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[Question] [ In the background for my book, I'm looking for an alternative way for space travel. What I'm currently considering: A starship travels to the center of a star by using the natural downwards flows that occur naturally in some stars, then uses the extreme gravity down there to create a wormhole and appear ...
[Question] [ I came up with an alien species that has the following reproductive life: * They hatch out of eggs, tended by their mothers, and by the end of the first year (about two Earth years long) they are ready to mate as males. * After mating they go into a metamorphosis cave; by spring they will come out as sl...
[Question] [ Currently your work and life schedules fall mostly into 'day' and 'night', with a few areas breaking up work times into 3 part shifts, morning, evening night etc. Imagine we live in an artificial enviroment, most likely a space station or world ship, which does not have a sun and light comes from electri...
[Question] [ What factors should be considered for creating a Professional Army in a medieval based society? Basically in a Feudalistic society how would a professional army function? What benefits would this create? What drawbacks? Why would a monarch choose to have a professional army? Would it be like the Roman E...
[Question] [ I'd like to tip my hat to this week's fortnightly challenge with this question. In a world I'm currently developing, I have a region that is dominated by trees that have developed a unique adaptation that allows their bark to absorb moisture and nutrients directly, rather than having to pump it all up fr...
[Question] [ I'm trying to figure out a way to create a situation much like [the apocalypse of Turry from Robotica](http://waitbutwhy.com/2015/01/artificial-intelligence-revolution-2.html), but which involves all the people on Earth being either temporarily or permanently strapped into a version of the Matrix without...
[Question] [ I'm in the process of designing an old map (18th or 19th century) and I would like it to look worn out. But then I was wondering where it should be more damaged. I would prefer to avoid damaging the map randomly. The map would be folded, so I expect to have signs of wear (cracks) where it folds. **Where ...
[Question] [ I'm building a post-apocalyptic setting where the cataclysmic event is a volcanic eruption from Yellowstone that releases a blanket of ash that reaches from California to just before the Midwest. Earthquakes are also felt across the world, many demolishing major urban centers. I'm hypothesizing a volcani...
[Question] [ If there are several races with very distinct appearances (e.g. Nordic-pale vs. Arabic-tan skin, red vs. black hair, etc.), how much space / natural barriers do I need between their homelands to justify these distinctions? Also, some of the races may have cultural taboos against interbreeding, but most d...
[Question] [ Hey first post here!! I have a species of Synth-animal that is designed to upset ecosystems, consume ***all*** crops and livestock, and depopulate cities. The animal is around the size of an American black-bear but they act like omnivorous locusts swarms when in large numbers (they don't fly to be clear)...
[Question] [ **This question already has answers here**: [How long could a nuclear warhead remain functioning underground?](/questions/132443/how-long-could-a-nuclear-warhead-remain-functioning-underground) (5 answers) Closed 1 year ago. A sudden cataclysm takes place. The human race is all but wiped away. And...
[Question] [ Would weighted clothes be enough to simulate Earth-like gravity in a low-gravity environment? If even by using centrifugal force on a space station would feasibly only produce a gravity that is a fraction of Earth norms, could that be supplemented by clothing made of heavier materials or bulkier construc...
[Question] [ There are a lot of large starships in sci-fi but their influence on a solar system is rarely deeply explored and kept fairly limited. For example, in Eve-Online fluff, titans are considered massive enough to alter tides on nearby planets but that's about the full extent of their effect. (I'm assuming tha...
[Question] [ I want to make a world with a great deal of variation in habitability in terms of temperature and pressure. Some areas would be habitable; others less so, some would require protective clothing and some might not be accessible without pressure suits / protective vehicles. The plan is to start with an app...
[Question] [ There are a large number of superheroes who get around via [some kind of super-parkour](https://tvtropes.org/pmwiki/pmwiki.php/Main/BuildingSwing). These range from superheroes who swing webbing like *Spider-Man* and his many imitators (e.g., *Spinnerette*), to ones who use more "grounded" methods of par...
[Question] [ **This question asks for hard science.** All answers to this question should be backed up by equations, empirical evidence, scientific papers, other citations, etc. Answers that do not satisfy this requirement might be removed. See [the tag description](/tags/hard-science/info) for more information. Obvi...
[Question] [ In the faraway land of Backeye, people have developed a secretive language called *Pasgas*. Rather than enunciating words, or forming them with gestures, *Pasgas* speakers communicate by passing wind. They control the pitch and the duration of each toot, with a single phoneme being able to convey as much...
