well-educated people, I'm terrified by the possibility of an impending apocalypse. Let's not worry too much about what form it takes. Nuclear...

6 answers  ·  posted 7y ago by Bob Tway‭  ·  last activity 7y ago by Bob Tway‭

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Rigorous Science How fast would our technological world shut down if most of us died?

In the event that MOST of the world population were wiped out in a plague / apocalypse that did not directly destroy infrastructure, just killed the people, how long would infrastructure like the p...

2 answers  ·  posted 7y ago by RogerB‭  ·  last activity 7y ago by RogerB‭

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Q&A Complete cloud coverage for 300 years

What would the weather conditions be like if earth was covered in a layer of clouds and pollution for 300+ years? there is still light in the day but it is minimal and the nights are pitch black. ...

3 answers  ·  posted 7y ago by Aziah97‭  ·  last activity 7y ago by Aziah97‭

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Q&A Asteroid Impact Details = Impact winter? how long & how severe?

My story is post-apocalyptic - takes place when they have put society back together again but in a new way. I'm flexible on when this takes place - could be 5 years later or 100 years later. For b...

1 answer  ·  posted 7y ago by K.M.B.‭  ·  last activity 7y ago by K.M.B.‭

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Q&A How large do storms need to be to wipe out a civilization, and how will society evolve afterwards?

For context I'm building a post apocalypse world that was in modern age before but storms and tsunamis wiped almost all civilizations off the planet. The question is how huge should civilization ...

4 answers  ·  posted 7y ago by political_worldbuilder‭  ·  last activity 7y ago by political_worldbuilder‭

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Q&A How to knock down humanity?

I'm looking for the perfect kind of apocalypse that not only can kill great parts of the people on Earth leaving the survivors spread in little primitive groups across the world ,but can also avoi...

17 answers  ·  posted 7y ago by Charon‭  ·  last activity 7y ago by Charon‭

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Q&A What would it be like living underneath a solar thermal tower in the middle of of post-apocalyptic city?

The premise for the the world I'm building is that the Superpowers of Earth lost an interplanetary war with the Colonies of Mars. As a result, most of Earth's governments have either collapsed or h...

2 answers  ·  posted 7y ago by D-Nate‭  ·  last activity 7y ago by D-Nate‭

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Rigorous Science Can you just wait out the heat death of the universe?

Okay, so the heat death of the universe is approaching. You can't stop it. You can't dodge it. What do you do? You wait it out. According to wikipedia, about $10^{{10}^{56}}$ years after the heat ...

5 answers  ·  posted 8y ago by PyRulez‭  ·  last activity 8y ago by PyRulez‭

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Rigorous Science How dark would an impact winter really be?

How dark would it be living in an impact winter? Where would an asteroid have to hit earth to cause an impact winter? gives a great breakdown of the effects of an impact winter, but I'd like to k...

1 answer  ·  posted 8y ago by socrates‭  ·  last activity 8y ago by socrates‭

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Q&A A Recent Mass Extinction--How Long Must Life Reel Itself Back In?

In our understanding of mass extinction and adaptive radiation, we have found that life can't and doesn't bounce back right away. They take time. It took life eight to ten million years to recove...

1 answer  ·  posted 8y ago by JohnWDailey‭  ·  last activity 8y ago by JohnWDailey‭

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Q&A 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 h...

2 answers  ·  posted 8y ago by JRover‭  ·  last activity 8y ago by JRover‭

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Q&A 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...

2 answers  ·  posted 8y ago by king of panes‭  ·  last activity 8y ago by king of panes‭

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Q&A How do I create a societal collapse with ruins, while the tech can make Ridiculously Human Military Androids?

How do I create a societal collapse with ruins, survivors, and the weaponry is back to pre-gunpowder technology (swords, shields, bows, etc.), while the Pre-Collapse tech can make Ridiculously Huma...

6 answers  ·  posted 8y ago by Malady‭  ·  last activity 8y ago by Malady‭

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Q&A 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 b...

3 answers  ·  posted 8y ago by Andrea Jens‭  ·  last activity 8y ago by Andrea Jens‭

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Q&A Aliens steal our trees

Aliens steal all our trees. Nothing else happened, just all the trees are gone. Everything not part of the tree was left where it was (apples are stolen, termites are not.) What would be the short...

2 answers  ·  posted 9y ago by PyRulez‭  ·  last activity 9y ago by PyRulez‭

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Q&A 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 fr...

1 answer  ·  posted 9y ago by PyRulez‭  ·  last activity 9y ago by PyRulez‭

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Q&A Where could Humanity live on Earth had LA Apocalypse not been resolved?

In the terrible movie LA Apocalypse the planet's core destabilized causing the fault lines to erupt, magma spilled out, earthquakes going every 5 minutes. Eventfully things were resolved by detonat...

1 answer  ·  posted 9y ago by Memor-X‭  ·  last activity 9y ago by Memor-X‭

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Q&A Can cities and homes stop being functional during an impact winter where the only option is move on?

Following up on this question, Would Living Underground during Impact Winter be Ideal, I realized I have more questions. I was asking about an impact winter that was caused by an asteroid and lead...

3 answers  ·  posted 9y ago by KaguraRap‭  ·  last activity 9y ago by KaguraRap‭

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Q&A How would the appearance of Earth from orbit change when it would be rendered uninhabitable?

Through extreme pollution and large-scale warfare with atomic, biological and chemical weapons Earth has become completely unable to sustain life. The atmosphere is toxic, the water undrinkable and...

6 answers  ·  posted 9y ago by Philipp‭  ·  last activity 9y ago by Philipp‭

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Q&A How long would a planet take to recover from a large asteroid impact?

As part of my world's planetary history, an asteroid impact has delivered a sizable quantity of a previously unknown metal to the planet Earth. By sizable I mean a deposit large enough to sustain a...

3 answers  ·  posted 9y ago by Weirdy_Beardy‭  ·  last activity 9y ago by Weirdy_Beardy‭

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Q&A Long-term ecological effects of a global (but strategic) thermonuclear war

I'm currently toying with a post-nuclear apocalypse, with most, if not all, human survivors living in underground bunkers or vaults, and probably away from previous population centers"”my test case...

1 answer  ·  posted 9y ago by Jeremy Avalon‭  ·  last activity 9y ago by Jeremy Avalon‭