Scientific Speculation

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Science of Green Lantern and solid light constructs

1 answer · posted over 2 years ago by Strivs‭ · last activity over 2 years ago by Strivs‭

space reality-check space-constructs super-powers light science-fiction

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Navigating in a Subsurface Ocean

2 answers · posted over 2 years ago by CAE Jones‭ · last activity over 2 years ago by CAE Jones‭

water underwater navigation

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How Would Hominids Evolve to a Mountain Environment

1 answer · posted over 2 years ago by Capillary Cumorah ‭ · last activity over 2 years ago by Capillary Cumorah ‭

environment climate mountains biology evolution xenobiology

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What adaptations would a hominid need to survive in Antarctica?

3 answers · posted over 2 years ago by icewar1908‭ · last activity over 2 years ago by icewar1908‭

biology evolution hominid

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Why would an AI only give limited information to humans?

19 answers · posted over 2 years ago by Adam Reynolds‭ · last activity over 2 years ago by Adam Reynolds‭

psychology intelligence artificial-intelligence

60%

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Roughly how long could an 'Oumuamua type object get?

2 answers · posted over 2 years ago by Slarty‭ · last activity over 2 years ago by Slarty‭

astronomy gravity megastructures

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What FTL models are appropriate given my constraints?

5 answers · posted over 2 years ago by John O‭ · last activity over 2 years ago by John O‭

space travel faster-than-light space-travel light science-fiction

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what modifications or methods need for flying monster to withstand thunderstorm?

2 answers · posted over 2 years ago by Li Jun‭ · last activity over 2 years ago by Li Jun‭

biology xenobiology anatomy natural-defenses

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Why would a tree species grow very large in what is a very windy environment?

5 answers · posted over 2 years ago by bio‭ · last activity over 2 years ago by bio‭

biology flora plant-design

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Psychological Development of Children and Adolescents Under Accelerated Time

1 answer · posted over 2 years ago by Necrikus‭ · last activity over 2 years ago by Necrikus‭

biology psychology

50%

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What might be the climate inside a "sky abyss" on a tidally locked planet?

1 answer · posted over 2 years ago by Monsieur Nauru‭ · last activity over 2 years ago by Monsieur Nauru‭

climate biology tidally-locked

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How long can a wooden door last?

2 answers · posted over 2 years ago by Dylan B‭ · last activity over 2 years ago by Dylan B‭

earth-like reality-check construction earth materials

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Plausible propulsion methods given a virtually infinite electric power source

3 answers · posted over 2 years ago by if9y4d‭ · last activity over 2 years ago by if9y4d‭

energy propulsion

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Would sound shifts be severe enough for two dialects to be mutually unintelligible after 400 years of no verbal contact?

2 answers · posted over 2 years ago by galactic_analyzer‭ · last activity over 2 years ago by galactic_analyzer‭

space culture communication colonization space-colonization language

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Would a life-bearing Earth-like world with 3g average gravity produce more or fewer flying creatures than Earth?

2 answers · posted over 2 years ago by James Grossmann‭ · last activity over 2 years ago by James Grossmann‭

biology planets gravity creature-design flight light xenobiology

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What's a possible justification for Giants not taking over the world?

1 answer · posted over 2 years ago by icewar1908‭ · last activity over 2 years ago by icewar1908‭

biology society races fantasy-races

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What environment would Giants be best adapted for?

3 answers · posted over 2 years ago by icewar1908‭ · last activity over 2 years ago by icewar1908‭

environment races fantasy-races

50%

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How can I estimate the maximum mass that can be safely handled in low to no g?

5 answers · posted over 2 years ago by Joe Bloggs‭ · last activity over 2 years ago by Joe Bloggs‭

space travel space-travel safety

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Distance from Jupiter to minimize destructive tidal forces

2 answers · posted over 2 years ago by Carlos Zamora‭ · last activity over 2 years ago by Carlos Zamora‭

planets alternate-reality

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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 · posted over 2 years ago by Mephistopheles‭ · last activity over 2 years ago by Mephistopheles‭

demons modern-age strategy

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Could an Ice Age Extinction Wipe Out All Marsupials?

2 answers · posted over 2 years ago by JohnWDailey‭ · last activity over 2 years ago by JohnWDailey‭

earth mammals extinction alternate-earth

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How do I explain the evolution of slug people?

1 answer · posted over 2 years ago by Pierre ‭ · last activity over 2 years ago by Pierre ‭

creature-design science-fiction

50%

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Humanoid Bioweapon: what can stay and what has to go?

4 answers · posted over 2 years ago by ProjectApex‭ · last activity over 2 years ago by ProjectApex‭

biology aliens creature-design xenobiology

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Can a perpetually darkening atmosphere exist and yet still allow life to evolve?

3 answers · posted over 2 years ago by QUESTER42‭ · last activity over 2 years ago by QUESTER42‭

biology atmosphere planets xenobiology

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What would a piece of the ocean floor look like if raised to surface level and left for a few thousand years?

