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General Q&A about worldbuilding and other speculative developments that can be extrapolated from science.

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Activity Age Score Native Lottery
60%
+1 −0
How feasible would gliders or the like be on a flat plain, with no cliffs to launch from?

6 answers  ·  last activity about 1 month ago by AlexT

science-based technology
50%
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Could life similar to life on earth exist and evolve in a large enough region of timespace?

1 answer  ·  last activity about 2 months ago by Ichthys King

biology black-holes
50%
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A virus that can mutate a human body into having insane strength and dexterity

4 answers  ·  last activity about 2 months ago by Reaps

evolution zombies mutation mutants body-modification
50%
+0 −0
When earth is filled to the brim with plant-life, can it cause a hyperoxic environment?

3 answers  ·  last activity 2 months ago by chaeltom

environment climate planets flora climate-change
50%
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Could a creature using electromagnetic forces or something to do with ions fly?

2 answers  ·  last activity about 2 months ago by Chickenpeep Chickenpeep

science-based creature-design magnetism electromagnetism
50%
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Treating Postpartum Depression when Reproductive Mortality is ~100%?

2 answers  ·  last activity 2 months ago by Logan R. Kearsley

psychology aliens
50%
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Would caves in general be practical lairs for a dragon?

1 answer  ·  last activity about 1 month ago by Mephistopheles

science-based dragons
50%
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A practical ice beam (freezing / encasing an object)

3 answers  ·  last activity about 2 months ago by dinorider

science-based
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Would Chemosynthetic plants have any reason to grow tall?

4 answers  ·  last activity about 2 months ago by Chickenpeep Chickenpeep

science-based flora chemistry biochemistry
50%
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Could aliens from beyond the singularity of a rotating black hole survive and colonise regions of a normal universe?

2 answers  ·  last activity about 2 months ago by Ichthys King

space biology aliens colonization space-colonization time black-holes spacetime-dimensions xenobiology dimensions
60%
+1 −0
Roughly how long could an 'Oumuamua type object get?

2 answers  ·  last activity 3 months ago by Slarty

astronomy science-based gravity megastructures
50%
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How to handle transhumanism vs space colonization

4 answers  ·  last activity 3 months ago by Adam Reynolds

space science-based colonization intelligence space-colonization artificial-intelligence trans-humanism
50%
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Would the Oceans in This Map Be Freshwater?

2 answers  ·  last activity 3 months ago by JohnWDailey

geography science-based earth ocean alternate-earth
50%
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Rifle and Bullet Technology

3 answers  ·  last activity about 2 months ago by Csraves

reality-check science-based technological-development fire firearms
50%
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Landing on a new planet in Earth's near future, how long before they can reproduce the technology they came with?

2 answers  ·  last activity 3 months ago by John

space colonization space-colonization technological-development
71%
+3 −0
What would the sky view be like of a final stage massive merged galaxy?

1 answer  ·  last activity about 1 month ago by HDE 226868

astronomy galactic
50%
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Water & Nutrient Cycle of an upside down forest

7 answers  ·  last activity about 1 month ago by Nosajimiki - Reinstate Monica

water flora megastructures gas soil water-cycle
50%
+0 −0
Do chemicals from nuclear reprocessing waste remain radioactive? Are they flammable?

1 answer  ·  last activity 3 months ago by Julia

science-based science-fiction nuclear-power nuclear waste
50%
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Superfluid lifeform

1 answer  ·  last activity about 2 months ago by Nierninwa

biology reality-check physics astrophysics
50%
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How can a powerful acidic substance not break down inorganic material?

3 answers  ·  last activity 2 months ago by Incognito

biology reality-check
50%
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Distance from Jupiter to minimize destructive tidal forces

2 answers  ·  last activity 3 months ago by Carlos Zamora

planets science-based alternate-reality
80%
+6 −0
Would a huge amount of asteroids hitting Earth change its rotation speed or destroy the planet?

1 answer  ·  last activity 2 days ago by HDE 226868

asteroids earth
75%
+4 −0
Competently Mobile Photosynthetic Animal?

1 answer  ·  last activity 11 days ago by Cazadorro

biology science-based plant animal
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How quickly could a "shapeshifter" lose mass, realistically?

