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In my story, all the fauna in the planet (basically Earth) has been instantly killed, leaving only flora and fungi. How long will it take before the effects start to show, and how long until all th...
I have wanted to write a story before about people on an arctic planet and other animals, particularly reptiles metamorphosing into polar bear people who hibernate through the winter. But is it po...
Suppose you had two intelligent species that came together and built a society or whatever. For the sake of example, we'll call them species A and species B. Species A evolved to see some subset of...
How realistic is the trope that wounds received in a virtual reality (VR) transfer to our own? Examples: In the Matrix (movie) and Neuromancer (novel), cuts, scrapes, and bruises seemingly jump f...
So SpaceX and the like are well underway to colonizing the Moon, but they've hit a snag. The colonists, of course, need water--and lots of it, for drinking, preparing food, growing plants, breathin...
I'm building a world with almost weekly extreme windstorms, driving the residents to either live underground or in the 'wind shadow' of sealed-off valleys. To sum up the windstorms' power, "You kno...
So the Human World has fallen apart: the grid is down, governments have imploded, the economy is in shambles, people have died in the billions, global warming has made severe weather (much more) co...
For my world, I would like a coastal mountain range that partway along its length is offset by a few (say, 100) kilometres, forming a pass through the mountains, like so: (N.B. I've drawn this ...
Planet: Xibalba (Mayan Hell) Tidally locked planet around a red dwarf that is very active with solar flares being a daily danger. The habitable zone around the planet is made up almost entirely ...
(I bolded the actual question, below, so if you want to skip the preamble scroll down to the bold lettering) I am working on a world that is very similar to earth in some ways, exactly the same m...
So I have some worlds with different physics, and need some way to explain it. As with other sci-fi, it would seem best to find something plausible but may be extremely unlikely or have negligible ...
I'm working on a humanoid vertebrate species that I'd like to be capable of true, flapping flight, but still have arms and legs completely separate from the wings. I also wish to avoid a "six-limb...
I'm trying to calculate the solar declination at the solstices, solar altitude at solar noon, and hour angles at sunrise and sunset to build a standing stone calendar at latitude 53.8 degrees South...
I've read several of the questions about language shifting and diffusion here, and it has unfortunately left me more unsure of things than I was before. Situation: Colonists on an arid planet s...
I'm thinking of a plot where the Earth is taken over and literally eaten by a race of giant alien beings who use mass-energy conversions to power themselves (These guys are as big as the sun, body ...
Mains power electrical systems on Earth supply a fixed standardized voltage to a number of devices, which are all wired in parallel with each other. However, on the planet I'm writng about, they d...
In this world, there exist a race of humanoid people which, for simplicity, we'll call Rockfolk. Their skin is grey, and visually resembles stone. It is also exceptionally tough and durable, to th...
I've been thinking about writing a fantasy novel set on an earth-like world with Saturn-like rings. I've been doing some research here by looking up questions about worlds with rings, of which ther...
I am trying to work out the size and (because this is among other things for populating a rotating habitat) weight of an arcology made to house, say, 5000 people - that seems a good number for a se...
This is a water world with depths ranging from 2-3 kilometers deep up to vast shallows of only a few meters deep usually around volcanic islands, where there are coral islands not bigger than Hawai...
I am considering writing a fantasy novel. This novel would be set on an earth-like planet, but certain story details require that the planet have either a much larger or much closer moon than Earth...
Mining on the Moon, and by that I mean removing mass from the Moon, I believe will affect the equilibrium of the planet and cannot be compared to mining on Earth. When we mine on Earth we don,t rem...
I am trying to create a planet that either has no oxygen in the air, or it has very little; i.e. not enough to sustain humans without the use of a breathing apparatus. Large portions of the planet ...
My previous question was how to classify a domain (now superdomain) of duocellular life named Duotorusa. Anyone who has taken high school biology know that all life on earth are divided into th...
Many fantasy stories involve some variation of a dragon, and while there's a lot of variation in whether or not they fly, if they can breathe fire, how magical they are, etc., the strength of drago...
