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For starters, allow me to define more carefully what I am asking. For now I am not worried about any of the following, as if this question is answered they will be covered in later questions: The...
The Snakebot of Doom - now dubbed Jormungandr by the first humans to encounter it and survive - is busy steamrolling New York into rubble, having first nuked the capitols of every member of the Nuc...
I have to feed my dinosaurs, the plants in the land are mostly destroyed, but the ocean is almost "untouched", so of course, I'm gonna feed my feathery friends with a lot of algae, specially made b...
I have dinosaurs, I have an asteroid I want to save the dinosaurs from the asteroid, but I'm not allowed to use the giant laser again, after that incident in Alderaan. So I have only one chance lef...
Where am I? It is so dark around here... Hopefully I have a torch. It looks like I am in a very long corridor. Time passes What? No this couldn't be! I walked straight in front of me d...
For my space-fantasy setting I'm considering using the concept of Hollow-Worlds. I devised in-universe reasons for the presence of a day night and season cycle. The Hollow-world's "Inner-sun" cy...
I am assuming that monkey like animals are more likely to develop some form of horn or antler than apes(feel free to correct me), the question is what would be the most plausible function of the ho...
In my world, having a nuclear reactor at your own house is legal, in fact government donates money in the form of subsidies ( So no constraints of funds). This might have been practical because of ...
If a rocket ship with limited fuel has fallen into a decades-long elliptical orbit around the Sun, where in the orbit should it fire its engines in order to achieve escape velocity with a minimum o...
In his answer to a question on our Science Fiction and Fantasy SE about how Westeros in Game of Thrones produces food during the winters, Superbest says: "Martin's conception of a multi-annual win...
In many sci-fi settings magnetic boots are used to help astronauts walk in microgravity. However, not all materials are ferromagnetic. Titanium, aluminum, the most form of carbon and silica can not...
As the title suggests, I'm trying to make the bunker viable in the arms race again. Note that does not mean it has to be indestructible. While some may contend that the bunker will lose the arms r...
Would it be possible for a spaceship of some sort to descend from space and through the atmosphere of an Earth-like planet, not land, then turn around and head back into space? In other words, coul...
We all know that equation for surface gravity is $$ g = \frac{4\pi}{3} G \rho r $$ So if we want Earth-like surface gravity of $ g = 9.81 $, then the equation for radius is $$ r = \frac{3 g}{4\p...
I'm writing a story about a company similar to Google, i.e. which wants to know everything about everyone and which wants to trace everything that is traceable out there. But which, at the same tim...
I'm trying to figure out what weather patterns and geographical conditions would exist on a habitable moon that is tidally locked to a much larger planet/gas giant. From my research, I was able to ...
A follow-up to my previous question-barrage: Properties of magnetically confined plasma shielding After some of the feedback, I'm splitting it into several smaller questions. In the world I'm b...
L.Dutch made a worthwhile observation in an answer to a different question: Moreover for close range shots there is almost no time to react and move the limb: for a shot fired at 20 m, with a s...
I was wondering, could the use of chitin (assuming it's composed the same as in insect exoskeletons) combined with hydrocarbons feasibly make a working endoskeleton? I know that chitin could be use...
So I've created a map of a fictional world using the guidelines established in the Creating a Realistic World Series. However, like all creative endeavors, the first few (hundred) maps are not goin...
This is all about a thought experiment : Is there an hypothetical (or may it be real?) case of a stellar system, in which both methods of transit and radial velocities, are invalidated by some or...
The Question: So, in my fantasy world, I have a race of human-like creatures that can talk to any land animal. The basic question is what kind of and how many voice boxes would this race need to be...
For the purpose of a story, I would like to imagine a system of two Earth-like planets orbiting like Earth and Moon. I imagine that these planets were created by a gigantic collision at the beginn...
Would it be possible for a gas giant to have differently colored hemispheres? E.g. the northern hemisphere appearing blue when looked at, while the southern hemisphere would appear brown? (or any ...
Assuming that the planet is 20 light years away (so back and forth trips would be impractical) we have no clue whether there is any edible life forms on the new planet hibernation (freezing/thaw...