[Question] [ A notable character in my story is a notorious pirate known for his ruthlessness. His notoriety makes him a target for other pirates, marine soldiers, and whatever else decided to make a home in the unforgiving depths of the sea. To protect himself, he’s come in the good graces on a metal dragon who, in ...
[Question] [ Could animal produce less than 700MHz radio waves to communicate ? I don't want those waves interfere with mobile phones and other intercontinental radio communication my space colonists would use. Is it harmful, and could they produce an alternative current powerful enough to produce those waves? Is it ...
[Question] [ In the supernatural plane of existence known as The Exhibition, time appears frozen - nothing is moving, falling objects are suspended motionless, the works. In addition to this, while outside visitors and their belongings move as normal, the inertia of native matter is 100x, maybe even 1000x what it nor...
[Question] [ We have [escaped the galactic government](https://worldbuilding.stackexchange.com/questions/87034/now-how-to-escape-fun-loving-immortals), and now our greatest endeavour yet, life in space. How will these gargantuan space entities eat and survive in space? * The whale or other in question is the same siz...
[Question] [ Within my desert landscape--in which the climate is similar to the [Sonora Desert](https://en.wikipedia.org/wiki/Sonoran_Desert)--there are many canyons, one of which sports large, clustered growths of [Elbaite Tourmaline](https://en.wikipedia.org/wiki/Elbaite) crystals, averaging out at a height of arou...
[Question] [ **Closed**. This question needs to be more [focused](/help/closed-questions). It is not currently accepting answers. --- **Want to improve this question?** Update the question so it focuses on one problem only by [editing this post](/posts/65198/edit). Closed 6 years ago. [Improve this question](/pos...
[Question] [ First of, a little parenthesis about how my magic works : * Magic is a calculable energy contained in some alloys and people. It can be manipulated in about the same way as electricity (with conductors and isolation) * Magic energy can be used as an energy in the same way as oil and is really powerful at...
[Question] [ It’s an alternate 2023 (oh, 2012 is just so cliché), and Kanye West, in all his megalomania has nudged a toxic comet of death into a collision course with Earth. US Government hacks conclude that the comet will render the surface of the planet uninhabitable, and so draw up plans to build a massive nation...
[Question] [ I am imagining a water covered planet. There could be a few pieces of land scattered here and there, but >99% of the planet's surface is water. There are various ecosystems and biospheres where a race of super intelligent octopus-like creatures have risen the evolutionary ladder. The steps it took to get...
[Question] [ Venus is being paraterraformed with floating cities. Mechanical machines collect material from the surface and send it floating at an altitude of about 50 Km where conditions are more Earth-like. Here the material is assembled into building. The "city" is not in one piece. Each building has its own floa...
[Question] [ Tangentially related to [The evolution of neon kittens](https://worldbuilding.stackexchange.com/questions/37777/the-evolution-of-neon-kittens) Is is possible for a star to radiate in the ultra violet spectrum but not much in the visible light spectrum? If not, is there any mechanism that would block a lo...
[Question] [ I'm looking for some data to create my own sci-fi setting, but I want to base it on real world as much as possible. Also, I don't want to come up with any arbitrary year like 3290 with no background on it. I thought a lot about it, but I still can't find a good answer. What I want is a setting where the ...
[Question] [ I'm designing an earth-like planet with a relatively similar biosphere to earth's. The explanation I have for the close parallels is mostly a hand-wave: This planet and earth are linked by a number of wormhole-like structures that randomly exchange material from one planet to the other. The exchange of l...
[Question] [ According to [Wikipedia](https://www.wikipedia.org/wiki/Roche_limit#Roche_limits_for_selected_examples) and [this answer](https://worldbuilding.stackexchange.com/a/26733/6507), the Moon is orbiting the Earth at a distance around 20 times greater than than the point where it would break up. As far as I ca...
[Question] [ In the Hickhiker’s Guide to the Galaxy: Mostly Harmless, on the planet NowWhat there are the [Boghogs](http://hitchhikers.wikia.com/wiki/Boghog), and their way of communicating is to bite each other very hard on the thigh, so my question is, if I were to ever encounter one and I wanted to have some sort ...
[Question] [ I have always thought the idea of infinite punishment for finite sin felt *wrong*; it's vindictive in a way only petty humans can be. Additionally, it seems the best rehabilitation would be an induced perfect empathy. Finally, people often report seeing their life flash before their eyes in near death ex...
