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Assume a location which is heavily polluted with dust of several types of elemental metals (copper, silver, nickel, cobalt etc) or their respective oxides and salts (whatever is stable in humidity ...
This question about eating on a alien world got me thinking.... Would it be easier for humans to colonise a world with existing life, or one which was biologically dead? For the living world, let...
If the immune system of a healthy human just shut down completely and instantly (magic, nanotechnology, whatever), and after a certain time period it went back to normal, how much time without the ...
I initially assumed my world was going to be pure fantasy, but the more I think about it, the more I consider having the story take place somewhere on Earth, either as alternate history or the far ...
So I have a humanoidish race of creatures that don't have clavicles and gives them more mobility of their arms/ hyper mobility. While ik about the Cleidocranial dysostosis, the birth defect or muta...
What are the most important factors in determining how fast technology progresses? And roughly how fast might that be under optimal circumstances? Innovations have to be dreamed up, but there mus...
The planet is huge roughly four times the size of earth, with lots of hydrogen in its atmosphere (group A water in Hydrogen out, B water out.) it is also very humid. what do I do to have giant Stor...
I've thought of a super-earth with 30% higher gravity, a denser atmosphere, which facilitate the willing suspension of belief for my giant fireflies that terrorize the local humanoids. Due to the h...
One way of creating artificial gravity is acceleration- gravity by inertial mass. So in theory, if we would find a way to travel interstellar space by accelerating, reaching near light speed, woul...
So as most of you probably know, cows don't produce milk all year round for no reason, they need to be pregnant and then you gotta do something with the calves"¦ Now in my story that has an ecosys...
For this question, I was inspired by the following image of the "Jupiter Abyss": What I want to know is, can a Jupiter-like gas giant have thousands of giant black storms, kind of like what I've...
I've plans for somewhat 'realistic' (and that's already quite a stretch of the word) superhuman characters whose muscles have the strength, density, and tensile strength that can stop most low-powe...
In this world, elves developed along similar lines of homo sapiens, with some major differences that allow for a small metamorphic ability. Their epidermis, the outermost layer of skin, can be shap...
The illustrations of O'Neill cylinders I have come across with so far allow unrestricted view through the whole tube. Some are more playful with topography but still, there is a visible end. Are t...
In my world, electricity has not yet been discovered, and many advancements in society progress on a purely chemical or mechanical basis. Lasers are incredibly useful and multifaceted tools, and I...
These creatures have the ability to see all possible outcomes within their vicinity within the next 30 minutes or so. This is not the same as foreknowledge that they have no choice over. Even if ...
We had a long discussion in my office about this - if we were in a smallish 500m diameter O'Neil cylinder would hot air balloons work?
What would be the optimal geography for a thriving capital, located in a caldera ? I'm building a fantasy world with multiple intelligent species and civilisations. There is magic in this world, b...
In the mythological stories of the Baku, they eat the nightmares of those who call upon it, but if not satisfied they will eat the hopes and dreams of their summoners. Since the visual portion of ...
Imagine a small planet, rich with iron, but with a negligible atmosphere, mostly devoid of oxygen. Once harvested, how could iron ore be smelted and refined into iron? And would the ore itself be d...
So I had this idea of a world with an ocean sized pool of super hard glass that formed millions of years ago on this planet. I started to think of the implications of something like that: In some...
I have a character that can produce electricity. Would he be able to stick to things and move around on walls and ceilings using his electricity power in some way? It would need to be able to suppo...
inspired by this question Wearing vs Growing Clothes and this link medical news today Chemical peels A chemical peel involves applying a chemical solution to wrinkly areas, causing the ...
If a human /human shaped creature were to have a horn, horns or crest on their head, what shape, positioning and number of horns would be the best for the most damage? The human will be very muscu...
This is a question for an alien species. Is there anyway to scientifically justify having two separate beings/creatures that depend on each other for life? In other words, two separate bodies tha...
