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Writing about suspended cities within a planet's atmosphere! The story itself focuses on the air forces that fight for each of the hundreds of floating city states living in the sky, but that's her...
Would it be possible to make a sharpie or a dry-erase marker that would work in a vacuum? Would they already work? To that end could you make a dry erase board or some such?
Setting is 20 minutes into future - everything is as we know it, or as we can reasonably predict, except the zero-tau capsules. Capsule is a thin mesh of Unobtanium connected to a portable Handwav...
Previous to this question, I made a post regarding many questions about the biology of the creature I had been designing. Looking back on it, I realized that I asked a LOT of questions for just one...
With a powered-by-phlebotinum (ergo very handy, very powerful) rifle, I am able to shoot high-energy beams which, in turn, can pulverize anything in their path in a considerable radius. The beams c...
Usually when a population overgrows it expands in search of new land and if the fields are virgin and empty they become farmland and cities, but if the fields are already occupied and the resources...
I'm current planning a story which includes a race of diminutive humanoid aliens, one of whom crash-lands on Earth. They're fully sentient, and have the same average intelligence level as humans. T...
What role do satellites, communication towers, GPS, etc, play in the operation, and specifically the landing, of a space shuttle? If those and any other human-made things suddenly disappeared, cou...
This is a simple question, hopefully not broad. My colonizing company wants to put little habitats on the surface of a planet with more gravity (2.0G) than earth. Is there a way to reduce gravit...
Our teeth are prone to fractures when dry due to their crystalline internal structure. Because of this, a majority of terrestrial animals with a similar tooth makeup have lips to keep the teeth moi...
No, I am not talking about space ships, I am talking about water-based ships sailing the oceans on planet Earth. What would be a plausible cruise speed and maximum speed for what would be the equi...
My colonizing business found a small planet with about 0.8G. They would like to build the colony in the giant caves under the crust of the planet, due to the conditions of the surface,(little atmos...
There exists in folklore from various cultures of a condition in which rows of teeth are present in the female genitalia. The purpose of these stories, like most folktales, was to serve as a morali...
I'm not talking about the ISS. I'm talking about larger stations such as Bernal Spheres, O'Neil Cylinders, Stanford Tori, good old-fashioned hollowed-out asteroids, and so on. We have a sci-fi gam...
I have a story in a mediaeval setting with no magic. There are elves, but they are essentially just absurdly long-lived versions of humans with pointy ears and somewhat more acute senses. Unicorns...
A secret society of inventors has been hiding for years. Finally, they have designed their Mars base in the year 2019! Unfortunately, they "borrowed" most of their supplies. If they were to build a...
I'm writing a speculative fiction story that includes superhumans. The focus is on individual characters and their daily lives, and I'm trying to maintain some consistency by not throwing all the l...
I'm the city designer for a new city we're calling Morrowville. Having some of the worlds top minds, flying cars have been invented, but can only fly a few feet (2-4) from the ground and not everyo...
I have found this idea on a discussion on /r/worldbuilding. Anyway, the premise is as follows: The planet is earth-like in terms of size and mass. The planet has a very large amount of small, act...
When developing a medival fantasy realm, especially one with no known healing and restoration magic, one may need to develop the people's understanding of science and medicine. A unique example of ...
I'm creating a sci-fi world similar to ours roughly 50 years in the future. Unobtanium, a futuristic metal and fuel source, was discovered in 2020. Its broad utility led to rapid advances across al...
Scientists have discovered an Earth-like planet in another solar system, with the same gravity, atmosphere composition, etc, and they decide to colonize it. There is only one problem, though. It is...
Let's say there are billions of asteroids in the galaxy, varying in size from baseballs to hunks of rock almost big enough to be dwarf planets. If someone wanted to set up a habitable location on o...
I am currently working on a magic system that involves Thermokinesis, which is the ability to manipulate temperature. This power involves controlling the rate of movement of molecules, which is inv...
Starting in 541"“542 AD, the Plague of Justinian and a series of subsequent outbreaks killed between 13-26% of the world's population. The plagues were caused by Yersinia pestis, the same microorga...
