text
stringlengths
22
2.11M
[Question] [ Early on in the cartoon *The Legend of Korra,* we're shown one of the main characters working at his job. He works in a power plant, where he and his coworkers spend all day using Bending (essentially elemental magic) to conjure up lightning bolts and throw them at some sort of machine, to produce electr...
[Question] [ [Tachyons](https://en.wikipedia.org/wiki/Tachyon) are a hypothetical particle that constantly move at speeds in excess of the speed of light. We haven't yet proven their existence, but neither have we disproved their existence (which is, as far as I know, impossible to do: one cannot prove a negative). W...
[Question] [ This question builds on these previous questions: * [What common structures and systems exist in global organized religions?](https://worldbuilding.stackexchange.com/questions/6597/what-common-structures-and-systems-exist-in-global-organized-religions) * [How to explain the co-existence of peace and viol...
[Question] [ In the book i'm currently working on, the main protagonist has a special (yet unknown himself) mutation because his ancestors have been involved in nuclear disasters while their mother was pregnant. more precisely: his grandmother was conceived a few months before Chernobyl, in Pripyat. After the Soviet ...
[Question] [ Can life exist on planets as barren as Mercury? How would it survive? It seems like it couldn't. Mercury is very hot, would any life break down becuase of the heat? What other challenges face life on Mercury? [Answer] Anything is possible --- Life as we know it on Earth could not exist on Mercury with...
[Question] [ **Context / technology level:** * I have a more-or-less Age of Sail airship. It is not intended to be entirely self-sufficient, but it should be able to make long trips with small stops to restock/repair; analogous to a naval sailship. * There is magic which allows it to overcome the problem of an airshi...
[Question] [ **Closed**. This question is [opinion-based](/help/closed-questions). It is not currently accepting answers. --- **Want to improve this question?** Update the question so it can be answered with facts and citations by [editing this post](/posts/214762/edit). Closed 2 years ago. [Improve this question...
[Question] [ *Notice : If you wish to know how to make an oscillating orbit with real-world physics, you can looky-look at this [question which is following mine](https://worldbuilding.stackexchange.com/questions/205099/oscillating-orbit-how-to-produce-one-in-the-real-world). My question focuses on the consequences o...
[Question] [ I'm not a chemist—I'm an artist and I occasionally write. But I'm starting to get more and more interested in xeno/speculative biology. When it comes to these things I'm pretty much just looking at stuff dumbfounded and trying to understand it. So every now and then I would like some advice from people w...
[Question] [ Medical-related question for my science-fiction story. My character is in a facility with modern BUT limited medical supplies. This character is suffering from seizures due to withdrawal from a certain substance, and the doctor present has fruitlessly attempted to stop the seizures (using some form of be...
[Question] [ In my world, the Mayan Empire expanded into the Caribbean and met the relict ground sloths of the Caribbean. In this same world, the Mayan empire saw the use of these creatures as useful domestic animals that they could bring to the mainland. With pack animals to be used as beasts of burden, the Mayans c...
[Question] [ A religious order has learned that the Big Bad wants their MacGuffin. They have contracted a local adventurer to prepare their defense as best he can before the enemy arrives. What is the most urgent thing to take care of to maximize their chances of survival? They live in a stone compound that is mostly...
[Question] [ In the story I'm building, a 3rd atomic bomb (same spec as Fat Man) was created for use on Japan - and dropped. However, for whatever reason, the 3rd bomb never detonated - impacted the ground and became burried in the ground (as many unexploded munitions from WW2 have been). In the story, the bomb is to...
[Question] [ Alright, departing from my usual fantasy setting to something of a thought experiment. Let's say, for argument's sake, some Dane longboat captain in the 10th or 11th century worked out how to make a primitive compass and, while serving in the Varangian Guard, read about the shape and size of the Earth. E...
