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13.1k posts
 
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Q&A How can a valley surrounded by mountains be fertile and rainy?

We all know about Rain Shadow - And if you don't now you do - and that the inner side of a mountain as compared to the ocean would be drier. Now a worldbuiding problem going around that phenomenon...

8 answers  ·  posted 5y ago by Mindwin‭  ·  last activity 5y ago by Mindwin‭

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Q&A Anatomically Correct Giant Spider

Fantasy and folklore has many instances of giant spiders,ranging from creatures like the J'ba Fofi to Aragog from Harry Potter. My question intends to ask whether a creature like the J'ba Fofi coul...

3 answers  ·  posted 5y ago by DingaDingaDinga‭  ·  last activity 5y ago by DingaDingaDinga‭

Question creature-design
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Q&A How would a character build an explosive from natural elements?

A character is on an alien planet that is very much like any one of our large deserts. Sort of a Tatooine like on Star Wars. He needs to cause a diversion. There aren't any explosives on planet o...

7 answers  ·  posted 5y ago by MajorTom‭  ·  last activity 5y ago by MajorTom‭

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Q&A Archipelago worlds build up atmospheric oxygen faster?

I've read super-earths might become archipelago planets. Picture shallow seas, under a thick atmosphere that alternates between muggy and clammy. Because a bigger share of the surface would be cont...

1 answer  ·  posted 5y ago by aadv‭  ·  last activity 5y ago by aadv‭

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Q&A What effect would living underwater have on a mermaid's skin?

Mermaids are commonly depicted as mammalian, human-like creatures from the waist up and scaly fish-like creatures from the waist down. What properties (color, texture, etc) would their mammal skin...

1 answer  ·  posted 5y ago by JacobPariseau‭  ·  last activity 5y ago by JacobPariseau‭

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Q&A Thunderstorms, 24/7

There are a number of places in which cumulonimbus clouds - and therefore, thunderstorms - are likely to form, such as: Cold fronts, where masses of cold air move into hot, moist air masses Aroun...

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

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Q&A How to get the speed of my spaceship?

I have a spaceship that can get to speeds very close to the speed of light. How can this ship measure how fast it is going near the speed of light? I would think one would measure how fast other ...

2 answers  ·  posted 5y ago by sirzento‭  ·  last activity 5y ago by sirzento‭

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Q&A How might star formation work in a universe similar to the one described in the orthogonal series?

In our universe, in order for a cloud of gas to collapse into a star it needs to release heat energy in the form of radiation, so that it can cool down enough to collapse into a star. I read what ...

1 answer  ·  posted 5y ago by Anders Gustafson‭  ·  last activity 5y ago by Anders Gustafson‭

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Q&A Space ship deceleration from speed of light

A space ship travels (almost) at the speed of light. When it nearly reaches its destination it starts decreasing the speed. What would be the most appropriate deceleration for human body in such co...

2 answers  ·  posted 5y ago by Javor‭  ·  last activity 5y ago by Javor‭

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Q&A In order to successfully have 3 orbital rings around a planet how do you have to orient them?

I am writing a short story about an overworked planet whose civilization has achieved space elevators and orbital rings. The planet, which is earth-sized, has three complete orbital rings in stabl...

5 answers  ·  posted 5y ago by LegionOfAvatars‭  ·  last activity 5y ago by LegionOfAvatars‭

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Q&A Intragalactic velocity past the central black hole

In my story people are traveling from somewhere beyond the opposite side of the galaxy to Earth. The distance traveled is approximately 66 million light-years. I would like the travelers to exper...

2 answers  ·  posted 5y ago by Javor‭  ·  last activity 5y ago by Javor‭

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Q&A Making techology for a society on other planet

I am having some trouble reasoning out some ideas, if any of you could help. So I have in mind a planet, where there are many human cultures, but one of them is more advanced then others. So they...

3 answers  ·  posted 5y ago by Sebastjan Kovač‭  ·  last activity 5y ago by Sebastjan Kovač‭

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Q&A Cold Weather Patterns

I'm working on a world with a mild but near constant winter. This weather pattern moves down the latitude and causes deep snows and some ice at worst in the mountains to heavy monsoons in tropic re...

