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
Community Proposals
Community Proposals
tag:snake search within a tag
answers:0 unanswered questions
user:xxxx search by author id
score:0.5 posts with 0.5+ score
"snake oil" exact phrase
votes:4 posts with 4+ votes
created:<1w created < 1 week ago
post_type:xxxx type of post
Search help
Notifications
Mark all as read See all your notifications »

Search

Advanced Search Options

To further refine your search, you can use additional qualifiers such as score:>0.5. For example, the search score:>=0.5 created:<1y grammar would return only posts mentioning "grammar" that have a score >= 0.5 and were created less than a year ago.

Further help with searching is available in the help center.

Quick hints: tag:tagname, user:xxx, "exact phrase", post_type:xxx, created:<N{d,w,mo,y}, score:>=0.5

Filters
13.1k posts
 
50%
+0 −0
Q&A What resources would be depleted during a "Medieval Stasis"?

Many fantasy worlds use a "Medieval Stasis"trope. What resources could we expect to become depleted during a stasis? Surely, since technology is stagnant, the people would mine all the materials th...

2 answers  ·  posted 6y ago by Hippeus_Lancer‭  ·  last activity 6y ago by Hippeus_Lancer‭

Question materials
50%
+0 −0
Q&A What is the natural shape of the atmosphere on a Niven ringworld?

Assuming the atmosphere on a Niven ringworld is retained by gravity, what shape would it be? Full details of Ringworld http://larryniven.wikia.com/wiki/Ringworld As I understand it, Niven pro...

3 answers  ·  posted 6y ago by chasly from UK‭  ·  last activity 6y ago by chasly from UK‭

Question gravity dyson-ring
50%
+0 −0
Q&A Best Foods/Plants to Grow in Generational Spaceship?

Hopefully this isn't a duplicate; I wasn't able to find another question which addressed this, at any rate. Let's say I have a generational spaceship going off to another solar system to establish...

4 answers  ·  posted 6y ago by QWriter‭  ·  last activity 6y ago by QWriter‭

50%
+0 −0
Q&A How to maintain container temperature for as long as possible?

I have two magical stones. The first one"”let's call it fire stone"”is a stone that able to increase its temperature equal to that of a normal fire. The second one"”as you might already guess, is ...

4 answers  ·  posted 6y ago by arlilo‭  ·  last activity 6y ago by arlilo‭

50%
+0 −0
Q&A Tiny humanoids?

There are many tiny humanoids in fiction, the Arquilians of Men in Black, the Gargantians of Buzz Lightyear Star Command and a few others. This raises the question, is it possible for a humanoid sp...

5 answers  ·  posted 6y ago by Joe Smith‭  ·  last activity 6y ago by Joe Smith‭

50%
+0 −0
Q&A Would a GUT-monopole powered rocket be feasible?

Would a rocket or Bussard ramjet powered by monopole induced proton decay (Callan-Rubakov mechanism) be a feasible method for near-light interstellar flight? There are such drives in the Orion's Ar...

1 answer  ·  posted 6y ago by AskerOfQuestions‭  ·  last activity 6y ago by AskerOfQuestions‭

Question space travel
50%
+0 −0
Q&A Fastest way to oxygenate Venus

Scientists recently discovered a propellantless drive capable of completely negating gravity with low energy inputs! Huzzah! Sadly the Earth is going to be destroyed soon by a rogue handwave. Looki...

5 answers  ·  posted 6y ago by Evelyn Shepard‭  ·  last activity 6y ago by Evelyn Shepard‭

50%
+0 −0
Q&A How much can you learn about a planet while in its orbit?

Suppose a team of astronauts have travelled to another solar system, and are currently living in a craft which is in Medium Earth Orbit of a planet which has oceans, continents, and complex life. A...

5 answers  ·  posted 6y ago by SealBoi‭  ·  last activity 6y ago by SealBoi‭

Question technology
50%
+0 −0
Q&A Barring all structural and stability issues, how would building a ringworld around the earth affect it?

I've looked for an answer for this, but the only information I could find dealt with the ring itself. All I want to know is what would change on the Earth if all problems were solved and the ring w...

5 answers  ·  posted 6y ago by offworldavengercorp‭  ·  last activity 6y ago by offworldavengercorp‭

50%
+0 −0
Q&A How long would an array of mass drivers take to terraform Mars by transporting CO2 from Venus?

So I've always assumed Mars never had enough available CO2 on-site for terraforming, something that new research seems to have confirmed. But my ideas have always relied on getting CO2 from altern...

1 answer  ·  posted 6y ago by Thesaurus Rex‭  ·  last activity 6y ago by Thesaurus Rex‭

50%
+0 −0
Q&A How plausible is a civilization, or life, that perceives time in reverse?

Humanity, with modern science, has established that the Big Bang happened 13.8 billion years ago. The universe appeared in a low-entropy state, and for billions of years has been expanding and movi...

3 answers  ·  posted 6y ago by StarlightDown‭  ·  last activity 6y ago by StarlightDown‭

50%
+0 −0
Q&A What would be the usefulness of both arms and fins on a sea dwelling, amphibious organism?