[Question] [ In one of the documentaries he's featured in, Neil deGrasse Tyson talked about the evolution of the eye. <https://www.youtube.com/watch?v=4SXHMm5I-68> The part that's always intrigued me is this: > > Our eyes originally evolved to see in water. ... For land animals, the light carries images from the dry...
[Question] [ Bird wings are made mostly of feathers, and there's about a million articles out there on that subject. Bats, on the other hand, have wings made largely of skin and bone. These are flexible, giving bats incredible flight capabilities, but extremely fragile: a paper cut would rip a gash through them. What...
[Question] [ **This question already has answers here**: [Rambo style compound bows, feasible with renaissance tech-level?](/questions/67446/rambo-style-compound-bows-feasible-with-renaissance-tech-level) (5 answers) Closed 5 years ago. I am thinking if it's possible for craftsmen of late medieval times to ach...
[Question] [ I'm thinking of using this as a method of separating a planet's technological and cultural evolution, then having a sudden clash as the more advanced one becoming able to cross the storm belt. This would allow the tech to be about 50 years apart at the outset, one being at, say, the 1830s, and the other ...
[Question] [ We know that the Romans invented or used simple machinery like waterwheels, crank mechanisms and even simple steam and atmospheric engines, as well as what we would recognize today as clockwork, but for a variety of reasons, the Romans never got beyond individual pieces of bespoke machinery for particula...
[Question] [ I'm writing a science fiction story set on a moon orbiting a gas giant. I want to understand how the world's day night cycle would appear from its surface and how the world might be affected by this particular orbit. For the purposes of the story the world needs to be as Earth-like as possible. It is pr...
[Question] [ What happens to small pieces of debris left floating around inside a derelict space station? My space station had 100 people aboard, and due to sabotage, it decompressed and was abandoned. Inside, there are thousands of small items, like screws, papers, tools, usb memory sticks, forks, and so on. Movies...
[Question] [ I was rereading *The Restaurant at the End of the Universe*, the sequel to *The Hitchhiker's Guide to the Galaxy*, and I came across an interesting passage: > > Flare riding is one of the most exotic and exhilarating sports in existence, and those who can dare and afford to do it are among the most lion...
[Question] [ One of the big problems by manned space exploration and colonization, that it's insanely expensive. Building a colony on other celestial bodies - since it's impractical to bring back the acquired resources to Earth - is surely a lossmaking enterprise, and therefore must be funded from the profit of other...
[Question] [ How scientifically plausible is this? A giant, self-aware fungal supercomputer made or evolved from something like the Blue Mountain honey fungus or maybe a slime mold of a similar size? Could something like this ever exist in nature as an example of distributed intelligence, or would it have to be creat...
[Question] [ My story (same world as [here](https://worldbuilding.stackexchange.com/questions/39579/can-you-help-me-design-a-realistic-climate-map-for-my-world-alternate-earth)) take place in a future Earth between 3 and 5 million years in the future. **What kind of artifacts, if any, would civilizations from this er...
[Question] [ Assuming an average, fully developed adult man, **what sort of changes could be made to his genome that would have a noticeable effect on his mind or body**? To the best of our current scientific knowledge, that is. I know we don't know what a lot of genes are for. To be specific, I want to know if you ...
[Question] [ Related: [What if the social contract was literal?](https://worldbuilding.stackexchange.com/questions/12304/what-if-the-social-contract-was-literal) ## Backstory (Optional) In *Levithania* it is recognized that, until 18, a child has no rights of themselves, being owned by the parents. Parents have a dut...
[Question] [ NASA has received a new employee: a dragon! His name is Firewing and he's there to help NASA with its missions. He's not an astronaut himself, mainly because of the logistical issues of launching a dragon into space (and because NASA knows that if they did that they might as well close up shop because no...
[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 8 years ago. [Improve this que...
[Question] [ There are currently advancements of devices that can read our brain and interpret the signals, allowing us to control devices with our minds ([my answer here to another question](https://worldbuilding.stackexchange.com/a/29414/19)). With what we can do now, I can only assume that eventually we will have ...
