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

10.5k posts · Subscribe
Activity Age Score Native Random
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How/why could dragons develop six limbs?

3 answers  ·  last activity about 1 year ago by Puck‭

science-based creature-design
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How can elves prevent specialization among their species?

2 answers  ·  last activity about 1 year ago by Incognito‭

biology society xenobiology
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Building an interstellar starship during transit

5 answers  ·  last activity about 1 year ago by Adam Reynolds‭

space travel reality-check spaceships space-travel ships
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Could my Triclops exist?

1 answer  ·  last activity about 1 year ago by icewar1908‭

biology evolution science-based creature-design mythical-creatures
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Effect of Prolonged Egg Diapause on Species

2 answers  ·  last activity about 1 year ago by Thalassan‭

biology genetics
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Could a red tree exist?

6 answers  ·  last activity about 1 year ago by RotNDecay‭

environment biology science-based
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Could Long, Dense Walls of "Megamangroves" Deflect The Deadliest of Storms?

1 answer  ·  last activity about 1 year ago by JohnWDailey‭

weather science-based flora earth alternate-earth
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Time reversal by the means of lightspeed

1 answer  ·  last activity about 1 year ago by El El‭

space travel spaceships time-travel time ships
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Can we safe FTL from paradoxes by using a Multiverse?

5 answers  ·  last activity about 1 year ago by mart‭

science-based faster-than-light light
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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 about 1 year ago by Niobium_Sage‭

science-based fauna apocalypse post-apocalypse
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Stability in Lowering a Space Elevator

1 answer  ·  last activity about 1 year ago by Rusty‭

space reality-check science-based physics space-elevators
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What technologies could be made with the manipulation of quarks?

1 answer  ·  last activity about 1 year ago by Shawn‭

science-based technology nanotechnology science-fiction
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Is it theoreticaly possible to phase shift between alternate universe and/or realities?

3 answers  ·  last activity about 1 year ago by Hewholooksskyward‭

space science-based physics technology science-fiction
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How could an iceberg be created quickly?

2 answers  ·  last activity about 1 year ago by George Brewington‭

science-based physics technology chemistry
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Methods for melting metals in space

3 answers  ·  last activity about 1 year ago by Daikael‭

space science-based technology metalworking
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Can an animal develop a facial disk through muscle and bone alone?

1 answer  ·  last activity about 1 year ago by ProjectApex‭

biology reality-check evolution science-based xenobiology
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How big does a pelican type creature need to be to carry a grown up human inside its mouth and still fly?

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

biology reality-check physics creature-design xenobiology
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How do I get strong storms on a slow rotator

1 answer  ·  last activity about 1 year ago by Aezyc‭

climate weather
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Magnetic sail on rotating ship

2 answers  ·  last activity about 1 year ago by Adam Reynolds‭

space science-based spaceships generation-ships magnetism ships electromagnetism
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Biology behind a monster that is able to remain invisible

3 answers  ·  last activity about 1 year ago by Space_Cadet‭

biology reality-check creature-design xenobiology
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Anatomically Correct Diclonius

1 answer  ·  last activity about 1 year ago by Arbiter Elegante‭

biology reality-check evolution creature-design
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Biological reason for organically formed crystals in or outside of body

2 answers  ·  last activity about 1 year ago by Mark Gardner‭

biology xenobiology
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How to prevent people from ever using the Founder Titan again without rendering it inoperable?

2 answers  ·  last activity about 1 year ago by Mephistopheles‭

science-based robots security
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is it possible for creature to have loose jaw like snake but also has enough bite strength to bit off big chunk like most predator or human do?

4 answers  ·  last activity about 1 year ago by Li Jun‭

biology reality-check science-based creature-design xenobiology
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Could a species be able to be impregnated by anything?

3 answers  ·  last activity about 1 year ago by FelisMiscellaneous‭

biology aliens reproduction genetics xenobiology
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Procedurally generating a galaxy's worth of names

2 answers  ·  last activity about 1 year ago by rek‭

science-based mathematics terminology names
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If it could be shaped, would chitin from giant insects make decent body armor?

