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Q&A What would be a logical reason to explain space based families having more children than an earth based one

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 ...

31 answers  ·  posted 6y ago by Celestial Dragon Emperor‭  ·  last activity 6y ago by Celestial Dragon Emperor‭

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Q&A How far out can a pre-telescope human society (naked eye observations only) detect planets?

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...

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

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Q&A Is it possible to place a permanent probe on Uranus?

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...

2 answers  ·  posted 6y ago by Renan‭  ·  last activity 5y ago by Renan‭

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Q&A Let's float an island on an astrophysical jet

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...

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

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Q&A Artificial gravity as an engine

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...

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

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Q&A Making a medieval smoke bomb, quickly and reasonably

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...

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

Question chemistry
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Q&A One finger, one thumb, one arm, one leg, one nod of the head

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 ...

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

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Q&A What would happen to a human body subjected to extreme water pressure?

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...

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

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Q&A If people had hollow bones to enable flight how would you design armour to protect them?

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...

6 answers  ·  posted 6y ago by thelonelywriter‭  ·  last activity 6y ago by thelonelywriter‭

Question biology armors
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Q&A Is a planetary 'temperature inversion' plausible?

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...

1 answer  ·  posted 6y ago by Tristan Klassen‭  ·  last activity 6y ago by Tristan Klassen‭

Question atmosphere planets
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Q&A What is the biggest cartridge caliber that can be fired while standing?

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...

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

Question fire firearms
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Q&A Anchoring a Deimos base

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...

3 answers  ·  posted 6y ago by The Imperial‭  ·  last activity 6y ago by The Imperial‭

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Q&A Speaking three sentences at the same time?

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...

4 answers  ·  posted 6y ago by Sora Tamashii‭  ·  last activity 6y ago by Sora Tamashii‭

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Q&A Pangenesis and alien life

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...

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

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Q&A Semi-Brachistochrone, Is It Possible?

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 ...

1 answer  ·  posted 6y ago by The Imperial‭  ·  last activity 6y ago by The Imperial‭

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Q&A Could humanoids without a skeleton be viable?

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...

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

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Q&A Amputees, cardio, and flying humans

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...

2 answers  ·  posted 6y ago by 299 Neandertal Variants ‭  ·  last activity 6y ago by 299 Neandertal Variants ‭

Question gravity health
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Q&A How advanced would human civilization get if it was destroyed by insects every 20 years?

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...

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

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Q&A Designing the Scipmylo - The Low-jump

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 ...

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

Question humans sports anatomy
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Q&A The running-backwards Olympics

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...

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

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Q&A How long would it take people to realise some rabbits are sapient?

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...

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

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Q&A Does a large population make sense in a galactic society with automation tech?

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 ...

6 answers  ·  posted 6y ago by Sam Joseph‭  ·  last activity 6y ago by Sam Joseph‭

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Q&A Cave/Subterranean Lighting

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...

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

Question environment flora
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Q&A Botanical Barricades

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...

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

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Q&A How could a species that breathes through its skin develop spoken language?

I've been working on a fantasy race recently of sentient bipedal salamanders (sorta) and was talking with a friend about them until one of us realised that since they're amphibians they would breat...

6 answers  ·  posted 6y ago by Agrisan‭  ·  last activity 6y ago by Agrisan‭

Question biology language