Scientific Speculation

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Can velocity drift be used to calculate a radio wave source's distance from Earth?

4 answers · last activity 11 months ago by HDE 226868‭

astronomy radio

60%

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Cruelty Free Vampirism [closed]

6 answers · last activity 11 months ago by HDE 226868‭

biology society alternate-history vampires science-fiction

60%

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Does crossing a wormhole happen instantaneously, or with the course of time?

2 answers · last activity 11 months ago by ArtOfCode‭

science-based wormholes transportation

60%

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How could a bad random number generator explain baryon asymmetry?

3 answers · last activity 11 months ago by HDE 226868‭

science-based physics antimatter computers

60%

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Inverse orbital direction

2 answers · last activity 11 months ago by HDE 226868‭

planets orbital-mechanics

66%

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What if the Planck constant was exactly zero?

3 answers · last activity 11 months ago by HDE 226868‭

physics quantum

66%

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Could there be something like the Higgs field which gives particles their energy in a similar way to how the Higgs boson gives particles their mass?

1 answer · last activity 11 months ago by HDE 226868‭

science-based physics energy science-fiction quantum

60%

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Why do flying saucers have to spin while flying?

3 answers · last activity 11 months ago by HDE 226868‭

spaceships technology aliens flying-machines

71%

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What would the sky view be like of a final stage massive merged galaxy?

1 answer · last activity 11 months ago by HDE 226868‭

astronomy galactic

66%

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Do seasons occur on a tidally-locked planet?

4 answers · last activity 11 months ago by HDE 226868‭

astronomy planets seasons astrophysics tidally-locked

77%

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What Factors Could Cause a World to See "Northern" Lights Much Closer to the Equator?

4 answers · last activity 11 months ago by Canina‭

astronomy atmosphere

66%

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How long would a planet that losses its gravity take to break up?

1 answer · last activity 11 months ago by HDE 226868‭

physics gravity science-fiction

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

6 answers · last activity 11 months ago by Canina‭

planets science-based apocalypse earth

66%

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How can the Hertzsprung-Russell diagram be used in star building?

3 answers · last activity 11 months ago by HDE 226868‭

astronomy stars

60%

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What can I add to an oxygen/nitrogen atmosphere to make it unpalatable or poisonous to humans, yet stable and breathable to local creatures?

9 answers · last activity 11 months ago by Canina‭

earth-like atmosphere science-based oxygen chemistry

50%

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Anatomically Correct Mokèlé-mbèmbé

3 answers · last activity 11 months ago by Canina‭

biology reality-check evolution science-based creature-design

60%

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What would be different if a person has broader visual spectrum than normal

2 answers · last activity 11 months ago by Monica Cellio‭

society science-based humans vision

60%

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Anatomically Correct Vanara

2 answers · last activity 11 months ago by TGCF ‭

reality-check evolution science-based creature-design fantasy-races

50%

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If an ET has caramel blood, what it implies?

1 answer · last activity 11 months ago by raiden‭

biology science-based aliens creature-design xenobiology

50%

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What organs or modification needed to have tree that gain energy from lightning or electricity?

5 answers · last activity 11 months ago by Li Jun‭

biology science-based flora xenobiology plant-design

50%

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Would caves in general be practical lairs for a dragon?

1 answer · last activity 11 months ago by Mephistopheles‭

science-based dragons

50%

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How could the display technology of self-rewriting books work?

1 answer · last activity 11 months ago by Mephistopheles‭

science-based computers robots optics

50%

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Cons of Antimatter Weaponry

6 answers · last activity 11 months ago by Dawnfire‭

science-based antimatter power-sources weapon-mass-destruction science-fiction

60%

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Could my leviathans exist?

1 answer · last activity 11 months ago by icewar1908‭

biology reality-check evolution science-based creature-design

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Exclusively underground creature experiencing sun-light for the first-time

3 answers · last activity 11 months ago by Prahara‭

biology reality-check xenobiology

50%

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Water & Nutrient Cycle of an upside down forest

7 answers · last activity 11 months ago by Nosajimiki - Reinstate Monica‭

water flora megastructures gas soil water-cycle

50%

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Can a Slime run?

