Scientific Speculation - Posts tagged apocalypse

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Oh crap, it's 2020ad, and the Earth is about to explode! Can we make it to the stars?

9 answers · last activity 4 months ago by ‭manassehkatz‭

apocalypse space-colonization

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What could cause Earth to drift out of orbit over a period of months to years?

6 answers · last activity 5 months ago by ‭Canina‭

planets science-based apocalypse earth

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How would Humans change, or evolve, to being Domed for many thousands of years?

2 answers · last activity 5 months ago by ‭Hunt Castle‭

biology evolution humans apocalypse post-apocalypse

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If the Earth would break apart, how likely would the large debris stay in orbit?

2 answers · last activity 5 months ago by ‭SKKennell‭

reality-check gravity apocalypse post-apocalypse earth science-fiction alternate-earth

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What species will benefit most from humanity's having been here?

17 answers · last activity 5 months ago by ‭Henry Taylor‭

biology evolution apocalypse post-apocalypse

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Naturally altering the climate in order to create lush areas in a wasteland - Is it plausible, and if so how?

3 answers · last activity 6 months ago by ‭Yayguy‭

climate geography apocalypse post-apocalypse

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How Would I Believably Wipe Out an Entire Planet's Population and Culture Without Destroying Said Planet?

5 answers · last activity 7 months ago by ‭The Weasel Sagas‭

reality-check planets civilization apocalypse post-apocalypse death

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What conditions would be necessary to have all of the world's mainland animals be subjected to island gigantism?

3 answers · last activity 7 months ago by ‭Niobium_Sage‭

science-based fauna apocalypse post-apocalypse

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Could present-day humanity survive on Antarctica alone?

3 answers · last activity 8 months ago by ‭Tom Hosker‭

geography natural-resources apocalypse post-apocalypse

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How long can 400 people survive in an underground facility if they had to seal off their heat vents?

2 answers · last activity 8 months ago by ‭Pentallion‭

science-based apocalypse underground post-apocalypse survival

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Would it ever be theoretically possible for future humans to prevent the sun from increasing in luminosity to the point of killing all life?

3 answers · last activity 8 months ago by ‭Darien Springer‭

apocalypse science-fiction

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Post-apocalyptic aircraft

2 answers · last activity 9 months ago by ‭Cee Mon‭

physics technology apocalypse airships post-apocalypse materials ships air

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How plausible would it be for post-apocalyptic survivors to develop a mass psychosis/culture bound syndrome of seeing ghosts?

3 answers · last activity 10 months ago by ‭TidalPool‭

reality-check psychology apocalypse post-apocalypse

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Post- Nuclear Holocaust. Radioactive wastelands vs eco-system and chances of human survivability?

5 answers · last activity 10 months ago by ‭Nicky Pritchard‭

climate biology science-based apocalypse post-apocalypse climate-change nuclear nuclear-war

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Let's make a second Bible: Noel's Ark

5 answers · last activity 10 months ago by ‭RudolfJelin‭

reality-check science-based apocalypse

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What kind of event, if any, would knock the moon off its orbit, without destroying it?

9 answers · last activity 10 months ago by ‭guido‭

space moons orbital-mechanics apocalypse

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Need a North American location with a large city and whitewater river for post-apocalyptic fiction

4 answers · last activity 10 months ago by ‭CaseyKincade‭

climate geography cities apocalypse post-apocalypse climate-change

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Why can't our self-replicating message in a bottle stay in Sol?

4 answers · last activity 11 months ago by ‭Jay Lemmon‭

science-based apocalypse science-fiction

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What if the earth were physically split in half?

6 answers · last activity 11 months ago by ‭PyRulez‭

science-based apocalypse post-apocalypse earth

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How could a plague that killed off the dinosaurs come back?

22 answers · last activity 11 months ago by ‭Noble‭

biology science-based diseases apocalypse sea dinosaurs

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What survivable events would make Earth least inhabitable?

8 answers · last activity 11 months ago by ‭ben‭

science-based apocalypse survival

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Would sea levels drop in a Younger Dryas-type event?

2 answers · last activity 11 months ago by ‭ImpirrenRyRy‭

climate reality-check science-based apocalypse post-apocalypse climate-change

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Thunder Clap Armageddon

5 answers · last activity 11 months ago by ‭SkySpiral7‭

science-based apocalypse super-powers

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How long until land life can return after the impact?

2 answers · last activity 12 months ago by ‭neutralParadox‭

apocalypse natural-disasters post-apocalypse earth life

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Earth Exploding

4 answers · last activity 12 months ago by ‭TheNumberOne‭

space planets science-based apocalypse

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How deep would a bunker have to be to prevent significant radiation seep?