2 answers  ·  last activity about 2 months ago by Matthew

biology reality-check shapeshifters
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Are large meteor craters possible with the survival of most human society?

1 answer  ·  last activity 2 months ago by Cascader

reality-check science-based natural-disasters meteor
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Finding ways to robots feel pleasure

1 answer  ·  last activity 3 months ago by Guilherme Vogt

computers intelligence artificial-intelligence near-future robots android future
50%
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How large and compact could a cold east Mongolia-like steppe be on an Earth-sized planet?

1 answer  ·  last activity about 2 months ago by galactic_analyzer

earth-like climate planets geography earth
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Could triangular DNA exist?

2 answers  ·  last activity 3 months ago by Topcode

biology reality-check science-based genetics
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What if we created a race of humans specialized for islands?

3 answers  ·  last activity 2 months ago by Popplio Lover

biology evolution humans creature-design
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Why would the offspring of a clone not suffer from a degenerative illness?

6 answers  ·  last activity 4 months ago by Incognito

reality-check science-based
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Space-based black hole weapon effects

6 answers  ·  last activity 2 months ago by Demigan

reality-check science-based black-holes weapon-mass-destruction science-fiction
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Can mercury compounds be used in chemosynthesis?

1 answer  ·  last activity about 2 months ago by pg4919

biology reality-check creature-design chemistry biochemistry
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Can Earth be isolated from a settled Solar System?

4 answers  ·  last activity 4 months ago by Wax

science-based isolation earth kessler-syndrome
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What would happen if a black person used genetic modification to turn off the MC1R gene?

2 answers  ·  last activity 3 months ago by Sabrine Crystal Santos

biology genetics genetic-engineering engineering
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How long can a wooden door last?

2 answers  ·  last activity 3 months ago by Dylan B

earth-like reality-check science-based construction earth materials
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My characters have been killing the same demons over and over again. How come the demons never adapt to them?

16 answers  ·  last activity 3 months ago by Mephistopheles

science-based demons modern-age strategy
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Acid-spitting dragons

4 answers  ·  last activity 3 months ago by user3556983

fauna creature-design dragons zoology
50%
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Making the exoplanet with the most complicated seasons

2 answers  ·  last activity 3 months ago by aphid

planets science-based orbital-mechanics
50%
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Is it possible to retrofit white blood cells with neural network technology to fight infection?

2 answers  ·  last activity about 2 months ago by user6760

biology reality-check technology nanotechnology intelligence artificial-intelligence
50%
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Evolution of flying skulls?

3 answers  ·  last activity 3 months ago by bio

reality-check evolution fauna creature-design
50%
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can any animals (example dragons) can synthesise pyrophoric subtances and contain it in a special sac (like tert-butyllithium)?

2 answers  ·  last activity 3 months ago by user3556983

fauna creature-design dragons zoology
50%
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What does it look like inside a transparent glowing gas?

3 answers  ·  last activity 3 months ago by Ichthys King

atmosphere
60%
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Would Alcubierre Drive Technology Allow for Artificial Event Horizons?

1 answer  ·  last activity about 2 months ago by FlyingLemmingSoup

travel science-based technology faster-than-light space-travel science-fiction
50%
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How can elves prevent specialization among their species?

2 answers  ·  last activity 3 months ago by Incognito

biology society xenobiology
50%
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What FTL models are appropriate given my constraints?

5 answers  ·  last activity 3 months ago by John O

space travel faster-than-light space-travel light science-fiction
50%
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Weather with extreme seasons

1 answer  ·  last activity about 2 months ago by Jack Foisy

weather science-based
50%
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recreational drug specifically for reptile?

2 answers  ·  last activity about 1 month ago by Li Jun

science-based reptiles pharmacology
50%
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How much energy would be needed for a sentient plant species

1 answer  ·  last activity 2 months ago by RotNDecay

reality-check science-based flora
50%
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Exclusively underground creature experiencing sun-light for the first-time

3 answers  ·  last activity about 1 month ago by Prahara

biology reality-check xenobiology
50%
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Is a genetically modified human with a much higher height plausible?

2 answers  ·  last activity about 2 months ago by Popplio Lover

evolution humans
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