[Question] [ I asked a closely related question here: [How would our democracy change if we had quick, reliable, accurate means to instantaneously vote on issues online](https://worldbuilding.stackexchange.com/questions/23109/how-would-our-democracy-change-if-we-had-quick-reliable-accurate-means-to-inst?noredirect=1#...
[Question] [ I stumbled across [Vincent's](https://worldbuilding.stackexchange.com/a/10366/8918) answer regarding forests and deserts. He claims an elevation difference of 3,000 meters (9,800 feet) could put a forest and a desert in close proximity. That got me thinking. What if they were literally as close as possib...
[Question] [ There is now a device which one can use to store time. It is small and inconspicuous, but takes some setting up to use (explained more later). Essentially, it will temporarily remove a region of space from space-time. Once that region of space is returned (but not before), your device has stored the "tim...
[Question] [ I ask this as a basis for a World (in this case Moons) Building I'm doing. I came up with a couple of different problems and some possible solutions to those problems: * All of these questions presume the moons are artificially created or modified by a far superior race and placed into orbit artificially...
[Question] [ I have an area of my world that is essentially a large crater. It is a huge barren land surrounded by mountains. The ground is stone, then below are underground rivers, and below those are pools of lava. The lava causes the water to boil and steam, forcing the moisture through cracks in the stoney ground...
[Question] [ I've settled on using a blue star for my setting. It'll probably either be a small B or large A-type main sequence star, somewhere between 2 and 4 solar masses. There is one relevant planet. I've toyed a bit with various calculations, including this neat resource <https://www.astro.indiana.edu/ala/Planet...
[Question] [ My story revolves around illegal fight club, one where opponents get serious and fights sometimes end in fatality. There is one problem though, I want to make more or less inclusive and appealing to many audiences. It's easy to write characters of different genders, ethnical, religious and cultural backg...
[Question] [ So say there was a rogue gas giant about the mass of Jupiter that, unfortunately, happened to be headed directly at Earth (or at least close enough to knock it into an orbit incompatible with life). It's coming in from way out of the plane of the solar system, so it's not going to knock anything else sig...
[Question] [ I was reading some questions on Quora and I found [this claim:](https://www.quora.com/What-would-happen-if-rainforests-disappeared/answer/Paul-Noel-5) > > The polar regions have a very odd reason for them to have so much oxygen production. You see the Polar aurora run day and night in the UV band. They ...
[Question] [ I am imagining a world where an astronomical event occurs, like Earth collides with a comet, and humanity is all but wiped out. In their desperate attempt to recover, humans enter a form of stone age. Most of the existing life forms are still there, though also decimated by the event. Modern humans apply...
[Question] [ **Background** Hi all, I'm revisiting my musings on plausibly strengthening the human skeleton to better withstand the stresses of combat, melee in particular. If y'all don't care about background, skip to "The Question" two paragraphs below. In my setting, space marines (in the sense of soldiers who boa...
[Question] [ **Closed**. This question is [opinion-based](/help/closed-questions). It is not currently accepting answers. --- **Want to improve this question?** Update the question so it can be answered with facts and citations by [editing this post](/posts/114403/edit). Closed 5 years ago. [Improve this question...
[Question] [ The specific situation is the tech in the *Battletech* universe. The Kearny-Fuchida hyperdrives are jump drives that can travel instantaneously up to thirty light years - being deposited (usually) at the zenith or nadir jump point of a star system (a spot of minimum gravity several AU from the planets). ...
[Question] [ To clarify, in full [Cronenberg](https://en.wikipedia.org/wiki/David_Cronenberg) fashion, I would like to know if there is any biological material that does or can exist that is magnetic and could work in a [Gauss Rifle](https://en.wikipedia.org/wiki/Coilgun). Using a Gauss Rifle or Coil gun would requir...
