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My augmented society of humans have managed to engineer their power-hungry cyborg components to run on a hydrogen fusion reactor. Whilst they have so far managed to fuel it by drinking lots of wate...
So let me explain the frame/world first, I actually think all of it is relevant as some details would probably have quite the impact on the outcome. I was hesitant to post the question as it's quit...
In my book series, I'm worldbuilding a planet whose culture is based on Celtic mythology and history, and in order to be consistent with real life I feel like the whole planet's environment needs t...
After 150 million years, the most successful empire in the history of Planet Earth finally collapsed 66 million years ago. A five-mile-wide space bomb--there's still disagreement as to whether it ...
Brief setting notes: it's a "basically earth" type situation, a spinning ball of rock in space with the same size and gravity and atmosphere and magnetic fields and everything else. The main diff...
Are there any areas of space where an antimatter object, the size of a small house could survive without coming into contact with any or extremely minimal amounts of matter? I had assumed in all a...
Background: We discover an artifact in the present day somewhere remote. This artifact is in the form of a small (approximately phone sized) sphere, and when researched, it is discovered to have th...
I'm writing a story about a modern age HEMA medievalist who time travels to the Viking age. Is it possible to make a crossbow with similar performance to modern age crossbows without using modern ...
The antagonist of my story trades steel with a non-human, and non-humanoid, race, in return for a magical substance. They place great value in steel as they cannot manufacture it themselves. That i...
Marsupials in the majority of the world are overshadowed by their placental cousins, with the notable exception being Australia. There they have convergently evolved many similarities to their plac...
In my story Giants, humans, and a bunch of other fantasy races live along side each other and i'm curious as to what might be an effective mode of transportation for 10 foot tall Giants with Ancien...
I, Rey Skywalker, am officially the greatest Jedi in existence. I successfully took down the remnants of the empire single-handedly, defeated my arch-enemy Kylo Ren, and killed Sheev Palpatine, t...
is it possible for certain creatures that can use infrasound or even vibrations as a defense mechanism, like: - causing them to get a severe headache or even weaken them - temporarily stunning its ...
Background This planet, located somewhere in the Andromeda galaxy, orbits a M5V star about 0.682764 AU away from its star. The planet is volcanically active due to the gravitational field of the ...
An extension to another question about Why would humans be the dominant species? In my story Giants, humans, and a bunch of other fantasy races live along side each other and i'm curious as to why...
So, vampires here are created from humans with the help of a stone mask. Now, they're supposed to be weak for two things: Having their brains destroyed Prolonged exposure to sunlight The first ...
I found a previous question on using chitin from giant insects to make weapons and armor, but the answer left out something I had considered for the medieval fantasy setting I'm developing. The ans...
In Greek and Roman mythology, the Astomi, also known as the Gangines, are an ancient legendary race of people who had no need to eat or drink anything at all. They survived by smelling apples and f...
Set in a distant future, every interstellar spaceship runs on antimatter propulsion which can achieve fractional speed of light travel. There is a doctrine stating that all spaceships with mass exc...
Amino acids, the building blocks of proteins and, therefore, one of the key components of life as we know it. There are many amino acids in nature, but they all stem from the same basic structur...
I want to have air transport as the dominant means of public transportation in my fictional city. But how would such a system operate to handle many commuters with maximum efficiency? Specifically ...
So, I want my dragon to be able to do stuff like open doors and whatnot. Using the wings is kind of awkward and takes up considerable space, and because of the coronavirus, the mouth is also a no-n...
The TBD are a fantasy humanity offshoot that is fully adapted to life a few kilometers beneath the surface, settling in cracked earth near vents and hot spots. Air quality ranges from stale to tox...
I've seen several people independently come up with the idea of three or more sexes where one sex is responsible for brooding the young (pregnancy, pouch, feeding, something along those lines) but ...
In a world that takes place during the Victorian era (1837-1901), how effective would period-accurate firearms be against something similar to a dinosaur? As a brief aside, I will accept weaponry f...
