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After playing some HyperRogue, I got interested in the use of hyperbolic geometry in WorldBuilding, in particular how an area grows exponentially with respect to its radius. Let's say that the uni...
Is it possible that a tiny amount of dark energy(much smaller than even the iron core of earth) could lower the gravity on a planet without breaking the planet apart? I mean, dark energy is basical...
I had a dream the other night about an alien invasion. In this dream, I was one of the first people to be aware that the aliens had landed, and of course I wanted to warn others. The aliens were lo...
Scenario for a novel: Earth mass planet (say between 0.8 and 1.4 Earth masses) captured as moon by migrating gas-giant (say 5 Jupiter masses) (not wedded to this setting, moon can be bigger or s...
Let's assume you have access to some pretty crazy tech but that you still have to obey the basic rules of biology. If you build your cyborg so that the only remaining squishy bits are the brain and...
I'm at the mall and Yellowstone erupts - My, and everyone else's car is covered with ash, fire, and maybe even lava. Lets say it was a big shopping day too, like Black Friday or Christmas Eve, just...
The Inflatable Hedgehog or Zamba Zaraa is a creature, reported from the Gobi Desert of Mongolia. It is described as looking something like a hedgehog. When threatened, the animal strikes its tail ...
So in the Marvel universe, Thor and other Asgardians are not Gods. They are simply very advanced human-like beings that have used science and tech to become harder, better, faster, stronger. Thor ...
Hunger and tiredness both take a long time to cause a human baby to cry but hunger is often the longer of the 2. Now, yes, for us humans, a hunger cry is important, even though it attracts predator...
Thousands of years after a nuclear war that killed all life on the surface of earth, the descendants of the humans who fled to bunkers emerge... How deep would these bunkers have to be to prevent ...
I understand that asteroids are very very far apart, but everything I am reading about asteroid mining omits any information about what happens to the waste rock or "tailings" that would presumably...
Considering that much of the surface of the Earth is covered by water, what events have to happen to turn the Earth into a desert? What would happen to water that disappears from rivers and oceans?...
What would be the geographical and ecological implications for an Earth-like planet that experienced intense volcanic and supervolcanic activity on a scale that, while decreasing over time, was far...
I'm trying to provide a somewhat realistic explanation of how astronauts were able to overcome the harmful physiological effects of prolonged zero G exposure. As of 2017, issues include: bone/calci...
How does inverting global temperatures affect climate? Here exists a fantasy world similar to earth in all important ways. Except, however, that global temperatures have been flipped; it is colde...
Zombies are reanimated corpses by definition . If so, then they decay as a normal corpse does. Without any preservatives ( for corpses ) what should be the maximum and the least amount of time peo...
What's the longest plausible orbital period for a habitable planet with a 3:2 spin-orbit resonance? I want a planet with a 3:2 spin orbit resonance (which would experience 1/3 of a year of nightti...
This might be a little difficult to explain, but basically: the concept of "atmospheric ocean" is a gas that is found pretty much everywhere on the planet. Probably very dense and sinks to the surf...
The Starmakers are vast. Stars are their seeds, supernovae their hatching. Unimaginable millennia pass before they even begin to blink at their neighbours, and they do not die, merely pass along th...
I am currently working on a fantasy world setting and I had this idea about a world having a different sun every day. There could be around 3-12 suns in total, and every day, a different one would ...
"Your children will be born in a world of two suns. They will never know a sky without them. You can tell them that you remember when there was a pitch black sky with no bright star, and people fea...
This is the classic winter picture of a boreal forest, or taiga. This habitat exists only on subpolar latitudes, where the climate is too extreme for broad-leaved angiosperms to take root, thus ...
I want to make a powered light armor for my sci-fi setting. The candidate material is carbon, as it's lightweight and has a whole rainbow of different allotropes with different properties. I want...
Short variant of question: I have few big natural caves (really big). I want to transform it into shelters capable of keeping ~2.000.000 humans in hibernation, sleep, suspended animation or othe...
I want a story with upload-based resurrective immortality, but this also makes me feel like I need to address the implications of a society that's primarily dominated by digitized human minds. Na...
