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Yesterday I was reading through this question and it got me thinking: would it be possible on a ship or building mounted railgun to convert the energy from the recoil of the shot in order to partia...
In a world where people can feel each other's thoughts and emotions, is it possible to lie? Is it possible to think something different from what you really think? It doesn't make sense... When yo...
What would the effect on Earth be if Mars, in the space of one second, disappeared from the Solar System? Just simply was gone, leaving no residue, and leaving the space where it had been like it h...
I am currently at the end of my wits. No matter what change I do to the North American geography, northeastern Nebraska (42.4649° North, 96.4131° West), is still in the danger zone called Tornad...
Let's say two super-intelligent, self-improving AIs have, for whatever reason, decided "THERE CAN ONLY BE ONE!", and are now trying to kill/delete each other. How would they conceivably go about do...
Think stuff like plant only pokemon, Groot (Guardians of the Galaxy), veggie pygmies (D&D), etc How would people react to the fact that a vast majority of their veggies and fruits being much m...
So I was reading through some stuff and I though to myself, "could there be a square object in space?"
Space Voids are areas in the universe that are for the most part, empty. They lack stars, meteors and black holes; They are simply put, the lack of celestial formation. Considering that future un...
I was thinking of a universe in which there is a relativity that is between Galilean and Lorentzian Relativity. In this universe there would be effects of length contraction and time dilation but ...
Background Moonshot entrepreneur Elon Branson funds a migration to space. Instead of spending billions of developing safe space technology, he instead finds volunteers and shoots them in to spac...
Back home, there are three factors to consider: Mont Forel, Greenland's tallest peak, can be found in coordinates 66.9333° North and 36.8167° West The Arctic Ocean's average depth is 3406 feet,...
I'm looking to create a world with a predefined "once every X years" type of event, I realized that something like a comet would work for this purpose in terms of events but I need a planet with an...
Like this: If we were to build stations in deep space meant exclusively for human habitation, would chunky floating cities like this be a feasible design or would we be more likely to create som...
Hunting is dangerous; even for the predator, hunting can result in death. There have been countless example where a predator was killed by what was supposed to be prey. Animals have evolved many wa...
I was thinking I would have a race and at the most basic level it is a ground covering moss. As it encounters other colonies of itself they will join together to form one contiguous colony while ke...
I was wondering what is the smallest a terrestrial planet can be and maintain plate tectonics and generate a magnetic field, atleast to Earth's current age?
I'm trying do design a feasible passenger/cargo spacecraft stationed on a space station. It's a far future setting, but I'd like to stay as close to real physics as possible, specifically, anti-g...
I was watching a show, in which spirits, in the sense of Spirits you can summon, etc. are a common place in the world. The spirits, generally can be anything at all that is considered a spirit alre...
I need to know what would be the orbital period (so, how long would last a year/day) of an Earth-like planet tidally-locked to a red dwarf. The star is at the upper limit of the red dwarfs (so, ar...
Would the discovery of alien bacteria found on even an Earth analog planet preclude the possibility of colonization due to the potentially deadly nature of bacterial/viral infections? Put different...
Is it possible for nanobots to become so integrated with a creatures biology that they could be transferred via the creatures reproduction and passed on to future generations? 'Synthetic Biology' l...
In my story there has been an event which made the air toxic. Just a few breaths guarantees death. What event could create such an atmosphere in an unfixable way? The time is just before WW1. I...
The world I am designing contains several ancient artifacts that among other things, share the common trait of allowing users to short-range teleport (think the Blink ability from Dishonored). The ...
Self-explanatory. After my previous question about a sextenary star system and a black hole, I decided to dial back to just two parent stars and a planet. How close could they be if we in the real ...
First question What event would cause hydrogen to slowly replace oxygen in the athmosphere? it can be something natural or artifial. it doesn't have to cause too much mass extinctions. Some sa...