[Question] [ In a galactic civilization with multiple races, what would be an ideal calendar system that everyone could use? FTL travel is possible (please no answers involving the implications of FTL, for the purposes of this question it is entirely possible without any side effects such as time dilation). Instant c...
[Question] [ [Dunbar's number](https://en.wikipedia.org/wiki/Dunbar's_number) is one of the critical elements for humans and societies. Increasing Dunbar's number has been proposed in this question: [What would be the traits of a humanoid being who would live more comfortably in modern society?](https://worldbuilding...
[Question] [ I know that birds like crows and parrots can use basic tools, and some questions on the site have stated that re-evolving hands isn't worth the trouble/is outright impossible. However crows don't build firearms and the questions were asking for simple tools. My avian race are human sized chickens, their ...
[Question] [ The protagonist in my SF story is on an asteroid gazing towards the Sun and inner planets. For purposes of the narrative he needs to locate the position of the earth at *different times* in its orbit. He is standing on the asteroid, about 2.5 [Astronomical Units](https://en.wikipedia.org/wiki/Astronomica...
[Question] [ In an [Electric Universe](http://www.electricuniverse.info/Introduction), where space is plasma soup and electromagnetism is the "magic" that can defeat the laws of physics, all stars are connected by invisible Birkland currents. Picture the rope that forms when you touch a plasma ball: [![enter image de...
[Question] [ Thanks for taking a moment to help me understand the feasibility of this scenario. Essentially, what I am looking at is an Earth-like world that would be between 1.3x and 1.6x the mass of our own planet, but unlike our own planet this world has multiple natural satellites, each of which are the size of, ...
[Question] [ I'm creating a world opposite of [Les Visiteurs](https://en.wikipedia.org/wiki/Les_Visiteurs), where modern age structural engineer accidentally time travels to 13th century. When guards of the local lord arrest him on suspicion of being a spy, due to his weird clothing and the way he talks, he claims th...
[Question] [ > > *Why certainly! We have all sorts of exotic drink. Can I excite you for a pint of Tarnesian Starköl - bitter, tart, nutty brew this stuff; or rather have shot of H'elvanian Whisky(?) - 7 years old(!), strong, but with a sweet finish... Actually, looking at you more closely - you're not from the area...
[Question] [ I have an idea about a person, who knows exact date and time of significant future events. But does not know what is going to happen. And the dates such person knows are significant for culture that person is inside: Example: That person knows exact date and time when new president of USA is going to be ...
[Question] [ This concept is relatively simple. There are many animals which start mobile, but become [sessile](https://en.wikipedia.org/wiki/Sessility_(zoology)) later in their life history, all of which are simple and primitive. And I was wondering this: what is the upper limit on animal size? And I realized that i...
[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'm ...
[Question] [ In [Can I significantly shorten the days on a planet that can support human life?](https://worldbuilding.stackexchange.com/questions/19728/can-i-significantly-shorten-the-days-on-a-planet-that-can-support-human-life) I asked about changes needed to a planet to support human life with a much-shorter day (...
[Question] [ A long time ago I heard about a Medieval Irish pirate that used a Trebuchet mounted on his ship (no I am not sure what he was or where I heard it). The idea of a ship acting like a [double pendulum](http://en.wikipedia.org/wiki/Double_pendulum) when firing has always intrigued me and made me laugh. I am ...
[Question] [ So, I'm writing a fun bit of fantasy fiction which involves a magic fight taking place on a stone/tile roof. The setup is that two characters are getting pinned down by superior magical fire from a higher vantage point and are in danger of getting overwhelmed. So far it's been fun and enjoyable to write,...
[Question] [ Genetic chimerism is a condition in which a single organism is composed of cells with more than one distinct genotype. In animals, this means an individual derived from two or more zygotes, which can include possessing blood cells of different blood types. Elves inhabit this world, but do not possess mag...