6 answers  ·  last activity about 1 year ago by Arvex‭

biology armors low-fantasy
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What, visually, would a hole bored in the moon look like?

1 answer  ·  last activity about 1 year ago by Joe Bernstein‭

space astronomy
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Can the color of an alien sky be calculated solely from atmospheric composition and the star's (or stars') spectral type(s)?

1 answer  ·  last activity about 1 year ago by John O‭

atmosphere science-based stars colors
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Could a Species Survive Getting Nutrition Only by Smelling Things?

5 answers  ·  last activity about 1 year ago by Capillary Cumorah ‭

science-based creature-design mythical-creatures food mythology
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A sound reason for vampires to be weak to sunlight?

3 answers  ·  last activity about 1 year ago by Mephistopheles‭

science-based chemistry vampires biochemistry
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Without modern electronics, how could you determine your longitude, latitude, and altitude while lost deep underground?

12 answers  ·  last activity about 1 year ago by possiblySerious‭

reality-check science-based caves underground navigation
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Planning intra-city public air transport

4 answers  ·  last activity about 1 year ago by PentalimbedP‭

science-based cities transportation aircraft transport air
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Alternatives to amino acids

3 answers  ·  last activity about 1 year ago by Aezyc‭

biology chemistry xenobiology biochemistry
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How could dragons use their forepaws as hands?

2 answers  ·  last activity about 1 year ago by Mephistopheles‭

science-based dragons bio-mechanics
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How to prevent ship's AI from initiating self destruct sequence regardless of captain's permission?

2 answers  ·  last activity about 1 year ago by user6760‭

space spaceships technology intelligence artificial-intelligence explosions ships
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What attributes can fathers pass on through their spirit?

4 answers  ·  last activity about 1 year ago by Incognito‭

biology society culture
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What Adaptation would Humans in a Volcanic Underworld Develop?

2 answers  ·  last activity about 1 year ago by James McLellan‭

evolution science-based adaptability
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How do you explain a "brooder" sex evolutionarily?

3 answers  ·  last activity about 1 year ago by Ettina Kitten‭

biology evolution races fantasy-races xenobiology
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How could an ability to project fire from your body occur plausibly?

1 answer  ·  last activity about 1 year ago by DEMI‭

biology physics super-powers mutation
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What abnormalities can result from long term cryogenic preservation?

1 answer  ·  last activity about 1 year ago by Incognito‭

science-based genetics evil
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How CAN a Wyvern be a Scansoriopterygid Dinosaur?

1 answer  ·  last activity about 1 year ago by JohnWDailey‭

science-based adaptability dragons alternate-history history dinosaurs
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Can Earth be isolated from a settled Solar System?

4 answers  ·  last activity about 1 year ago by Wax‭

science-based isolation earth kessler-syndrome
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Dragons and fall damage

2 answers  ·  last activity about 1 year ago by Mephistopheles‭

science-based dragons
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2 elbowed forelimbs: advantageous or detrimental?

6 answers  ·  last activity about 1 year ago by ProjectApex‭

biology reality-check evolution creature-design xenobiology anatomy
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Mechanics and structure for an artificial giant creature?

1 answer  ·  last activity about 1 year ago by RandySavage‭

materials robots engineering
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How would a species be unable to produce steel?

21 answers  ·  last activity about 1 year ago by SealBoi‭

biology science-based races fantasy-races metalworking
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Temple fell down sinkhole in mining area, toxic gases

1 answer  ·  last activity about 1 year ago by geneaux‭

reality-check geology
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Without powered greenhouses or trade, what's the coldest possible climate for a sustainable nation?

1 answer  ·  last activity about 1 year ago by Mae‭

environment science-based fauna flora
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What is the most effective location for spinnerets in a vertebrate?

2 answers  ·  last activity about 1 year ago by ProjectApex‭

reality-check evolution aliens anatomy
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