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
Linux Systems
Linux Systems
Power Users
Power Users
Tabletop RPGs
Tabletop RPGs
Notifications
Mark all as read
Users Search
Help Dashboard 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
What happens to air pressure if the ice caps completely melt?

2 answers  ·  posted almost 8 years ago by Mikey‭  ·  last activity almost 8 years ago by Mikey‭

climate atmosphere water water-bodies
50%
+0 −0
Making the First contact

3 answers  ·  posted almost 8 years ago by Pavel Janicek‭  ·  last activity almost 8 years ago by Pavel Janicek‭

space travel society psychology aliens humans space-travel
50%
+0 −0
A species developing writing but not (yet) speech

5 answers  ·  posted almost 8 years ago by Michael Sacchi‭  ·  last activity almost 8 years ago by Michael Sacchi‭

evolution language
50%
+0 −0
Burrowing/tunnelling creatures on earth with intricate underground organisation/society?

2 answers  ·  posted almost 8 years ago by alan2here‭  ·  last activity almost 8 years ago by alan2here‭

biology reality-check
50%
+0 −0
Astronomical Phenomena that cause Tidal Waves

3 answers  ·  posted almost 8 years ago by erdekhayser‭  ·  last activity almost 8 years ago by erdekhayser‭

space moons stars apocalypse radiation
50%
+0 −0
Harnessing the Moon's kinetic energy

2 answers  ·  posted almost 8 years ago by MDMoore313‭  ·  last activity almost 8 years ago by MDMoore313‭

moons energy
50%
+0 −0
Locations for space centres

4 answers  ·  posted almost 8 years ago by J_F_B_M‭  ·  last activity almost 8 years ago by J_F_B_M‭

space travel space-travel urban
50%
+0 −0
Is the Alcubierre Drive relatively free from relativistic collisions?

1 answer  ·  posted almost 8 years ago by bowlturner‭  ·  last activity almost 8 years ago by bowlturner‭

space travel physics space-travel
50%
+0 −0
What is the minimum distance needed between physically distinct races?

3 answers  ·  posted almost 8 years ago by Epiglottal Axolotl‭  ·  last activity almost 8 years ago by Epiglottal Axolotl‭

geography races demographics genetics
50%
+0 −0
How can I estimate how far into a cave network breathing is possible?

2 answers  ·  posted 8y ago by trichoplax‭  ·  last activity almost 8 years ago by trichoplax‭

physics caves
50%
+0 −0
Traffic in Space (a traffic controller for low earth orbit)

2 answers  ·  posted almost 8 years ago by 2012rcampion‭  ·  last activity almost 8 years ago by 2012rcampion‭

space travel society orbital-mechanics space-travel
50%
+0 −0
Eye in the Sky Effect

5 answers  ·  posted almost 8 years ago by Donny‭  ·  last activity almost 8 years ago by Donny‭

astronomy planets moons
50%
+0 −0
How would a Martian colony be able to celebrate Christmas?

12 answers  ·  posted almost 8 years ago by Pavel Janicek‭  ·  last activity almost 8 years ago by Pavel Janicek‭

planets society humans solar-system
50%
+0 −0
Trebuchet's effect on ship design

3 answers  ·  posted almost 8 years ago by Tyson of the Northwest‭  ·  last activity almost 8 years ago by Tyson of the Northwest‭

physics shipbuilding
50%
+0 −0
Is it possible for humans to evolve to eat something like wood or stone or something similar?

3 answers  ·  posted almost 8 years ago by CrazySlayaNinjaBear‭  ·  last activity almost 8 years ago by CrazySlayaNinjaBear‭

evolution humans
50%
+0 −0
Cost of colony on Mars/Moon per metric ton

1 answer  ·  posted almost 8 years ago by Irigi‭  ·  last activity almost 8 years ago by Irigi‭

space colonies economy
50%
+0 −0
What is the soonest we could possibly have a self-sufficient base on Mars?

