Communities

Writing
Writing
Codidact Meta
Codidact Meta
The Great Outdoors
The Great Outdoors
Photography & Video
Photography & Video
Scientific Speculation
Scientific Speculation
Cooking
Cooking
Electrical Engineering
Electrical Engineering
Judaism
Judaism
Languages & Linguistics
Languages & Linguistics
Software Development
Software Development
Mathematics
Mathematics
Christianity
Christianity
Code Golf
Code Golf
Music
Music
Physics
Physics
Dashboard
Notifications
Mark all as read
Users Search
Help Sign In Sign Up
Q&A Rigorous Science Meta
Q&A
Posts Tags Edits
Create Post

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

10.5k posts · Subscribe
Activity Age Score Native Random
50%
+0 −0
Augmentations - Jumping high!

5 answers  ·  last activity 11 months ago by Prahara‭

biology cybernetics
50%
+0 −0
How would a biological brain be updated with its digital memory?

3 answers  ·  last activity 11 months ago by RandySavage‭

biology brain virtual-reality
50%
+0 −0
Weather and climate of Massive Grass Plains?

3 answers  ·  last activity 11 months ago by Gray9‭

weather geography
50%
+0 −0
Reasonably tougher humans against falls, concussions etc

2 answers  ·  last activity 11 months ago by Blirk‭

biology science-based humans bones bio-mechanics
50%
+0 −0
Exploring a world with chiral biochemistry: chirality detection

2 answers  ·  last activity 11 months ago by L.Dutch - Reinstate Monica‭

earth exploration chemistry biochemistry alternate-earth
50%
+0 −0
An Earth with a permanent winter state with drastically reduced temperature, dark skies and mass extinctions

1 answer  ·  last activity 11 months ago by Space_Cadet‭

climate atmosphere sunlight light
50%
+0 −0
Space-based black hole weapon effects

6 answers  ·  last activity 11 months ago by Demigan‭

reality-check science-based black-holes weapon-mass-destruction science-fiction
50%
+0 −0
Infinite endurance

6 answers  ·  last activity 11 months ago by Kyu‭

reality-check science-based creature-design
50%
+0 −0
How can a powerful acidic substance not break down inorganic material?

3 answers  ·  last activity 11 months ago by Incognito‭

biology reality-check
50%
+0 −0
A Seafloor of Ice and Rock: Ice VI / Water Boundary

1 answer  ·  last activity 11 months ago by TheDyingOfLight‭

water physics underwater ocean
50%
+0 −0
Making Immobile carnivore

1 answer  ·  last activity 11 months ago by RotNDecay‭

biology evolution science-based
50%
+0 −0
How deep can the oceans be while still alowing some land?

1 answer  ·  last activity 12 months ago by TheDyingOfLight‭

physics geology ocean astrophysics
50%
+0 −0
Are large meteor craters possible with the survival of most human society?

1 answer  ·  last activity 12 months ago by Cascader‭

reality-check science-based natural-disasters meteor
50%
+0 −0
Treating Postpartum Depression when Reproductive Mortality is ~100%?

2 answers  ·  last activity 12 months ago by Logan R. Kearsley‭

psychology aliens
50%
+0 −0
Would an obligate carnivore eat bread/grain?

4 answers  ·  last activity 12 months ago by Matthew‭

biology food
50%
+0 −0
How long would the St. Louis arch stand if humanity vanished from the earth, tomorrow?

1 answer  ·  last activity 12 months ago by guest‭

science-based
50%
+0 −0
Inducing hallucinations to attract prey

2 answers  ·  last activity 12 months ago by Kyu‭

reality-check science-based creature-design
50%
+0 −0
Would a Longer PETM Save the Creodonts and the Mesonychians?

3 answers  ·  last activity 12 months ago by JohnWDailey‭

evolution adaptability earth alternate-history history mammals alternate-earth
50%
+0 −0
Putting together a research expedition to an alien planet - what kind of scientists am I taking with me?

4 answers  ·  last activity 12 months ago by Faz‭

planets scientific-development exploration
50%
+0 −0
How small can I make this character without making it too weird?

4 answers  ·  last activity 12 months ago by Popplio Lover‭

biology evolution humans genetics
50%
+0 −0
How could a civilization stay at a medieval tech level for millions of years?

26 answers  ·  last activity 12 months ago by Alex‭

science-based
50%
+0 −0
When earth is filled to the brim with plant-life, can it cause a hyperoxic environment?

3 answers  ·  last activity 12 months ago by chaeltom‭

environment climate planets flora climate-change
50%
+0 −0
How "young" can a non-aging person be and still function?

7 answers  ·  last activity 12 months ago by Matthew‭

biology
50%
+0 −0
Are firefly-like vertebrates biologically plausible?

4 answers  ·  last activity 12 months ago by user3556983‭

biology science-based creature-design zoology
50%
+0 −0
Temperatures on an Earth with a week-long rotational period

2 answers  ·  last activity 12 months ago by Ryan Williamson‭

climate reality-check planets
50%
+0 −0
How could two AIs "battle" within a closed off computer?