4 answers · last activity 12 months ago by ‭Gryphon‭

science-based apocalypse post-apocalypse

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The moon will fall to earth in 100 years, how fast is the asteroid that knocked it down?

4 answers · last activity 12 months ago by ‭Vogon Poet‭

moons apocalypse natural-disasters

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How to make vehicular combat viable in a Post Apocalyptic world?

14 answers · last activity almost 1 year ago by ‭Jimmery‭

science-based apocalypse post-apocalypse vehicles

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How might people try to stop the world becoming a rogue planet?

5 answers · last activity about 1 year ago by ‭Wiggo the Wookie‭

planets science-based apocalypse rogue-planets

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What disaster could wipe out civilisation worldwide, but allow for immediate rebuilding? What would be the side effects?

8 answers · last activity about 1 year ago by ‭savo‭

science-based apocalypse natural-disasters post-apocalypse science-fiction

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What would cause the land to "rise" in a future, post-apocalyptic world?

16 answers · last activity about 1 year ago by ‭Arwood‭

climate cities apocalypse post-apocalypse asteroids deserts

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How to safely construct deep underground harbors on a Snowball Earth?

2 answers · last activity about 1 year ago by ‭ak7‭

water underwater apocalypse underground post-apocalypse hydrodynamics ice

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What reason would a hidden, deep ocean society have to come up to the surface of a post-apocalyptic Earth and claim the land for themselves?

7 answers · last activity about 1 year ago by ‭Faz‭

environment water civilization underwater apocalypse post-apocalypse

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Can You Protect Yourself From Spores With A Bandana?

2 answers · last activity about 1 year ago by ‭Ely Miller‭

biology apocalypse post-apocalypse zombies

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Is this a plausible way for an alien organism to unwittingly cause a mass apocalypse on Earth?

2 answers · last activity about 1 year ago by ‭Faz‭

biology reality-check aliens apocalypse post-apocalypse viruses

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How much damage could a complete loss of technology cause?

3 answers · last activity about 1 year ago by ‭prushik‭

science-based technology apocalypse science-fiction

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Rapidly Spreading Disease Timeline - Fungus Based

1 answer · last activity about 1 year ago by ‭Nick Quillin‭

biology society science-based apocalypse post-apocalypse xenobiology

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How would falling buildings affect the earth?

1 answer · last activity about 1 year ago by ‭Comrade Mango‭

reality-check science-based apocalypse post-apocalypse engineering

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Possibile explanation for a [somewhat] realistic floating continent scenario?

2 answers · last activity about 1 year ago by ‭Dave Murdock‭

earth-like science-based apocalypse alternate-worlds post-apocalypse earth

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Post nuclear apocalypse fauna

2 answers · last activity over 1 year ago by ‭Dalila‭

environment biology science-based fauna apocalypse post-apocalypse

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How many people are necessary to maintain modern civilisation?

14 answers · last activity over 1 year ago by ‭user65791‭

society science-based civilization apocalypse population post-apocalypse

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What would be a realistic, competent response from the rest of the world if Britain were wiped out by a zombie virus?

9 answers · last activity over 1 year ago by ‭Kenny LJ‭

biology apocalypse post-apocalypse zombies

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Could human civilization live 150 years in a nuclear-powered aircraft carrier colony without resorting to mass killing/ cannibalism?

10 answers · last activity over 1 year ago by ‭Alex‭

society apocalypse food earth ocean

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What type of chemical catastrophic event might reduce the bioavailability of iron?

6 answers · last activity over 1 year ago by ‭AdamO‭

environment apocalypse post-apocalypse chemistry

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What dog breeds survive the apocalypse for generations?

7 answers · last activity over 1 year ago by ‭DT Cooper‭

fauna apocalypse post-apocalypse survival

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Deadly virus going extinct - "grey goo" a solution?

2 answers · last activity over 1 year ago by ‭System‭

biology reality-check apocalypse robots extinction

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How large would a mega structure have to be to host 1 billion people indefinitely?

7 answers · last activity over 1 year ago by ‭Alex‭

culture apocalypse population food earth agriculture

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Logical justification to wear black leather in the Post-Apot

10 answers · last activity over 1 year ago by ‭DT Cooper‭

climate reality-check apocalypse post-apocalypse deserts clothing

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Is a post-climate apocalypse city in which many or most insects have disappeared realistic?

4 answers · last activity over 1 year ago by ‭gumbiecat‭

climate reality-check science-based apocalypse post-apocalypse climate-change insects

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What could cause an entire planet of humans to become aphasic?

8 answers · last activity over 1 year ago by ‭Sarah Fitzsimmons‭

reality-check gravity apocalypse telepathy post-apocalypse science-fiction