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

Dashboard
Notifications
Mark all as read
Q&A

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

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

2 answers  ·  posted 7y ago by trichoplax‭  ·  last activity almost 7 years ago by trichoplax‭

50%
+0 −0
50%
+0 −0
Eye in the Sky Effect

5 answers  ·  posted almost 7 years ago by Donny‭  ·  last activity almost 7 years ago by Donny‭

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

12 answers  ·  posted almost 7 years ago by Pavel Janicek‭  ·  last activity almost 7 years ago by Pavel Janicek‭

50%
+0 −0
Trebuchet's effect on ship design

3 answers  ·  posted almost 7 years ago by Tyson of the Northwest‭  ·  last activity almost 7 years ago by Tyson of the Northwest‭

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

1 answer  ·  posted almost 7 years ago by Irigi‭  ·  last activity almost 7 years ago by Irigi‭

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

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

50%
+0 −0
How to fragment a moon to form a ring around a planet

4 answers  ·  posted almost 7 years ago by Robert Boettcher‭  ·  last activity almost 7 years ago by Robert Boettcher‭

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

4 answers  ·  posted almost 7 years ago by Sheraff‭  ·  last activity almost 7 years ago by Sheraff‭

50%
+0 −0
50%
+0 −0
50%
+0 −0
How soon will tinkering with biology be as simple as programming is now?

5 answers  ·  posted almost 7 years ago by Sheraff‭  ·  last activity almost 7 years ago by Sheraff‭

50%
+0 −0
Alien race similar to human but without anything in common

4 answers  ·  posted almost 7 years ago by Rodolfo Dias‭  ·  last activity almost 7 years ago by Rodolfo Dias‭

50%
+0 −0
Space station mass per person

1 answer  ·  posted almost 7 years ago by Irigi‭  ·  last activity almost 7 years ago by Irigi‭

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

4 answers  ·  posted almost 7 years ago by Chris Camacho‭  ·  last activity almost 7 years ago by Chris Camacho‭

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

3 answers  ·  posted almost 7 years ago by HugoRune‭  ·  last activity almost 7 years ago by HugoRune‭

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

3 answers  ·  posted almost 7 years ago by Kromey‭  ·  last activity almost 7 years ago by Kromey‭

50%
+0 −0
Where to place industry in a megastructure?

3 answers  ·  posted almost 7 years ago by Philipp‭  ·  last activity almost 7 years ago by Philipp‭

50%
+0 −0
Polarity of a planet's lightning strikes reversed?

2 answers  ·  posted almost 7 years ago by The Glis Jackel‭  ·  last activity almost 7 years ago by The Glis Jackel‭

50%
+0 −0
How would an aquatic civilisation forge tools?

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

50%
+0 −0
What would happen in North America if California became drier?

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

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

5 answers  ·  posted almost 7 years ago by celtschk‭  ·  last activity almost 7 years ago by celtschk‭

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

1 answer  ·  posted almost 7 years ago by System‭  ·  last activity almost 7 years ago by System‭

50%
+0 −0
What do we get if we eat the moon?

1 answer  ·  posted almost 7 years ago by Danny Reagan‭  ·  last activity almost 7 years ago by Danny Reagan‭

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

3 answers  ·  posted almost 7 years ago by DonyorM‭  ·  last activity almost 7 years ago by DonyorM‭

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

3 answers  ·  posted 7y ago by congusbongus‭  ·  last activity almost 7 years ago by congusbongus‭

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

2 answers  ·  posted almost 7 years ago by CodeMoose‭  ·  last activity almost 7 years ago by CodeMoose‭

50%
+0 −0
Varying Gravity

2 answers  ·  posted 7y ago by The Glis Jackel‭  ·  last activity almost 7 years ago by The Glis Jackel‭

50%
+0 −0
Life on an Earth-like planet with solid core?

2 answers  ·  posted 7y ago by Florian Hollandt‭  ·  last activity almost 7 years ago by Florian Hollandt‭

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

3 answers  ·  posted almost 7 years ago by Clean Ogre‭  ·  last activity almost 7 years ago by Clean Ogre‭

50%
+0 −0
How would a completely urbanized city-planet support its population?

5 answers  ·  posted 7y ago by neph‭  ·  last activity almost 7 years ago by neph‭

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

4 answers  ·  posted 7y ago by Liath‭  ·  last activity almost 7 years ago by Liath‭

50%
+0 −0
Is it possible to terraform a hot planet?

1 answer  ·  posted 7y ago by Vincent‭  ·  last activity 7y ago by Vincent‭

50%
+0 −0
What is the maximum size of a flying creature?

3 answers  ·  posted 7y ago by neph‭  ·  last activity 7y ago by neph‭

50%
+0 −0
50%
+0 −0
50%
+0 −0
50%
+0 −0

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!