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What might clothing designed to be worn, long-term, in microgravity look like? For the purpose of this question there are two categories. Practical, or everyday wear, and impractical or simply fanc...
In my yet to be named sci-fi universe humanity has begun to expand into space and has established large scale space stations near Earth and on places like Eros and Luna. I wanted the stereotypical ...
There are many questions on WBSE that cover most aspects of building a planetary system. (some examples below): Creating a realistic world(s) map - planetary systems How many planets should I ha...
Before anyone points the finger saying this is a tasteless joke, there are some actual good reasons to pick that specific planet for exploration among the giants in our solar system: Smallest mas...
An astrophysical jet is a stream of particles emitted by matter falling into an supermassive star/black hole, travelling at up to 80% the speed of light. A troll with a portal gun (which places p...
I have seen some people talk about the idea of ships using their magical anti-gravity systems in a story in order to not only give ships a standard floor layout and inertial dampener systems, but t...
How would an individual in medieval times, the days of castles, knights and horses, be able to make a quick fix smoke bomb, I read out of potassium nitrate and sugar, but I'm pretty darn sure you c...
One finger, one thumb, one arm, one leg, one nod of the head, sit down, stand up, keep moving We'll all be merry and bright https://www.kididdles.com/lyrics/o113.html I want a creature ...
First of all, I tried to look if this wasn't answered before. Found this and this but neither is exactly what I need. Some Context There's this race of humanoid fish people. They live in cities b...
A race in my novel have hollow bones to allow for flight. The character that belongs to this race is a warrior. It would be very easy to break bones simply by punching a fighter of this race. Is th...
It was disputed in the 1940s-50s whether Venus had a hot surface and cool cloud layer or a cool surface and hot cloud layer. As I recall, both were considered at the limits of plausibility a...
I'm designing three guns here: a two-handed rifle, a two-handed shotgun, and a one-handed handgun. All of them are breechloader guns, so they can only shoot once before reloading. The goals I want...
Some astronauts have just arrived in Mars orbit! They're fixing to set up a small refueling station/outpost on Deimos. One problem, how might they keep their small habitat and associated structures...
TL;DR - I want my angelic race to have the ability to speak in a way in which up to three sentences are communicated at the same time. (Assume English for the sake of simplicity. I want physiolo...
Darwin's hypothetical mechanism of inheritance was called pangenesis, whereby the body continually produced particles of information - gemmules - which aggregated in the gonads, and that that the o...
Would it be possible for there to be an almost torchship (essentially a very, very weak one) which could fly almost brachistochrone trajectories? So instead of a full on brachistochrone, where you ...
It's tempting to think that anything with the outer shape of a human would simply collapse in a heap if its skeleton were not there. That is surely true if the internal structure was the same as ou...
How might the cardiovascular health of someone with both legs below the knee missing be affected? Would people be able to engage in activities that involve sustained cardio, like flying? Backgrou...
In this world there has been a recurring population surge of ferocious insects every 20 years for many centuries. The setting is approximately our own time in relation to the existence of "cave men...
This is a follow-up to The running-backwards Olympics The designer of the backwards Olympics (aka The Scipmylo) is making good progress but there are some difficulties with the Low-jump. To be a ...
In a future world that is obsessed by not repeating the so-called errors of their fathers, there is a backwards Olympics, or Scipmylo. All the usual disciplines are featured in reverse where it is...
Set in modern day, a small warren of rabbits randomly achieve sapience in an unremarkable, rural countryside. These rabbits become capable of thinking and self-reflection, as well as advanced teamw...
So I am writing a Sci-Fi novel where humans are currently spread out over 440 Star systems ( ~ 2000 Light years). There has been several breakthroughs in Automation technology and all manual labor ...
I have a cave that is ravine like and stretches approximately one kilometer down into the Earth. Let's assume that the cave has a clear, crystalline roof allowing some light in. Is there any sort...
I have a clonal colony of trees that are around 150 meters in height and live in a wetland habitat. These trees cover the majority of the wetland area, covering thousands of square miles. What re...
