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Okay, so I have this binary planet system. The main planet a bit bigger than earth with a size appropriate moon-planet. Both are habitable and with a humanoid species that evolved there. But, I k...
While by no means a smoking gun, there is still a reasonable amount of empirical evidence on the notion that socialization and testosterone are negatively correlated. Archaeological Evidence Fro...
The Scenerio In the very near future a NASA probe returns to Earth with a soil sample from an asteroid containing a strange substance able to catalyze cold fusion reactions. The economic value of ...
I would like to create a sci fi human faction that resemble vampires without many of the past tropes while reimagining some for a sci fi feel. I would like to avoid any magic and fantastical abilit...
In my story, something pretty insane happens during the 3rd season. The common conception was that an asteroid strike contributed to the extinction to dinosaurs, but unbeknownst to all it was not...
Imagine that humanity found a rocky planet with earth like gravity, atmospheric pressure, and temperature, orbiting a sun-like star. The only problem is that the planets atmosphere is that it is co...
In my world I would like to have a cyborg-inspired veteran, but am not sure what kinds of prostheses would be possible, ideally without the use of electrics. My main concern is how the prostheses ...
A world idea I'm playing with for a sci-fi idea I'm working on has an atmosphere similar to the composition of Earth's atmosphere during the Carboniferous Period: Lots of oxygen, so while a human o...
Inspired by this great answer. There is a planet with: Floatium, a superconductor that behaves as such at 0 ºC and is found in nature. A stronger magnetic field than Earth's. In really cold a...
I have an idea for a world such that the world itself is like a large loop. The best way I can think to describe it is going step by step through the "loop". Imagine a planet-like object; a sphere...
I have a race of octopodes with the same intelligence distribution as humans. I want them to "colonise" land to a similar extent as we have "colonised" space; have regular transport between the oce...
Far, far into the future, pretty much the entire Milky Way has been colonised by humans. The thing is that now the Empire has fallen, the technology of FTL travel has been lost in most places. Thos...
I'm working on a story that takes place on a world that has 3 moons. At least 2 of the moons are the same size. They align extremely rarely. Otherwise, it's an earth-like planet. There is one...
We know that light exerts pressure upon matter. I'm imagining a hallway where an intense light source on one end shines towards the other end. The goal is to have the beam of light exert so much p...
Let's say that there are two people named S and C. They are not far apart; less than 10 meters. Let's also assume the scenario takes place in late evening or in the night, for simplicity. Normally...
Imagine a civilization capable of interstellar travel and building Dyson structures, so technological advancement and energy acquisition are not a concern. They found a planet that is very Earth l...
As seen on others questions biological radio could be a thing. How to evolve biological radios? What would a species require to be able to inherently transmit and receive radio waves? I was inte...
To be more specific, I mean what if every wire, every power cable and transformer on the connected grids to the nuclear power plants all ruptured at once. The transformers literally exploding, the ...
There's a planet called eaglypt whose surface is 100% barren desert. However, there is a twist: the planet's core consists of liquid water, and there are a few places where this water seeps through...
Simple question that might seem odd. Not going to get too specific but I am curious, more or less, as to what it would look like for a planet that had a moon (A habital one) which was in essence ti...
You have a material that greatly enhances electric and magnetic sources or electro-magnetism in general. In this world, the material, is known to be a naturally occurring liquid found in geologic...
Based on a previous question asking about mechanical computing (Babbage engines, etc.) I wondered how a steampunk story could present the concept of a modern computer monitor in a steam-driven mech...
How can we have a world that is inhabited only by zombies and yet continues to be populated? For the purposes of this question, I envisage the type of zombie that has been infected by a virus, is...
We know through the works of Babbage, Lovelace, et al. that mechanical computers (computers operating through gears, cogs, etc., and powered by steam or some other arbitrary non-electric power sour...
I want to add realistic elements to a futuristic environment I am working on. Realistically, the animals we know of today will change over time and it's more likely smaller ones would survive, so I...
