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I'm currently toying with a post-nuclear apocalypse, with most, if not all, human survivors living in underground bunkers or vaults, and probably away from previous population centers"”my test case...
I am working on a survival suspense story, where a sizeable group of surivors is trapped in a tropical island (somewhere in the Ring of Fire) by a volcanic eruption. They find shelter from the erpu...
A sizeable human population was separated from the rest of the Earth people for a long time, long enough for allopatric speciation to happen. They are no longer Homo sapiens and now have ZERO repro...
What could be the reasons for climate to be so localized that it could rain in one street and not in the next, be extremely hot in a city and not in the next, have extremely narrow gusts of wind......
A weird question. But let me define "a world without electricity": It's not that we haven't discovered electricity. But rather, electricity doesn't work anymore. Nothing conducts electricity. El...
You were born in Rome, when the Roman Republic was still in power. Your father is an upper middle class merchant and you are (or will be) the sole inheritor of his wealth. One day, a m...
In the particular world that I am working on, I am attempting to build a "utopian" society. A major piece of this society is that, effectively, all historical atrocities have been "forgotten" by th...
The worlds biggest problem is population growth. All that goes in bad way crime, corruption, assassination, robbery, murders everything is at increasing rate in world. And basic reason for all this...
I'm trying to figure out a way to create a situation much like the apocalypse of Turry from Robotica, but which involves all the people on Earth being either temporarily or permanently strapped int...
In this question, I asked about a universe with (amongst other things) 4 large spatial dimensions. In 3 dimensions, we have the familiar periodic table with its familiar arrangement of atoms in th...
Let's say we get a cheap technology to collect and then send (hypothetically all) our waste to the Sun by a rocket, and we choose this technology as the main (and only) method to utilize our waste....
I'm trying to setup a non-real scenario that doesn't break suspension of disbelief too much past the original idea. But so long as things keep consistency it should be fine. So you are flying a fi...
Supposing we had many thousands of antimatter bombs (they can be detonated in many different locations), how much total antimatter would we need in order to wipe out all humans on Earth? Supposing...
I'm wondering what adverse effects might be felt by someone from a planet with, say, 80% of Earth's gravity and a denser, but breathable, atmosphere with a higher concentration of oxygen visiting a...
This question about genetics (not required reading) contains the phrase "science of a Type II civilization." This got me to thinking: although we intuitively know what this means, does this actual...
I realize that many factors affect this answer so assume the following: Star type: G2 star (like our Sun) Composition: O2, N2, CO2, H2O atmosphere Magnetic field: Two different magnetic field str...
What minerals can we find in martian soil? Or what rare minerals can we find on our planet and can be placed beneath Mars? How deep, how much, and most important: how precious. I really appreciate ...
Say we have a large cargo spaceship and a small pirate spaceship. The pirate ship is the only one with any sort of weaponry (lasers, missiles etc.), but for the pirates to safely retrieve the cargo...
Say there is a civilian ship going less than the speed of light, travelling from one star to the next. In the event that pirates board the ship (or some other dangerous situation, like a hull breac...
So we all know that the majority of sea creatures use fins that move either from side to side or up and down to propel themselves. But our boats don't do that. Our boats use propellers - a rotatio...
James MacGuffin, famous archaeologist goes on one of many expeditions to Egypt. He crosses the Dead Sea from Jordan, and about halfway through, he is amazed at what he finds. A small group of large...
It would be useful for a story I'm working on to color the world or various dominant parts of it red. I'm trying to look into the following alternatives, but am open to further suggestions. Essenti...
I have a world I want to put together but I ran into a problem. Description This world is a cube infinite in all directions, exactly half of it is full of earth and half is space (where we see n...
What would be the characteristics required to make one region as hot as possible? How hot can it get; Can it be hotter than Dallol? Setting: an earth-like planet with all the same characteristic...