[Question] [ I want to draw a battle map for the cover of my book. By *battle map* I mean an image like this: ![Sample battle map](https://i.stack.imgur.com/E1pwk.jpg) What tools can I use in order to draw such map easily? [Answer] If you don't have (or are too cheap to spend) the dinero for the optimal solution, ...
[Question] [ I'm imagining an electromagnetic wave that could deliberately alter its wavelength. It would be a totally unfamiliar type of creature, but actually, we material beings act because of the electical neuro-signals in our bodies. So assume that it's a wave that could change its wavelength. I'm also thinking ...
[Question] [ In this setting, humanity has advanced to the technological capability of extra stellar travel via faster-than-light drives. However, due to distances between inhabited areas being extremely large, travel between two systems is still very, very slow and resource intensive, taking years at a time (As ligh...
[Question] [ Suppose we have an earthlike world orbiting an artificial star which produces light but no solar wind. I would like to understand the implications that a lack of solar wind would have for the planet. (I'm not currently concerned with the feasibility of an artificial star or how one could or could not wor...
[Question] [ **This question asks for hard science.** All answers to this question should be backed up by equations, empirical evidence, scientific papers, other citations, etc. Answers that do not satisfy this requirement might be removed. See [the tag description](/tags/hard-science/info) for more information. One ...
[Question] [ So, I am setting up a world for a DND campaign in which, through a magical accident in the past, the face of the globe is covered in ocean, all except for a few tiny islands where the highest mountain peaks were (I am hand waving the obvious problems with altitude and climate as the nature of the acciden...
[Question] [ In the DC and Marvel universes, alien invasions seem to happen almost weekly, super-villains have impossible technology, which they use to rob banks, and genius super-heroes invent equally impossible technologies to combat them. And yet somehow, nobody seems to come up with practical applications of said...
[Question] [ What would be the design of a near-future extreme-cold environment suit? Consider a protective suit that is not a *space* suit because it doesn’t need to augment the pressure felt by the body. It does, however, need to protect against extreme cold. While the lack of pressurization makes a lot of things e...
[Question] [ I want to make a creature very similar to a human but with one major difference: they breathe like any human in their everyday life, but if they are suffocating, drowning, or there isn't O2 in the air they can survive for several hours (or maybe more) without air, obviously with reduced physical activity...
[Question] [ **Closed.** This question is [off-topic](/help/closed-questions). It is not currently accepting answers. --- This question does not appear to be about **worldbuilding**, within the scope defined in the [help center](https://worldbuilding.stackexchange.com/help). Closed 2 years ago. [Improve this que...
[Question] [ I'm working on explaining away the existence of a planet whose entire ecosystem is based upon bioluminescent creatures, and I've been wondering if there could be a reason for their blood (or other bodily fluids) to be bioluminescent. Would it make sense to have a protein that gets to an excited state wh...
[Question] [ [Here's some writing. It will explain some aspects of the abyss in a way I can't otherwise.] > > "It's beautiful", uttered Ivan, in a rare moment of appreciation. "Rocks and platforms and chunks of land all floating in an endless abyss of the blackest black. This one's different from the others. If we j...
[Question] [ **This question asks for hard science.** All answers to this question should be backed up by equations, empirical evidence, scientific papers, other citations, etc. Answers that do not satisfy this requirement might be removed. See [the tag description](/tags/hard-science/info) for more information. For ...
[Question] [ In the world I'm currently building, there are many species, each with their own language. Most of these languages evolved naturally over time, much like here on Earth. But there is one race (let's call them the "T") that have a different situation. Long ago, they were an industrious and down-to-earth re...
[Question] [ Something I was working on in the past involved a species of sentient insectoids. The idea was the two sexes usually live in two very different environments and rarely come into contact with the other one, except for when they meet in a sort of 'middle ground' to mate. Consequently, they look to outside...
[Question] [ I'm designing a creature similar in size and behavior to a large dragonfly. However, I would like it to fly with rotating "wings" in a similar fashion to a helicopter. I'm thinking a [twin rotor design](https://en.wikipedia.org/wiki/Intermeshing_rotors) would be best due to the bilateral symmetry, but I'...
[Question] [ The discussion of the origins of patriarchy, in some of the answers to [Preventing post-apocalyptic society from becoming misogynistic](https://worldbuilding.stackexchange.com/questions/38686/preventing-post-apocalyptic-society-from-becoming-misogynistic), has me wondering if a government couldn't be des...