7 answers  ·  posted almost 8 years ago by overactor‭  ·  last activity almost 8 years ago by overactor‭

space colonies
50%
+0 −0
Could a civilization as advanced as humans exist on a planet/dwarf planet like Pluto?

5 answers  ·  posted almost 8 years ago by CrazySlayaNinjaBear‭  ·  last activity almost 8 years ago by CrazySlayaNinjaBear‭

biology planets civilization humans
50%
+0 −0
How to fragment a moon to form a ring around a planet

4 answers  ·  posted almost 8 years ago by Robert Boettcher‭  ·  last activity almost 8 years ago by Robert Boettcher‭

planets moons
50%
+0 −0
How soon will the first underwater cities be built?

4 answers  ·  posted almost 8 years ago by Sheraff‭  ·  last activity almost 8 years ago by Sheraff‭

cities water underwater
50%
+0 −0
Method for creating aerial visuals (photography) for fake landmasses

2 answers  ·  posted almost 8 years ago by randomblink‭  ·  last activity almost 8 years ago by randomblink‭

geography software-recommendations cartography
50%
+0 −0
Would the knowledge of physics on a native aquatic planet be similar to our own?

7 answers  ·  posted almost 8 years ago by fubar50‭  ·  last activity almost 8 years ago by fubar50‭

planets physics computers scientific-development
50%
+0 −0
How soon will tinkering with biology be as simple as programming is now?

5 answers  ·  posted almost 8 years ago by Sheraff‭  ·  last activity almost 8 years ago by Sheraff‭

biology technological-development
50%
+0 −0
Alien race similar to human but without anything in common

4 answers  ·  posted almost 8 years ago by Rodolfo Dias‭  ·  last activity almost 8 years ago by Rodolfo Dias‭

biology creature-design
50%
+0 −0
Space station mass per person

1 answer  ·  posted almost 8 years ago by Irigi‭  ·  last activity almost 8 years ago by Irigi‭

space space-constructs space-stations
50%
+0 −0
Shallow sea world - plausable geology?

4 answers  ·  posted almost 8 years ago by Chris Camacho‭  ·  last activity almost 8 years ago by Chris Camacho‭

geology sea
50%
+0 −0
Classification system and measure of progress for science and technology branches and other areas of life

3 answers  ·  posted almost 8 years ago by moonfly‭  ·  last activity almost 8 years ago by moonfly‭

futurology nomenclature
50%
+0 −0
Being cooked for dinner! or What Danger of Blueshifting EM into X-rays and beyond?

2 answers  ·  posted almost 8 years ago by bowlturner‭  ·  last activity almost 8 years ago by bowlturner‭

space travel space-travel
50%
+0 −0
Gravitational effects of portals at different heights

3 answers  ·  posted almost 8 years ago by HugoRune‭  ·  last activity almost 8 years ago by HugoRune‭

travel physics
50%
+0 −0
What would push a civilization to terraform a planet considering the complexity of this process?

7 answers  ·  posted almost 8 years ago by Vincent‭  ·  last activity almost 8 years ago by Vincent‭

environment planets terraforming
50%
+0 −0
Can we breathe the moon's crust?

3 answers  ·  posted almost 8 years ago by Kromey‭  ·  last activity almost 8 years ago by Kromey‭

space travel moons colonies space-travel
50%
+0 −0
Where to place industry in a megastructure?

3 answers  ·  posted almost 8 years ago by Philipp‭  ·  last activity almost 8 years ago by Philipp‭

cities megastructures gas
50%
+0 −0
What would be the short-term and long-term effects of an increase in the strength of gravity on humans?

1 answer  ·  posted almost 8 years ago by BuildingBetterWorlds‭  ·  last activity almost 8 years ago by BuildingBetterWorlds‭

biology physics humans gravity
50%
+0 −0
Polarity of a planet's lightning strikes reversed?