1 answer  ·  posted 5y ago by Csraves ‭  ·  last activity 5y ago by Csraves ‭

Question weather seasons sea
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Q&A Electrokinesis, direct, and based on technology

Superhumans in my setting work based on advanced technology (but not clarketech; no violations of physical laws, no FTL). My question is, how can a superhuman direct electricity? From my under...

2 answers  ·  posted 5y ago by Ushumgallu‭  ·  last activity 5y ago by Ushumgallu‭

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Q&A Could human civilization live 150 years in a nuclear-powered aircraft carrier colony without resorting to mass killing/ cannibalism?

An un-treatable virus starts infecting and killing people. Societies are on the brink of collapse, and it is decided the best way to save the most amount of people is to move everyone who can fit i...

10 answers  ·  posted 5y ago by Alex‭  ·  last activity 5y ago by Alex‭

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Q&A What is the highest level of accuracy in motion control a Victorian society could achieve?

In my late-Victorian world high-precision clockwork is highly available, but I am having trouble finding out exactly how precise their work could be. I have done some research on the subject, but ...

4 answers  ·  posted 5y ago by A Lambent Eye‭  ·  last activity 5y ago by A Lambent Eye‭

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Q&A What can my moons be made of?

So I asked a question before about having two moons. A wise patron suggested my moon be made out of something like blown glass, in order to have a big bright moon that isn't too dense. That has me ...

2 answers  ·  posted 5y ago by Bett Struble‭  ·  last activity 5y ago by Bett Struble‭

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Q&A How to figure out layers of the atmosphere?

Earth's atmosphere, as you probably know, is divided into five layers - the troposphere, stratosphere, mesosphere, thermosphere and exosphere. https://en.wikipedia.org/wiki/Atmosphere_of_Earth#Str...

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

Question atmosphere planets
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Q&A Injury to the lower jaw - what would be the consequences?

One of my characters suffers an injury where a spike pierced his lower jaw and severed his tongue. Ignoring the fact that he may not have survived this wound under normal circumstances (eldritch p...

2 answers  ·  posted 5y ago by Henderson‭  ·  last activity 5y ago by Henderson‭

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Q&A Is it possible to farm in a swamp?

In my world they live in a swamp similar to the Okeefenokee swamp in Georgia. My question is, would it be possible to farm certain plants like wild rice, milkweed, and lilypads in these conditions?...

3 answers  ·  posted 5y ago by BloodyNightStalker‭  ·  last activity 5y ago by BloodyNightStalker‭

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Q&A Why would a virus evolve to subsist on an energy source that doesn't exist on their planet?

In my world, I have a dangerous virus that has evolved to subsist on Aether, which for now I will just call its secondary energy source apart from a normal infection of an animal. Yet on the planet...

4 answers  ·  posted 5y ago by Jefferey Dawson‭  ·  last activity 5y ago by Jefferey Dawson‭

Question evolution viruses
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Q&A Can I have a forest in the rain shadow of a mountain range?

I've pretty much finished the map of a world I'm building for a fantasy novel, but I've realised that on one of the continents I need there to be forest on both sides of a large mountain range. I'v...

6 answers  ·  posted 5y ago by Nora R‭  ·  last activity 5y ago by Nora R‭

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Q&A Ultimate fate of someone falling out of a skyscraper in warped gravity

At the climax of my story, most of the people on the planet have the way they interact with gravity magically altered. Until a week passes or they die (whichever comes first), instead of being pull...

2 answers  ·  posted 5y ago by Jason Clyde‭  ·  last activity 5y ago by Jason Clyde‭

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Q&A Hiding a solar system in a nebula

I have a planetary system with a yellow dwarf similar to our own Sun and three habitable planets. I want to hide this system from sight and long range scans in a nebula, a giant cloud of dust and ...

3 answers  ·  posted 5y ago by Thalassan‭  ·  last activity 5y ago by Thalassan‭

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Q&A Fusion powered aircraft methods

I am trying to design a single seat fighter capable of achieving (or getting close to) hypersonic velocities at high altitude. In this universe I am assuming compact fusion is a common technology. ...

3 answers  ·  posted 5y ago by Bradley Knauer‭  ·  last activity 5y ago by Bradley Knauer‭