[Question] [ How would faster-than-light travel appear through window of a space vessel? All the movies and TV shows like Star Trek and Star Wars seem unrealistic: * Star Trek credits: passing stars get bigger and nearly "brush the top of your head", but wouldn't it look more like a flat 2D animation with dots simply...
[Question] [ I have a planet approximately 3.5 times the mass of the Earth. I have a moon orbiting that planet that has to be habitable as well, because my story will take place on the first expedition to this moon. What size would my moon have to be it sustain life? The reason I ask is because a body the size of our...
[Question] [ ## Current Development Virtual reality (VR) devices are still mainly used for amusement like in this video of the game [Skyrim in virtual reality](https://www.youtube.com/watch?v=k7n5kRRHDpw) using *Oculus Rift*. With augmented reality (AR) devices such as *[Microsoft's Hololens](https://www.youtube.com/...
[Question] [ I'm having trouble with a city in my fantasy world. My primary difficulty arises from the fact that most of the city-building resources I could find assumed that the city grew organically from a small village or an advantageous location. However, the capitol city in my fantasy was planned as a political ...
[Question] [ On a tidally locked gas giant moon (which is otherwise earth-like - see [this question](https://worldbuilding.stackexchange.com/a/11513/7740) for pictures) how would medieval sea navigation techniques differ from Earth? I presume that compared to Earth, navigation would be easier on the side facing the ...
[Question] [ I have quite a few forms of transportation planned out. These include travel via river (riverboats, etc), ocean (ships), land (horses, primarily), teleportation (game checkpoint, others). Also the possibility of the player acquiring wings through a minor faction. As you can see it's pretty one-sided to s...
[Question] [ In my question [In a world with magic, who would govern?](https://worldbuilding.stackexchange.com/q/7351/75), I asked who would govern that world, magicians or mundane warlords/nobles. Now, suppose that exactly the same rules I described in the previous question apply in this question, with the following...
[Question] [ This is going to take some imagination and assumptions (and knowledge about physics). Imagine gravitational mass and inertial [mass](http://en.wikipedia.org/wiki/Mass) would be different. In classical mechanics it seems a coincidence that they are the same in our universe. * Gravitational mass is how muc...
[Question] [ In a medieval-ish world (Or any other pre-20th century earth), how long could you keep using the same metal? As in, you have very little territory, and what metal was available, has been mined from the ground. If you somehow recovered all metal (Arms, armor, fittings and nails, screws and bolts, forks an...
[Question] [ Suppose a two-storey timber cottage has been left unoccupied for 15 to 20 years. The entire structure is wooden, including all beams and supports, with a rammed earth foundation. It's situated within a small stoney clearing in the outer skirts of a broadleaf temperate forest, with alternating cool/dry an...
[Question] [ I want to render impractical the deployment of satellites by exploiting the Kessler syndrome. Why, you ask? Maybe I'm an evil overlord and I don't want those pesky satellites flying over my lair. Maybe I'm an alien in disguise and I want to disrupt comms and GPS as a preparation of an incoming invasion. ...
[Question] [ Can an organism have several types of oxygen carriers in its blood? Note that I am not asking how the creature could have evolved, that is too much sci-fy, genetically engineering or Deus Ex Machina evolution fits fine. The idea to use several kinds of oxygen carriers is to be able to survive in very di...
[Question] [ I’ve done a fair bit of research to come up with this scenario. I hope it’s not “too broad” to ask for a reality check. Have I overlooked anything? Does it all sound plausible? My world takes place in a massive crater, the only habitable place left on the planet. It is roughly 800 x 600 miles and 5 miles...
[Question] [ This is the first question about colonizing an alien world; the second question on agriculture on this planet is [here](https://worldbuilding.stackexchange.com/q/127032/11664). So here's the idea: human beings travel to and land on an Earth-like world with the intention of colonizing it. This world is re...
[Question] [ The Leopard dragon is one of the fastest and smartest dragons out there. With four eyes, external ears, four legs, two wings, a long tail, and sleek black scales, this dragon is quiet and nearly invisible at night. Its venom is painful but not terribly lethal, until the dragon decides to shoot it at what...
[Question] [ In my world vampires own a kingdom with human slaves. They harvest human blood but how can they preserve it with medieval technology? PS : I would like to preserve the blood in liquid state, but other methods are allowed. [Answer] To keep blood in liquid state, they can use: * Sodium fluoride: availab...
[Question] [ This world is all water, and I want the trees to be the only thing that represents land. The trees are horizontally positioned, and start from a large self sufficient floating seed pod, much like a coconut would. They would lengthen faster than they would widen, during the growth process. Naturally the ...