3 answers · posted over 2 years ago by adaliabooks‭ · last activity over 2 years ago by adaliabooks‭

geography

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How did aliens on a habitable planet hide themselves during the recon and scouting stage by human colonists?

12 answers · posted over 2 years ago by Faz‭ · last activity over 2 years ago by Faz‭

space travel biology planets space-travel xenobiology

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Harmless spitting snakes

5 answers · posted over 2 years ago by user3556983‭ · last activity over 2 years ago by user3556983‭

fauna creature-design zoology

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How would pinchers have to evolve to better manipulate tools?

4 answers · posted over 2 years ago by Johnara‭ · last activity over 2 years ago by Johnara‭

biology evolution

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Antimatter filled buckyballs - The energy storage medium of the future

1 answer · posted over 2 years ago by Samwise‭ · last activity over 2 years ago by Samwise‭

antimatter energy

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Could co-orbital planets also be double planets?

2 answers · posted over 2 years ago by Axion‭ · last activity over 2 years ago by Axion‭

space physics orbital-mechanics astrophysics

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How to monitor oxygen levels with medieval oxygen sphere

2 answers · posted over 2 years ago by Daniel Hicks‭ · last activity over 2 years ago by Daniel Hicks‭

reality-check

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Solar expansion and habitability

3 answers · posted over 2 years ago by Dee‭ · last activity over 2 years ago by Dee‭

space solar-system colonization space-colonization science-fiction

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Building a spaceship alone in the wilderness

11 answers · posted over 2 years ago by TCC‭ · last activity over 2 years ago by TCC‭

space travel reality-check space-travel space-constructs technological-development

50%

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World with frequent lunar eclipses?

4 answers · posted over 2 years ago by DVNO‭ · last activity over 2 years ago by DVNO‭

reality-check moons eclipses

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Is there a way for someone to be un-cloneable?

20 answers · posted over 2 years ago by Rhysing‭ · last activity over 2 years ago by Rhysing‭

science-fiction cloning

50%

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Plate tectonics required to create a area where the land "grows" very rapidly, very often?

1 answer · posted over 2 years ago by nighthawk‭ · last activity over 2 years ago by nighthawk‭

geology

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How large could sea creatures grow on a terraformed Ganymede?

1 answer · posted over 2 years ago by Wax‭ · last activity over 2 years ago by Wax‭

biology evolution water gravity underwater sea sea-creatures

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Could yet unobserved baryons constitute useful building materials?

4 answers · posted over 2 years ago by Vincent‭ · last activity over 2 years ago by Vincent‭

technology materials science-fiction

50%

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Using a melon organ on land. Plausible?

1 answer · posted over 2 years ago by ProjectApex‭ · last activity over 2 years ago by ProjectApex‭

evolution creature-design

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How could medical petrification work?

2 answers · posted over 2 years ago by Mephistopheles‭ · last activity over 2 years ago by Mephistopheles‭

technology nanotechnology chemistry biochemistry

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Planet with double the orbital period of Earth

4 answers · posted over 2 years ago by Julianne‭ · last activity over 2 years ago by Julianne‭

planets rogue-planets science-fiction

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How can antibodies induce a demigod transformation?

1 answer · posted over 2 years ago by Incognito‭ · last activity over 2 years ago by Incognito‭

biology technology genetics

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How close an orbit could you get to Earth with a planet-sized object/ship without severely disrupting Earth's orbit?

3 answers · posted over 2 years ago by DWKraus‭ · last activity over 2 years ago by DWKraus‭

space travel spaceships orbital-mechanics space-travel ships

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Durability of materials in ideal conditions

2 answers · posted over 2 years ago by rwallace‭ · last activity over 2 years ago by rwallace‭

time materials

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Acid-spitting dragons

4 answers · posted over 2 years ago by user3556983‭ · last activity over 2 years ago by user3556983‭

fauna creature-design dragons zoology

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Is it possible for a planet to have an area saturated with lava but at the same time is still habitable to humans and other lifeforms?

2 answers · posted over 2 years ago by In the name of the story‭ · last activity over 2 years ago by In the name of the story‭

planets geography geology

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Does the humanoid body plan necessitate sapience to be viable?

3 answers · posted over 2 years ago by icewar1908‭ · last activity over 2 years ago by icewar1908‭

reality-check evolution sapience

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Genetics and Population Dynamics of a 7-sex system

3 answers · posted over 2 years ago by Ettina Kitten‭ · last activity over 2 years ago by Ettina Kitten‭

biology reproduction xenobiology

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Genetically engineered bionically enhanced insects in lieu of robots

1 answer · posted over 2 years ago by Rusty‭ · last activity over 2 years ago by Rusty‭

biology cyborg insects

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Giant caves. How do they form?

2 answers · posted over 2 years ago by Seraphim‭ · last activity over 2 years ago by Seraphim‭

reality-check geography

Communities