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Posts tagged reality-check

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2.3k posts
Tag Only Tag + Children
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Q&A Why would merfolk have hair?

21 answers  ·  last activity 7 months ago by PinoBatch‭

Question reality-check evolution creature-design merfolk hair
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Q&A Are geographically typed planets realistic?

5 answers  ·  last activity 7 months ago by Canina‭

Question reality-check planets geography
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Q&A Is this planet's atmosphere stable and reasonable, and anything to keep in mind for lifeforms living in it?

3 answers  ·  last activity 7 months ago by Canina‭

Question atmosphere reality-check
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Q&A Earth where all of Equidae went extinct via Ice Age... - Effects

3 answers  ·  last activity 7 months ago by PinoBatch‭

Question reality-check science-based fauna
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Q&A Anatomically Correct Mokèlé-mbèmbé

3 answers  ·  last activity 8 months ago by Canina‭

Question biology reality-check evolution science-based creature-design
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Q&A Anatomically Correct Vanara

2 answers  ·  last activity 8 months ago by TGCF ‭

Question reality-check evolution science-based creature-design fantasy-races
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Q&A Could my leviathans exist?

1 answer  ·  last activity 8 months ago by icewar1908‭

Question biology reality-check evolution science-based creature-design
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Q&A Exclusively underground creature experiencing sun-light for the first-time

3 answers  ·  last activity 8 months ago by Prahara‭

Question biology reality-check xenobiology
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Q&A If the Earth would break apart, how likely would the large debris stay in orbit?

2 answers  ·  last activity 8 months ago by SKKennell‭

Question reality-check gravity apocalypse post-apocalypse earth science-fiction alternate-earth
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Q&A Can a galaxy be formed from a black hole?

3 answers  ·  last activity 8 months ago by 01e5Dk‭

Question space reality-check black-holes galactic
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Q&A Could a Monotreme Griffin exist?

1 answer  ·  last activity 8 months ago by icewar1908‭

Question biology reality-check evolution creature-design mythical-creatures
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Q&A Alternative evolution mechanisms using cell fusion

1 answer  ·  last activity 8 months ago by LDR‭

Question biology reality-check evolution
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Q&A anatomy or musculature to achieve full rotate jaw?

7 answers  ·  last activity 8 months ago by Li Jun‭

Question biology reality-check science-based creature-design anatomy
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Q&A biologically or anatomically is there a problem with this type of double mouth or jaws?

5 answers  ·  last activity 8 months ago by Li Jun‭

Question biology reality-check science-based creature-design anatomy
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Q&A What would encourage multiple animal species to evolve human features simultaneously?

8 answers  ·  last activity 8 months ago by Lizardsaurus‭

Question reality-check evolution genetic-engineering engineering ecology far-future future
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Q&A Are these traits for my planet mathematically accurate? Could it support life?

2 answers  ·  last activity 8 months ago by Praearcturus‭

Question reality-check planets science-based habitability
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Q&A Could we build a roof over the Grand Canyon?

2 answers  ·  last activity 8 months ago by Appleguysnake‭

Question reality-check science-based technology engineering
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Q&A Proportions of a giant humanoid?

2 answers  ·  last activity 8 months ago by Praearcturus‭

Question biology reality-check science-based anatomy humanoid
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Q&A Feasibility of six inch space-faring aliens

3 answers  ·  last activity 8 months ago by RotNDecay‭

Question biology reality-check science-based
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Q&A Could time travelers go back in time and help teach homonids how to build a civilization?

1 answer  ·  last activity 8 months ago by Pierre ‭

Question reality-check evolution science-based
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Q&A How large could an aquatic humanoid get?

1 answer  ·  last activity 8 months ago by Praearcturus‭

Question reality-check science-based creature-design sea sea-creatures humanoid
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Q&A Alcubierre Drive without FTL?

5 answers  ·  last activity 8 months ago by Tim McClelland‭

Question space travel reality-check space-travel
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Q&A Cylindrical radiators on spacecraft?

2 answers  ·  last activity 8 months ago by zertofi‭

Question space travel reality-check spaceships space-travel ships science-fiction
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Q&A How feasible would non-jawed vertebrates be on land?

2 answers  ·  last activity 8 months ago by syrus2010‭

Question reality-check evolution science-based creature-design
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Q&A With dunkle-like Jaws, how long could the neck be?