[Question] [ I am trying to fact check a consistent set of properties and applications for the titular [unobtainium](https://en.wikipedia.org/wiki/unobtainium) from the [Mass Effect games](https://en.wikipedia.org/wiki/Mass_Effect) in order to avoid introducing contradictions. Certain sources I read claim it wouldn't...
[Question] [ I'm currently enamored with the idea of having a species of [living, sapient stars](http://tvtropes.org/pmwiki/pmwiki.php/Main/CelestialBody) [(called "astrae")](http://tvtropes.org/pmwiki/pmwiki.php/Main/GratuitousLatin) [as the firstborn children of the gods](http://tvtropes.org/pmwiki/pmwiki.php/Main/...
[Question] [ I'm writing an adventure story set in the medieval age, our hero came(dived) across an underwater city with an estimated population of several thousands at depth of hundreds of meters below sea level. I'm trying to come up with a convincing technology which could seem plausible at that time, but after ma...
[Question] [ **This question asks for hard science.** All answers to this question should be backed up by equations, empirical evidence, scientific papers, other citations, etc. Answers that do not satisfy this requirement might be removed. See [the tag description](/tags/hard-science/info) for more information. I ha...
[Question] [ The Chirr are a race of space-faring aliens that look vaguely like rat-sized ants. They've got powerful mandibles and small, fairly dexterous hand-like claws, though their chitinous nature makes delicate manipulation somewhat more difficult for them than it is for humans. They dwell in huge hives compris...
[Question] [ The idea is simple, our intellegence is so far above a chimp or bonobo as to make us something different. There are things we can do intuitively that no Bonobo or chimp will be able to, and because of this most of our technology is beyond them. They can be taught to use a specific piece in a specific way...
[Question] [ For a moon orbiting a gas giant which is in turn orbiting a star, I want to know how long the eclipse would last for an observer standing on the moon when the planet passes between the moon and the star. The actual values I intend to use in the end are likely to vary from these, somewhat, but I like sim...
[Question] [ In my country, we are split down the center by an intensely large mountain range. Us desert people live on the eastern half of the country, while on the other side of the mountain range the forest people live. Although we are separate for most of the year, every winter we are forced by brutal winter stor...
[Question] [ Imagine a species in which the ego never developed. There is no self-direction. This species is always making noise, however, and it is through this noise that the society itself experiences the world. Every individual member of the society hears the noise generated by those members closest to it (within...
[Question] [ **This question already has answers here**: [Max humanoid physical strength](/questions/80691/max-humanoid-physical-strength) (6 answers) Closed 4 years ago. ## Background: Recently I have been working on a story that features a pop star who is actually an alien super soldier raised by human paren...
[Question] [ 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 radiation seep (radiation radiating down) from significantly harming the people in these bunkers?** The rad...
[Question] [ How would castles be designed in a world where magic exists. Magic has the following rules: 1. All magic requires runes and a verbal activation (saying 'magic words' that correspond to the runes) 2. Any spell lasts a maximum of one minute (no enchanting) 3. Any spell has a certain maximum amount of power...
[Question] [ ## It's hard to create a new animal from scratch. * If you **genetically modify** an existing species until it becomes a drastically different species, then implant the fertilized embryo in a female of the original species, the offspring will not survive birth. This means you can't make drastic genetic c...
[Question] [ [Part 1](https://worldbuilding.stackexchange.com/q/55560/1971) On Earth, we have seasons due to our planet's tilt. In my last question, I proposed an alternative world where the seasons were instead caused by an eccentric orbit. Now I'm going for something more exotic. Instead of axial tilt or orbital ec...
[Question] [ So the scenario for my story involves an abandon castle that is located in a taboo area so no one goes near it and so no one is maintaining it anymore. Assume the castle was almost 1000 years old before it was abandoned, but it was well maintained up to the point of being abandoned. There is no magic or ...
[Question] [ Suppose a school was founded in a remote mountain valley centuries ago by the first representative of a now-prominent deity. This valley has a forest with a river flowing through it; there are no major settlements nearby at the time of its founding. Rather than teaching arithmetic and language skills, th...
[Question] [ For my current [world in progress](https://worldbuilding.stackexchange.com/questions/33603/surviving-the-world-of-zombie-mosquitoes), I have devised a variety of species possessing [multiple, unique DNA chains](https://worldbuilding.stackexchange.com/questions/33040/multiple-dna-one-creature) that can re...