4 answers · last activity 11 months ago by Murray‭

biology science-based creature-design alternate-reality

50%

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

2 answers · last activity 11 months ago by Hunt Castle‭

biology evolution humans apocalypse post-apocalypse

50%

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What evolutionary pressures would lead to solitary hominids?

2 answers · last activity 11 months ago by icewar1908‭

biology evolution science-based races fantasy-races hominid

50%

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What anatomical changes would you need to get 1 ton ride-able rodent?

2 answers · last activity 11 months ago by Failus Maximus‭

biology domestication creature-design xenobiology anatomy

60%

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What needs to be changed about the plate tectonics of my world?

1 answer · last activity 11 months ago by devendoo‭

geography map-making tectonics

50%

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Could complex Precambrian life be possible?

1 answer · last activity 11 months ago by Daikyu Maryu‭

biology time science-fiction prehistoric-times life

50%

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How can my reptile like creature spray blood from its eyes containing Capsaicin?

2 answers · last activity 11 months ago by user3556983‭

science-based creature-design reptiles zoology

50%

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A creature with a built in flashlight

2 answers · last activity 11 months ago by Chickenpeep Chickenpeep‭

biology creature-design

50%

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

2 answers · last activity 11 months ago by SKKennell‭

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

60%

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Can a galaxy be formed from a black hole?

3 answers · last activity 11 months ago by 01e5Dk‭

space reality-check black-holes galactic

50%

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Could a Monotreme Griffin exist?

1 answer · last activity 11 months ago by icewar1908‭

biology reality-check evolution creature-design mythical-creatures

60%

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How feasible would gliders or the like be on a flat plain, with no cliffs to launch from?

6 answers · last activity 11 months ago by AlexT‭

science-based technology

50%

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Detection systems and trigger mechanism in a pre-electronic world?

5 answers · last activity 11 months ago by Trismegistus‭

technology engineering detection pneumatic

50%

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How can I expand the definition and some specifics of pyrokinesis?

6 answers · last activity 11 months ago by quarterEpsilon‭

physics temperature super-powers fire

50%

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With as much scientific accuracy as possible, how would chemicals injected in one's body be removed?

7 answers · last activity 11 months ago by scriptyshake‭

science-based chemistry science-fiction near-future dystopia biochemistry future

66%

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How large would be the habitable area in a tidally locked planet?

2 answers · last activity 11 months ago by Mister Onion‭

planets

50%

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Could special relativity be caused by aliens jamming the Solar System?

8 answers · last activity 11 months ago by o0'.‭

space travel science-based space-travel relativity

50%

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Could a creature use lightning/electricity as its energy supply?

1 answer · last activity 11 months ago by AlexT‭

biology science-based creature-design

50%

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Megamangrove Roots--Which Kind of Aerial Roots Would Best Support Their Large Size?

1 answer · last activity 11 months ago by JohnWDailey‭

science-based adaptability earth alternate-earth plant-design

50%

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Could Sharks Survive a Longer PETM?

1 answer · last activity 11 months ago by JohnWDailey‭

science-based adaptability time earth alternate-history history prehistoric-times alternate-earth

50%

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anatomy or musculature to achieve full rotate jaw?

7 answers · last activity 11 months ago by Li Jun‭

biology reality-check science-based creature-design anatomy

50%

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Could penguins evolve to have fingers?

1 answer · last activity 11 months ago by Thormind‭

biology evolution creature-design avian

50%

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To carry a person in its palm (like King Kong) how much pressure and at what speed would a kaiju need to apply?

2 answers · last activity 11 months ago by Luke Duffy‭

biology physics gravity kaiju

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recreational drug specifically for reptile?

2 answers · last activity 11 months ago by Li Jun‭

science-based reptiles pharmacology

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