[Question] [ This question is heavily motivated by the details of my story, but it has a lot of free parameters to work with. I invite you to think creatively! **Setting**: You are in command of a [constant acceleration rocket](https://en.wikipedia.org/wiki/Space_travel_using_constant_acceleration#Constant-accelerati...
[Question] [ A cool thing to imagine would be a world where the land was dominated by megafaunal frog-descendants, as it is/was by mammals today, dinosaurs before the mammals, and non-mammalian synapsids and crocodylomorphs before the dinosaurs. However, frogs aren't exactly the kind of creature that would be in the...
[Question] [ Right now merfolks are totally envious of us watching a live stream video of cat(fight) via WiFi or satellite internet, ok ok I get it's not the speed but its latency... Urrrr. Nevermind that I sincerely hope that the merfolks can receive WiFi but obviously the signal doesn't penetrate far underwater, an...
[Question] [ **Closed**. This question is [opinion-based](/help/closed-questions). It is not currently accepting answers. --- **Want to improve this question?** Update the question so it can be answered with facts and citations by [editing this post](/posts/125773/edit). Closed 5 years ago. [Improve this question...
[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 3 years ago. [Improve this questio...
[Question] [ There have been more than a few questions covering [Alcubiere warp drives](https://en.wikipedia.org/wiki/Alcubierre_drive), many about what happens with one at FTL and a few about using them at sub-light speeds. I'm curious about what happens at more pedestrian speeds (tens to hundreds of kilometer per h...
[Question] [ In my world, magic is based on the use of ***magical words*** passed down as part of a long-forgotten language. The spells are "self powering", they do not cost the user anything. The catch is that results will vary dramatically based on several factors including: * The mental state / concentration / emo...
[Question] [ Recently when pondering the hypothetical scenario of first contact, the alien race we meet may have very different cultures, ethics, technologies, philosophies etc. to the point that whatever they present are phenomena or things that human languages do not have terms to describe, let alone comprehend, ye...
[Question] [ So here's the deal: In a D&D-fantasy-style world, the continent of Archaon is inhabited by a wide variety of elves, whose physical characteristics vary based on their dwellings. The forest elves are more agile and can camouflage with the trees; the water elves have larger lungs and can swim more easily; ...
[Question] [ In sci-fi we have seen computers, high-tech armour and other technologies respond to a character speaking orders out loud- would an interface that reads a person's brainwaves- basically receiving and responding to commands as soon as said person thinks them- be plausible? And if so, are there any serious...
[Question] [ Since there are living beings (like [moth larvae](https://en.wikipedia.org/wiki/Tineola_bisselliella)) which feed on textile fibers (wool, cotton, silk, et cetera), I was planning to introduce a human-sized creature with such feature, plus the ability to feed on artificial fibers as well. Said creature ...
[Question] [ Lets say there was a life form in a earth-like environment that would go through.. what I can best describe as 'metamorphosis' throughout several separate life forms. It could start out in Phase 1A, after awhile of growing and feeding, it would grow into Phase 2A, which it would probably go off and repro...
[Question] [ On Earth the planet's magnetic poles line up fairly well with the geographic poles. This makes things like navigation very straightforward as all compasses point to (roughly) the north pole. ![Earth's magnetic field](https://i.stack.imgur.com/SavjT.png) However there are planets where this is not the cas...
[Question] [ How is it possible to recreate standard units of measure (meter, kilogram, second) with Renaissance-level technology? A man (let's call him "Traveler") gets transported to a different world, which is very much Earth-like. This Traveler was able to bring a good amount of knowledge from modern day Earth, a...
[Question] [ Let's assume the theoretical [quark star](https://en.wikipedia.org/wiki/Quark_star) exists - and humans have found it. There's a planet orbiting it, and for the purposes of my story, I want it to be habitable. My question is: Can you have a habitable planet orbiting a quark star? * The planet would have ...
[Question] [ Let's say there's an operation one day producing items from asteroid and lunar material in orbit, and they want to ship goods to Earth. They try making cheap heat shields by processing rock and regolith material. they put the shields on really simple capsules. The processing doesn't chemically change the...
