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Lore: "Not much is known about the past of Unus Solum. What is known is scattered and fractured. Unus Solum was a planet that was subject to colonization efforts. The Ark ships that came were pre...
I want to have a world when humans got serious about global warming and succeeded in making Lithium Air battery work. Since the lithium air has same potential energy density as gas, and electric en...
I'm really excited that this topic actually exists here. For the past weeks I've been thinking about creating my own fantasy world - because there are not quite enough yet. My primary aim is to mak...
The story So Bob, the multi-billionaire, is a wealthy person today but in a not so far away future he will lose quite a chunk of his wealth and become just an ordinary millionaire. Future Bob is ...
Is there any practical g-limit for unmanned spacecraft, or could you theoretically push a missile to significant fractions of c in hours or minutes while pulling hundreds or thousands of Gs? I need...
I have an earth like planet where stalkers live. They are: Humanoid about same height, strength & speed as humans Three pairs of eyes placed horizontally (Near UV, Visible, Near IR) Lightspee...
I've looked around here a bit, but I haven't managed to find a post that really answers my question (though if there is one, please let me know). I'm trying to write a story where the two main cha...
I'm writing my first sci-fi novella and I'm looking for a bit of guidance from some scientifically literate people. My main premise is that an alien space ship similar to the death star enters Eart...
This, unsurprisingly, is also related to mermaids. Spearguns using rubber bands and the like are popular underwater weapons, so slingshots would be useful to mermaids. The problem is, these requir...
I am trying to fact check a consistent set of properties and applications for the titular unobtainium from the Mass Effect games in order to avoid introducing contradictions. Certain sources I rea...
I was considering the possibility mermaids might make use of sailing ships similar to the USS Monitor, but with sails and supposedly wood. Now, the mermaids wouldn't mind the ship being filled wit...
There was a good question and answer here: Does mermaid evolution come with buoyancy control? But I would like to expand the question. I got off talking with a friend, it got me thinking about mer...
Assuming one had access to all modern technology but couldn't go into space, would it be possible for the protagonist to permanently stay in sunlight? While it would be trivial near the poles durin...
Imagine a landship that can travel on a mostly frozen icy world. How big can it be while being capable of traveling and being self sustaining? It should be able to; travel great distances be s...
An interstellar civilization has superluminal travel which allows for travel between two points, effectively without traversing the space in between so they don't crash into anything between them a...
Imagine: A Kardashev Type I civilization mainly resides on a planet analogous to Earth, with one moon, analogous to Earth's moon. Eventually, the society grows so complex that machines filling spac...
I'm working at a story about the future of life in our Solar System. Humans have gone millions of years ago, but they left behind them a group of highly intelligent but not superhuman AIs with the...
Space is vast and lawless. Private travel is commonplace, and pirates have become a significant problem. People mainly fly orbit-to-orbit craft that have chemical rockets and no one is running arou...
My setting is a habitable moon with freestanding water orbiting a gas giant. Originally I thought the gravity of the jovian world would tend to draw water toward the tidal bulge of the moon itsel...
So, I'm familiar with Steam, Electric, and hand powered machines... What else can you do to power a machine (say, for example, a car or a pump)? Requirements: Assuming you build everything from ...
In the book I am writing, I am going for a a partially terraformed Venus setting. I like the concept of floating cities, but I want to be able to make it a little easier to live up there. If coloni...
On a world I am building, the day/night cycle last 9 years, meaning that there are interesting forms of life. Plants are the most interesting of these living things, which have many interesting for...
The conclusion of my question Is it possible to have a planet unsuitable for agriculture? was that the most plausible reason for preventing agriculture from developing (beside nomadic herding) was ...
Think about a scenario in which, on a given planet, a complex life form has already evolved. In your opinion, what are the odds, for this complex form, to evolve towards intelligence? With the...
I am making a game folowing the development of civilizations on an alien planet, however as i am almost done with the geography of this planet, i have come to realize that my continents which are s...
