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Posts tagged alternate-history

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101 posts
Tag Only Tag + Children
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Q&A Cruelty Free Vampirism [closed]

6 answers  ·  last activity 8 months ago by HDE 226868‭

Question biology society alternate-history vampires science-fiction
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Q&A Could Sharks Survive a Longer PETM?

1 answer  ·  last activity 8 months ago by JohnWDailey‭

Question science-based adaptability time earth alternate-history history prehistoric-times alternate-earth
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Q&A How would the Politburo respond to Project A119?

3 answers  ·  last activity 9 months ago by Jem‭

Question space alternate-history history nuclear
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Q&A Would a Longer PETM Save the Creodonts and the Mesonychians?

3 answers  ·  last activity 9 months ago by JohnWDailey‭

Question evolution adaptability earth alternate-history history mammals alternate-earth
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Q&A How can I prevent the invention of skyscrapers?

27 answers  ·  last activity 9 months ago by subdermatoglyphic‭

Question society science-based cities alternate-history history infrastructure
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Q&A Could Meridiungulates Colonize The World Before the Opening of Panama?

1 answer  ·  last activity 9 months ago by JohnWDailey‭

Question evolution science-based alternate-history history mammals
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Q&A How CAN a Wyvern be a Scansoriopterygid Dinosaur?

1 answer  ·  last activity 10 months ago by JohnWDailey‭

Question science-based adaptability dragons alternate-history history dinosaurs
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Q&A How Different Would the Outcome of the Fall of the Dinosaur Empire Be if Chicxulub Hit at a Different Season?

1 answer  ·  last activity 10 months ago by JohnWDailey‭

Question science-based time alternate-history history prehistoric-times extinction
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Q&A How do I stop Megalodon from going extinct?

3 answers  ·  last activity 11 months ago by icewar1908‭

Question environment science-based alternate-history history ecology extinction
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Q&A Would human civilization develop at a slower pace if Earth was 5.8x larger?

11 answers  ·  last activity 11 months ago by JordanTheCynic‭

Question earth alternate-history history alternate-reality alternate-earth
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Q&A Could a Greater Relative Abundance of Tin Extend a Bronze Age?

1 answer  ·  last activity 11 months ago by NixonCranium‭

Question reality-check geology alternate-history history materials bronze-age
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Q&A Earliest viable modern battery

4 answers  ·  last activity 11 months ago by Ucinorn‭

Question science-based technology technological-development alternate-history history
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Q&A Fantasy and the germ theory

6 answers  ·  last activity 11 months ago by Austin Trigloff‭

Question biology society alternate-history medicine history science-in-society
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Q&A How do I preserve the Megafauna in my world?

4 answers  ·  last activity 12 months ago by icewar1908‭

Question biology reality-check alternate-history history
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Q&A Would common people in central Europe in the 15th century notice that the whole Asia disappeared?

19 answers  ·  last activity 12 months ago by TGar‭

Question earth-like geography earth alternate-history history
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Q&A Would it be possible for neanderthals to not go extinct, and perhaps build their own nation?

3 answers  ·  last activity 12 months ago by bigboi‭

Question reality-check science-based humans alternate-history history
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Q&A What did the night sky look like 63 million years ago?

3 answers  ·  last activity about 1 year ago by fluffy‭

Question astronomy orbital-mechanics natural-disasters alternate-history history
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Q&A What would Europe look like if Chernobyl exploded?

4 answers  ·  last activity about 1 year ago by Marcello Fabrizio‭

Question science-based alternate-history history
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Q&A what essential material or ingredients in modern gunpowder that if changed to be expensive or rare, can ruin the evolution of advance/modern gun?

1 answer  ·  last activity about 1 year ago by Li Jun‭

Question science-based alternate-history history materials chemistry alternate-reality
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Q&A How Could a Scientist Intentionally Discover Penicillin

4 answers  ·  last activity about 1 year ago by GentlemanS‭

Question science-based alternate-history history
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Q&A Can agriculture and megafauna coexist?

2 answers  ·  last activity about 1 year ago by M Arif Rahman Winandar‭

Question culture fauna alternate-history agriculture history
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Q&A How would a lack of smokeless propellant affect WW1?

3 answers  ·  last activity about 1 year ago by Catgut‭

Question science-based alternate-history history fire firearms
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Q&A If humans evolved on Mars instead of Earth, how quickly would we have detected life on Earth?

2 answers  ·  last activity over 1 year ago by Bridgeburners‭

Question astronomy planets alternate-history history life
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Q&A Will the Dinosaur Empire Still Stand Strong If Chicxulub Hit Earth at the End of the Jurassic?

2 answers  ·  last activity over 1 year ago by JohnWDailey‭

Question science-based adaptability earth alternate-history history dinosaurs alternate-earth
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Q&A What are the most important factors in determining how fast technology progresses?

