Notifications
Categories Users Search
Help
Sign Up Sign In
Q&A Rigorous Science Meta
Q&A
Posts Tags
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 Lottery
50%
+0 −0
Realistic Future Jobs for Men and Women

22 answers  ·  last activity over 5 years ago by Serban Tanasa

technology economy futurology intelligence artificial-intelligence post-scarcity city
50%
+0 −0
What are the expected impact on Earth ecosystems by mining activities in the Moon?

3 answers  ·  last activity over 5 years ago by Hatoru Hansou

reality-check planets science-based moons earth
50%
+0 −0
What science-y stuff could hide an island?

3 answers  ·  last activity over 5 years ago by Vector Lightning

geography science-based futurology
50%
+0 −0
Entertainment for AI

9 answers  ·  last activity over 5 years ago by guido

technology intelligence artificial-intelligence
50%
+0 −0
Is it possible for humans to live on such a planet?

5 answers  ·  last activity over 5 years ago by ballah

reality-check planets science-based humans survival
50%
+0 −0
Suddenly, you live in the dark!

7 answers  ·  last activity over 5 years ago by ballah

environment reality-check planets science-based technological-development
50%
+0 −0
In 'portal', pushing interconnected portals on thin portal sized rectangles of material through each other?

2 answers  ·  last activity over 5 years ago by alan2here

physics teleportation
50%
+0 −0
What would the weather be like in an asteroid habitat?

3 answers  ·  last activity over 5 years ago by Mike Nichols

space weather science-based physics space-constructs
50%
+0 −0
Could a manned maneuvering unit provide artificial gravity?

3 answers  ·  last activity over 5 years ago by Dan

reality-check science-based gravity
50%
+0 −0
Possibilities with a force-manipulating device

3 answers  ·  last activity over 5 years ago by AlphaModder

physics
50%
+0 −0
What happens to air pressure if the ice caps completely melt?

2 answers  ·  last activity over 5 years ago by Mikey

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

3 answers  ·  last activity over 5 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  ·  last activity over 5 years ago by Michael Sacchi

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

2 answers  ·  last activity over 5 years ago by alan2here

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

3 answers  ·  last activity over 5 years ago by erdekhayser

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

2 answers  ·  last activity over 5 years ago by MDMoore313

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

4 answers  ·  last activity over 5 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  ·  last activity over 5 years ago by bowlturner

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

3 answers  ·  last activity over 5 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  ·  last activity over 5 years ago by trichoplax

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

2 answers  ·  last activity over 5 years ago by 2012rcampion

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

5 answers  ·  last activity over 5 years ago by Donny

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

12 answers  ·  last activity over 5 years ago by Pavel Janicek

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

3 answers  ·  last activity over 5 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  ·  last activity over 5 years ago by CrazySlayaNinjaBear

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

1 answer  ·  last activity over 5 years ago by Irigi

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

7 answers  ·  last activity over 5 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  ·  last activity over 5 years ago by CrazySlayaNinjaBear

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

4 answers  ·  last activity over 5 years ago by Robert Boettcher

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

4 answers  ·  last activity over 5 years ago by Sheraff

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

2 answers  ·  last activity over 5 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  ·  last activity over 5 years ago by fubar50

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

5 answers  ·  last activity over 5 years ago by Sheraff

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

4 answers  ·  last activity over 5 years ago by Rodolfo Dias

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

1 answer  ·  last activity over 5 years ago by Irigi

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

4 answers  ·  last activity over 5 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  ·  last activity over 5 years ago by moonfly

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

2 answers  ·  last activity over 5 years ago by bowlturner

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

3 answers  ·  last activity over 5 years ago by HugoRune

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

7 answers  ·  last activity over 5 years ago by Vincent

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

3 answers  ·  last activity over 5 years ago by Kromey

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

3 answers  ·  last activity over 5 years ago by Philipp

science-based 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  ·  last activity over 5 years ago by BuildingBetterWorlds

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

2 answers  ·  last activity over 5 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  ·  last activity over 5 years ago by Liath

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

2 answers  ·  last activity over 5 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  ·  last activity over 5 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  ·  last activity over 5 years ago by aspiring_sarge

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

5 answers  ·  last activity over 5 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  ·  last activity over 5 years ago by neph

biology civilization ethics
Category RSS feed

Hot Posts

Q&A Would a huge amount of asteroids hitting Earth change its rotation speed or destroy the planet?
Meta I received a notification about a new answer to my question, but there are no answers
Q&A Avoiding Incidental Ion Drive damage to Following Vehicles?
Q&A Are geographically typed planets realistic?
Q&A Is this planet's atmosphere stable and reasonable, and anything to keep in mind for lifeforms living in it?

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

Chat

Join us in chat!