1 answer  ·  last activity 12 months ago by Alex‭

computers intelligence artificial-intelligence
50%
+0 −0
Where to place an artificial oceanic island?

1 answer  ·  last activity 12 months ago by SilverCookies‭

geography megastructures gas ocean
50%
+0 −0
Weakspots of a Humanoid Iguana

3 answers  ·  last activity 12 months ago by sjzjjdjdjsn‭

science-based creature-design reptiles science-fiction anatomically-correct
50%
+0 −0
Online Anatomy Creator/Maker..?

2 answers  ·  last activity 12 months ago by WhimsyDoesIt‭

creature-design software-recommendations anatomy
50%
+0 −0
how big does my creature's organ need to blind or stun predator of all size?

4 answers  ·  last activity 12 months ago by user3556983‭

evolution creature-design sea light sea-creatures zoology
50%
+0 −0
Could my "erect penguins" exist?

1 answer  ·  last activity 12 months ago by icewar1908‭

biology evolution science-based creature-design
50%
+0 −0
What if we created a race of humans specialized for islands?

3 answers  ·  last activity 12 months ago by Popplio Lover‭

biology evolution humans creature-design
50%
+0 −0
Would it make sense to send potential human colonists on the initial manned expedition to a habitable, Earth-like planet?

5 answers  ·  last activity 12 months ago by Space_Cadet‭

space travel planets space-travel colonization space-colonization
50%
+0 −0
What if we created a race of humans specialized for a tundra biome?

1 answer  ·  last activity 12 months ago by Popplio Lover‭

biology evolution humans creature-design
50%
+0 −0
How would someone actively search for titanium ores or other minerals?

4 answers  ·  last activity 12 months ago by Wayward Astronaut‭

technology chemistry mining
50%
+0 −0
Could the common housefly survive on a diet of various grasses? If not, whats the minimum amount of other species they would need to survive?

1 answer  ·  last activity 12 months ago by Schwefel Kamm‭

biology evolution
50%
+0 −0
Rewiring the way one views his kind

4 answers  ·  last activity 12 months ago by ProjectApex‭

psychology
50%
+0 −0
How much volume does a liquefied human take?

8 answers  ·  last activity 12 months ago by Seraphim‭

biology mathematics
50%
+0 −0
Superhuman: Extreme Temperatures Pt.2

1 answer  ·  last activity 12 months ago by WhimsyDoesIt‭

biology temperature super-powers bio-mechanics body-modification
50%
+0 −0
What would it take to get the temperature of the human body to rise to 3,000 °F?

1 answer  ·  last activity 12 months ago by WhimsyDoesIt‭

biology temperature super-powers bio-mechanics body-modification
50%
+0 −0
Where would a technologically advanced group of people forced into space by a calamity obtain water from?

7 answers  ·  last activity 12 months ago by Niobium_Sage‭

space travel water space-travel food colonization space-colonization shipbuilding
50%
+0 −0
What will the abdominal muscles of non-primate humanoids look like?

2 answers  ·  last activity 12 months ago by Pierre ‭

biology reality-check evolution science-based
50%
+0 −0
What percentage of stars would need to become Shkadov thrusters to move the whole galaxy?

1 answer  ·  last activity 12 months ago by RandySavage‭

space gravity megastructures gas galactic
50%
+0 −0
Would would occur if a person travelled from a wormhole in flat empty space, to one on Earth?

1 answer  ·  last activity 12 months ago by MrKred‭

space travel space-travel wormholes interstellar-travel interstellar
50%
+0 −0
What is the force of impact for a failing space elevator given the following conditions?

2 answers  ·  last activity 12 months ago by MUSE-42‭

space science-based technology space-constructs space-elevators
50%
+0 −0
How would one detect a black hole when there are no more light sources for it to refract?

5 answers  ·  last activity 12 months ago by In the name of the story‭

space travel spaceships space-travel black-holes ships science-fiction
50%
+0 −0
Is the existence of vertically shaped pupils, with a hawk eyesight, biologically possible?

1 answer  ·  last activity 12 months ago by Mike‭

biology races fantasy-races
50%
+0 −0
I want ten Earth-years long day on my planet. Can I have it?

6 answers  ·  last activity 12 months ago by Zjerzy‭

climate planets day-night orbital-mechanics
50%
+0 −0
Why would a sleeper ship be designed to only wake one person in case of emergency?

36 answers  ·  last activity 12 months ago by Joe Bloggs‭

space travel space-travel colonization cryogenics
50%
+0 −0
How can I make the supporting pillars of an underground city less obstructive?

22 answers  ·  last activity 12 months ago by Mephistopheles‭

science-based underground architecture engineering
Category RSS feed

This community is part of the Codidact network. We have other communities too — take a look!

You can also join us in chat!

Want to advertise this community? Use our templates!