12 answers  ·  last activity over 1 year ago by Slarty‭

Question society science-based technology alternate-history history
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Q&A Would evolution happen the same exact way if Earth restarted?

17 answers  ·  last activity over 1 year ago by Braeden‭

Question biology evolution earth alternate-history history
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Q&A Would a steam powered plane be able to cross the Atlantic ocean?

15 answers  ·  last activity over 1 year ago by Slarty‭

Question reality-check science-based technology flight alternate-history light history
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Q&A Maintaining a Moon Suit

3 answers  ·  last activity over 1 year ago by o.m.‭

Question space reality-check alternate-history history
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Q&A Preserving the mammoth steppe

3 answers  ·  last activity over 1 year ago by SealBoi‭

Question environment climate geography alternate-history history climate-change
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Q&A Could Bamboos Evolve Into Trees In the Past?

4 answers  ·  last activity over 1 year ago by JohnWDailey‭

Question environment evolution flora alternate-history history
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Q&A Could a split cycle intercooled flamelicker have been a viable power source?

1 answer  ·  last activity over 1 year ago by tobe‭

Question reality-check technology alternate-history history engineering
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Q&A Could Xenarthrans Be Ferried Outside South America?

2 answers  ·  last activity over 1 year ago by JohnWDailey‭

Question reality-check evolution currents alternate-history history mammals
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Q&A What is the earliest time a pulsejet could be built?

5 answers  ·  last activity almost 2 years ago by Eth‭

Question science-based alternate-history history flying-machines
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Q&A Minimum tech level to invent core memory

1 answer  ·  last activity almost 2 years ago by rwallace‭

Question science-based computers technological-development alternate-history history
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Q&A Anal Retentiveness in a tribal nomadic society - why would it be advantageous?

4 answers  ·  last activity almost 2 years ago by chasly from UK‭

Question travel biology alternate-history history social-norms
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Q&A Aliens englobed the Solar System: will we notice?

8 answers  ·  last activity almost 2 years ago by BMF For Monica‭

Question reality-check science-based alternate-history history
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Q&A In the late 1940's to early 1950's what technology was available that could melt a LOT of ice?

12 answers  ·  last activity almost 2 years ago by Niobium_Sage‭

Question environment reality-check science-based technology alternate-history history
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Q&A Alternate aircraft configurations - would any of them be valid substitutes for conventional tailplanes?

2 answers  ·  last activity almost 2 years ago by Thesaurus Rex‭

Question science-based technology flight alternate-history light history aircraft air
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Q&A Can-and-String Telecommunications Network - Repeaters and Amplifiers

5 answers  ·  last activity almost 2 years ago by chasly from UK‭

Question science-based steampunk alternate-history history
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Q&A What kind of engine could the 14-15th century world create?

1 answer  ·  last activity almost 2 years ago by Eric clifford‭

Question technology alternate-history history engineering pre-industrial
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Q&A Is a Selective Breeding Program to Create Enhanced Humans Plausible?

7 answers  ·  last activity about 2 years ago by Obelisk‭

Question biology reality-check science-based alternate-history history eugenics
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Q&A Counteracting Perverse Incentive effects in 1902 Hanoi rat population

1 answer  ·  last activity about 2 years ago by chasly from UK‭

Question population alternate-history
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Q&A If clock and calendar was reinvented with today's knowledge, what could they look like?

9 answers  ·  last activity about 2 years ago by The Vee‭

Question science-based culture time-keeping time alternate-history history
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Q&A How Would a Filter-Feeding Marine Turtle Feed?

2 answers  ·  last activity about 2 years ago by JohnWDailey‭

Question biology alternate-history reptiles history behaviour
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Q&A Could Multicellular Life Evolve Sans Cryogenian?

3 answers  ·  last activity about 2 years ago by JohnWDailey‭

Question evolution science-based alternate-history alternate-earth
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Q&A Could people of the 14th century create an inline engine for use in aircraft and vehicles?

5 answers  ·  last activity about 2 years ago by Eric clifford‭

Question science-based technology steampunk alternate-history history science-fiction
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Q&A Space Age without Enlightenment?

4 answers  ·  last activity about 2 years ago by Imperator‭

Question space travel spaceships space-travel alternate-history history ships
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Q&A Making a Plague Worse?

3 answers  ·  last activity about 2 years ago by Arkenstein XII‭

Question biology evolution diseases alternate-history sea history
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Q&A History without resource driven wars

1 answer  ·  last activity over 2 years ago by System‭

Question biology reality-check psychology humans alternate-history history
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Q&A What would a medieval steam locomotive look like?

2 answers  ·  last activity over 2 years ago by ThunderWazp‭

Question reality-check science-based technology alternate-history history
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