2 answers  ·  posted almost 8 years ago by The Glis Jackel‭  ·  last activity almost 8 years ago by The Glis Jackel‭

reality-check planets electricity lightning light city
50%
+0 −0
How would an aquatic civilisation forge tools?

8 answers  ·  posted almost 8 years ago by Liath‭  ·  last activity almost 8 years ago by Liath‭

water technology underwater technological-development
50%
+0 −0
What would happen in North America if California became drier?

2 answers  ·  posted almost 8 years ago by Vincent‭  ·  last activity almost 8 years ago by Vincent‭

climate culture futurology earth agriculture
50%
+0 −0
Could higher land-based life exist on a planet with a pressure of about 1 MPa?

5 answers  ·  posted almost 8 years ago by celtschk‭  ·  last activity almost 8 years ago by celtschk‭

biology reality-check
50%
+0 −0
How would life be different on a planet where intelligent life saw heat instead of colour?

7 answers  ·  posted almost 8 years ago by aspiring_sarge‭  ·  last activity almost 8 years ago by aspiring_sarge‭

50%
+0 −0
What would be the effects of the common house cat rapidly acquiring flight ability?

5 answers  ·  posted almost 8 years ago by Dan Dascalescu‭  ·  last activity almost 8 years ago by Dan Dascalescu‭

biology society domestication earth
50%
+0 −0
What social structure would be developed by an intelligent species with distinct functional physical differences?

3 answers  ·  posted almost 8 years ago by neph‭  ·  last activity almost 8 years ago by neph‭

biology civilization ethics
50%
+0 −0
What would be required for a completely self sufficient 1 man habitat?

1 answer  ·  posted almost 8 years ago by System‭  ·  last activity almost 8 years ago by System‭

environment space spaceships isolation ships
50%
+0 −0
What do we get if we eat the moon?

1 answer  ·  posted almost 8 years ago by Danny Reagan‭  ·  last activity almost 8 years ago by Danny Reagan‭

geology
50%
+0 −0
What would be the effect of a powerful explosive going off in the core of a planet?

3 answers  ·  posted almost 8 years ago by DonyorM‭  ·  last activity almost 8 years ago by DonyorM‭

planets
50%
+0 −0
What would furniture be like in a zero-G home?

3 answers  ·  posted almost 8 years ago by congusbongus‭  ·  last activity almost 8 years ago by congusbongus‭

space gravity zero-gravity
50%
+0 −0
What would change in a dominant/predatory animal given two heads?

2 answers  ·  posted almost 8 years ago by CodeMoose‭  ·  last activity almost 8 years ago by CodeMoose‭

biology fauna
50%
+0 −0
Varying Gravity

2 answers  ·  posted almost 8 years ago by The Glis Jackel‭  ·  last activity almost 8 years ago by The Glis Jackel‭

biology planets stars gravity orbital-mechanics
50%
+0 −0
Life on an Earth-like planet with solid core?

2 answers  ·  posted almost 8 years ago by Florian Hollandt‭  ·  last activity almost 8 years ago by Florian Hollandt‭

biology planets
60%
+1 −0
What would have to happen in order to force us to live in the ocean?

3 answers  ·  posted almost 8 years ago by Clean Ogre‭  ·  last activity almost 8 years ago by Clean Ogre‭

environment underwater apocalypse isolation earth
50%
+0 −0
How would a completely urbanized city-planet support its population?

5 answers  ·  posted almost 8 years ago by neph‭  ·  last activity almost 8 years ago by neph‭

urban logistics
50%
+0 −0
How realistic are four legged aquatic animals?

4 answers  ·  posted almost 8 years ago by Liath‭  ·  last activity almost 8 years ago by Liath‭

evolution water creature-design underwater
Category RSS feed
Featured
How can we grow this community?
The Great Migration is underway

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!

Like what we're doing? Support us! Donate