I am currently designing a highly intelligent species for a sci-fi project I am working on. They are quite similar physically to prehistoric salamanders or similar amphibians, but I am having troub...

3 answers  ·  posted 6y ago by SentiCarter‭  ·  last activity 6y ago by SentiCarter‭

50%
+0 −0
Q&A Designing vehicles for different gravities

In my story, humans have colonized both a high-G and a low-G world in the same star system. How would surface vehicles have to be designed differently for practicality and economy on each of those...

5 answers  ·  posted 6y ago by Rich Durst‭  ·  last activity 6y ago by Rich Durst‭

50%
+0 −0
Q&A How would an advanced civilization on a space station not be able to explore the planet they orbit without significant time between each expedition?

Extremely advanced civilization on a computerized space station orbiting a desolate uninhabited planet. There are no other known civilizations within this station's sphere of observation. Not many ...

8 answers  ·  posted 6y ago by hjk321‭  ·  last activity 6y ago by hjk321‭

50%
+0 −0
Q&A Would planting trees across an earth-like planet to reduce the CO2 and produce O2, be enough to keep it in balance?

An IPCC report of Oct 8, 2018 indicates - to keep the world temperature rise at or below 1.5 C, we need to reduce our CO2 emissions globally from the 2010 level by 45% by 2030, and a further 55% r...

6 answers  ·  posted 6y ago by P Lloyd‭  ·  last activity 6y ago by P Lloyd‭

50%
+0 −0
Q&A Gravitational anomaly (Mascons) creating water-hills

A scenario in the far future -- The moon has been successfully terraformed. All problems have been worked-out, from flinging volatiles into collision course with the moon, up to creating and retain...

3 answers  ·  posted 6y ago by Christmas Snow‭  ·  last activity 6y ago by Christmas Snow‭

50%
+0 −0
Q&A Naturally maintaining an atmosphere being stripped by a brown dwarf"˜s magnetosphere

In this scenario we have a brown dwarf with a powerful magnetic dynamo from metallic hydrogen. The magnetic field is modeled after Jupiter's but just three orders of magnitude more powerful. Orbi...

2 answers  ·  posted 6y ago by Hippeus_Lancer‭  ·  last activity 6y ago by Hippeus_Lancer‭

50%
+0 −0
Q&A How would I calculate the size and angle of this space station ring?

This is an idea for a space station on the surface of Eris (but could work on other celestial bodies), using rotating rings to simulate gravity. The idea is that these rings would sit horizontally ...

1 answer  ·  posted 6y ago by TitaniumTurtle‭  ·  last activity 6y ago by TitaniumTurtle‭

50%
+0 −0
Q&A Do these plants make sense in the way I want them to establish in my world?

(Beforehand I'll excuse myself for my english. If you didn't need to know that you can just ignore it) There's a network of root-like life forms in the top layers of my planet. They use some kind ...

2 answers  ·  posted 6y ago by bobthebuilder‭  ·  last activity 6y ago by bobthebuilder‭

50%
+0 −0
Q&A Time manipulation based on physics equations

I'm fairly new to the idea of writing.... anything, and I was asked to make a character to insert in a friend's world. I am trying to create a fictional character that has the power of manipulati...

2 answers  ·  posted 6y ago by Chronos Legionnaire‭  ·  last activity 6y ago by Chronos Legionnaire‭

50%
+0 −0
Q&A Can I arrange my stars in a tetrahedron?

Inspired by this question: Consider a trinary star system, in which the three stars are arranged in an xy plane and all revolving the same direction, equidistant from each other. The inward pull...

2 answers  ·  posted 6y ago by Dubukay‭  ·  last activity 6y ago by Dubukay‭

50%
+0 −0
Q&A What would be the human physiological reaction to an alien biosphere?

This is the first question about colonizing an alien world; the second question on agriculture on this planet is here. So here's the idea: human beings travel to and land on an Earth-like world wi...

3 answers  ·  posted 6y ago by Kryten‭  ·  last activity 6y ago by Kryten‭

50%
+0 −0
Q&A Could [life on] Earth Survive a Gamma Ray Burst?

[EDIT: this question is about life on Earth surviving, not the physical destruction of the planet] Could the Earth survive a gamma ray burst if that burst occurred in our galaxy and the Earth is ...

1 answer  ·  posted 6y ago by ShadoCat‭  ·  last activity 6y ago by ShadoCat‭

Question astronomy
50%
+0 −0
Q&A Biggest possible battleship that can be built?

Disregarding how battleships are really big targets and not really viable in the modern era anymore, I would like to ask how big a battleship can be built before it starts being so large it sinks. ...

4 answers  ·  posted 6y ago by LuckyE‭  ·  last activity 6y ago by LuckyE‭

Question shipbuilding ships
50%
+0 −0
Q&A Human Blood Reactivity on an Alien Species' Skin

What would be a valid reason for human blood/sweat/body fluids being toxic/harmful/caustic to an alien species' skin? What would the aliens' organic biochemistry be like and what would their DNA b...

2 answers  ·  posted 6y ago by Moin‭  ·  last activity 6y ago by Moin‭