[Question] [ I'm not really sure what sort of factors would go into limiting the growth of a city, besides obvious geographical ones. I can think of * Farmland requirements. If each person requires X acres to fed them, a city of 10,000,000 would require 10^6\*X acres of arable land to sustain it. * Likewise, fresh wa...
[Question] [ Scientists have made a breakthrough! They've discovered a subplane of our reality that consists of what can only be described of as the essence of luck. There's also a reasonably easy way to tap into this plane and use this essence! You can also decide how much luck you want to use with a reasonable degr...
[Question] [ These groups are sometimes known as the guys who send the protagonist their journey, or providers of an unexpected safe haven from the powers that be, or maybe just fodder for a character showing off his/her new power. Now, one thing they all have in common is that **they don't get the attention and dept...
[Question] [ Imagine the ugliest thing you can even imagine. To have common image in head, lets start with aliens from "[The Alien](https://en.wikipedia.org/wiki/Alien_(film))" movie: [![The Alien](https://i.stack.imgur.com/qfdKZ.jpg)](https://i.stack.imgur.com/qfdKZ.jpg) *Image credit: [Wikipedia](https://en.wikiped...
[Question] [ In a non-magical world where *homo sapiens* has evolved into several races or breeds (like dogs) or even species as in [Q10102](https://worldbuilding.stackexchange.com/questions/10102/how-would-multi-race-humanoid-evolution-happen) and [Q12190](https://worldbuilding.stackexchange.com/questions/12190/what...
[Question] [ Imagine a world like ours. Gravity, atmosphere, sky... just nothing solid down there. At least not anywhere close. Would it be possible? I know this is similar to [this question](https://worldbuilding.stackexchange.com/questions/11764/could-air-gas-giants-exist). So to specify what I mean: I'm not asking...
[Question] [ This question is partly a nod to the current fortnightly challenge. In many fantasy settings and resources, there are creatures capable of, or described as, breathing lightning. How might a creature evolve naturally such that it can emit lightning, or an effect that may be easily mistaken for lightning, ...
[Question] [ There are a couple of stories where humans gain chloroplasts. Here's a clip from [one story](https://en.wikipedia.org/wiki/Beggars_and_Choosers_(novel)): > > They are also infused with bacteriorhodopsin, allowing photosynthesis. It is now possible for a human being to lie on the ground, in the sunlight,...
[Question] [ Suppose a planet is covered with floating ice on top of water ocean and has no dry land. Would it be possible to establish permanent settlements, cities? Particularly I am interested in technologies combating * ice drift * melting of ice under the constructions and utilities * sinking of buildings due t...
[Question] [ Conflict between civilizations has played a key role in the technological development of the human race. If humanity never had a single war, how would technology in such civilization evolve? Would it be advanced as it is now? Given that war is a major source of technological advancement, what would be th...
[Question] [ **Closed**. This question needs to be more [focused](/help/closed-questions). It is not currently accepting answers. --- **Want to improve this question?** Update the question so it focuses on one problem only by [editing this post](/posts/3224/edit). Closed 6 years ago. [Improve this question](/post...
[Question] [ For those of you who have read *mission of gravity,* or researched Saturn’s equatorial bulge, you will know that the faster a planet rotates, the greater the “flattening” effect it’s rotation has. This means that planets (like Saturn) which rotate very quickly have a “bulge” at the equator, reminiscent o...
[Question] [ I’m curious - does anyone with knowledge about animal/evolutionary biology think that predatory horses, akin to [the Mares of Diomedes from Greco-Roman mythology](//en.wikipedia.org/wiki/Mares_of_Diomedes), are plausible? I’ve found tidbits of info saying that horses have been witnessed eating meat, but ...
[Question] [ So, [*Blue Submarine No.6*](https://www.youtube.com/watch?v=j1m9wEyEVvo). Other than the nightmare-inducing CGI, it's also notable for being furry/scalie bait, complete with the fish lady, Mutio. Most of this bait is thanks to Dr.Zorndyke, a brilliant genetic engineer, who decides that it's time for huma...
[Question] [ **This question asks for hard science.** All answers to this question should be backed up by equations, empirical evidence, scientific papers, other citations, etc. Answers that do not satisfy this requirement might be removed. See [the tag description](/tags/hard-science/info) for more information. Ofte...
[Question] [ My world has two races of mammalian mermen, one of which are somewhat monstrous and I'll call them "Abyssals" in this thread. I really want the Abyssals to 'breathe' underwater, as well as being able to walk on land, so **as a rule they have to have recognizable human anatomy** like two strong legs rathe...