3 answers  ·  last activity 8 months ago by ProjectApex‭

Question biology reality-check evolution aliens xenobiology
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Q&A Can one (re)learn empathy if they have the necessary structures?

2 answers  ·  last activity 9 months ago by ProjectApex‭

Question reality-check psychology
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Q&A Rifle and Bullet Technology

3 answers  ·  last activity 9 months ago by Csraves ‭

Question reality-check science-based technological-development fire firearms
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Q&A A clothing material or other method to slow free-fall descent down walls

23 answers  ·  last activity 9 months ago by Delirium‭

Question reality-check physics technology materials science-fiction
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Q&A How Would I Make an Oceanless World Feasible?

8 answers  ·  last activity 9 months ago by The Weasel Sagas‭

Question climate weather reality-check planets habitability
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Q&A Superfluid lifeform

1 answer  ·  last activity 9 months ago by Nierninwa‭

Question biology reality-check physics astrophysics
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Q&A How quickly could a "shapeshifter" lose mass, realistically?

2 answers  ·  last activity 9 months ago by Matthew‭

Question biology reality-check shapeshifters
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Q&A Are 'tree waterfalls' possible?

15 answers  ·  last activity 9 months ago by Vigilant‭

Question reality-check geography water
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Q&A Is it possible to retrofit white blood cells with neural network technology to fight infection?

2 answers  ·  last activity 9 months ago by user6760‭

Question biology reality-check technology nanotechnology intelligence artificial-intelligence
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Q&A Could a metal be indefinitely stained by human blood?

2 answers  ·  last activity 9 months ago by Felix Icarus‭

Question reality-check science-based metals
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Q&A Can mercury compounds be used in chemosynthesis?

1 answer  ·  last activity 9 months ago by pg4919‭

Question biology reality-check creature-design chemistry biochemistry
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Q&A Is it possible for a moon to stay on the same side of its planet relative to the sun?

3 answers  ·  last activity 9 months ago by LonelyCryptid‭

Question earth-like reality-check moons orbital-mechanics earth gas-giants gas
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Q&A Space station scenario feasibility

4 answers  ·  last activity 9 months ago by Prahara‭

Question space reality-check space-constructs
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Q&A Space-based black hole weapon effects

6 answers  ·  last activity 9 months ago by Demigan‭

Question reality-check science-based black-holes weapon-mass-destruction science-fiction
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Q&A Infinite endurance

6 answers  ·  last activity 9 months ago by Kyu‭

Question reality-check science-based creature-design
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Q&A How can a powerful acidic substance not break down inorganic material?

3 answers  ·  last activity 9 months ago by Incognito‭

Question biology reality-check
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Q&A Are large meteor craters possible with the survival of most human society?

1 answer  ·  last activity 9 months ago by Cascader‭

Question reality-check science-based natural-disasters meteor
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Q&A Inducing hallucinations to attract prey

2 answers  ·  last activity 9 months ago by Kyu‭

Question reality-check science-based creature-design
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Q&A Temperatures on an Earth with a week-long rotational period

2 answers  ·  last activity 9 months ago by Ryan Williamson‭

Question climate reality-check planets
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Q&A What will the abdominal muscles of non-primate humanoids look like?

2 answers  ·  last activity 9 months ago by Pierre ‭

Question biology reality-check evolution science-based
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Q&A Is my planet realistic?

4 answers  ·  last activity 9 months ago by LonelyCryptid‭

Question reality-check planets solar-system
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Q&A Creature that increases its own lifespan by killing other animals

1 answer  ·  last activity 9 months ago by Kay‭

Question reality-check creature-design immortality anatomy anatomically-correct
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Q&A Net shift of humans towards introversion?

2 answers  ·  last activity 9 months ago by subdermatoglyphic‭

Question reality-check society science-based psychology humans
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Q&A How much energy would be needed for a sentient plant species

1 answer  ·  last activity 9 months ago by RotNDecay‭

Question reality-check science-based flora
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Q&A Would it be possible to build numerous spaceships that could transport 10 million people in the late 2100's?

2 answers  ·  last activity 9 months ago by Niobium_Sage‭

Question space travel reality-check spaceships space-travel food space-constructs ships
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Q&A Could a "multicellular" virus exist?

6 answers  ·  last activity 9 months ago by Topcode‭

Question reality-check science-based fauna creature-design viruses
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