[Question] [ I'm designing an illness found in a set group of people. Its effects worsen over time. They suffer from various issues such as nose and mouth bleeding, along with some form of anemia, lingering tiredness, dizziness, and vision blur. The intensity of the symptoms varies based on the stage of illness. Symp...
[Question] [ I'm writing a novel set in a *post* post-apocalyptic world, where society on Earth collapsed a long time ago and has rebuilt itself by the time the novel starts. I need a reason to keep the people from leaving the planet and using the resources in space. My idea is that there was a world-wide war that t...
[Question] [ In the story I'm writing, a group of African penguins evolved to be fully upright (instead of having their knees bent like modern penguins). [![enter image description here](https://i.stack.imgur.com/nxoBT.png)](https://i.stack.imgur.com/nxoBT.png) Now some basic characteristics of these "erect penguins"...
[Question] [ Contrary to popular belief serpentine dragons are not in fact magical or related to the European [wyvern](https://worldbuilding.stackexchange.com/questions/167897/could-my-wyverns-exist) but instead are descended from the [Chrysopelea](https://en.wikipedia.org/wiki/Chrysopelea). some common characteristi...
[Question] [ In my story there are people with super powers, but they only get to have one. So, if someone’s power is to start a fire, then they can’t also control it once it starts. My problem currently is with the power of flight. My superhero can fly. She does not have any additional powers, such as super speed or...
[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. Fire...
[Question] [ Assuming that there is a means of increasing the spin rate of an existing black hole, what would happen to the shape of the event horizon as the spin rate was increased? In extremis what would eventually happen at very high spin rates? Could an extreme relativistic spin rate destabilise a black hole if t...
[Question] [ So I have an alien biosphere [in which trisexual reproduction predominates](http://mercierdavis.com/worldbuilding/trisexual.html). As far as we can tell, trisexual reproduction [does not offer an advantage when it comes to shuffling genes](http://www.xenology.info/Xeno/12.1.htm). The biological mechanics...
[Question] [ Imagine if the Moon had its own moon. A moon (likely an asteroid) that lies within the Moon's Hill Sphere. I have read elsewhere about the fate of such a moon. Over time due to the Moon being tidally locked to the Earth, tidal forces would make as such that this small moon of the Moon would see its orbit...
[Question] [ In a fantasy setting I'm working on for an RPG, I was trying to determine what properties I could use to determine how well metals resist magic and how readily they absorb enchantments based on something measurable in the real world. Then it hit me, conductivity. **The rule:** More conductive metals woul...
[Question] [ In the critically acclaimed horror film, [The Thing](https://www.imdb.com/title/tt0084787/), Blair determines that if the Thing was to reach civilization, it would take over all life on Earth in only 27 000 hours or a bit over three years. Is this number accurate? First, for who haven't seen the film, a ...
[Question] [ > > The ideal murder weapon is probably an **icicle**, because then you can melt the evidence > > > Well, it's far from perfect. At least when magic kicks in. The story is set in this modern world, with elemental magic added in (fire, earth, wind, water). Magic users can manipulate their element (mov...
[Question] [ I am writing a small piece of fiction for a game. I wanted to describe it as much as possible. The setting is Earth, more than a milenia after an event of cataclysmic proportions that made the planet almost uninhabitable. The result is a planet mostly toxic, in which people need some sort of breathing ap...
[Question] [ Imagine the following situation: There is a global catastrophe that will destroy the earth and there is a habitable planet in reach for spaceships. But it is technically possible to bring only 50,000 people to that planet who have to found a new society there. What would theoretically be the ideal compos...
[Question] [ [Bioluminescence is badass.](https://en.wikipedia.org/wiki/Bioluminescence) It involves living beings emitting bright light in the visible spectrum. Would it be, though, possible that a lifeform emits UV (ultraviolet) light? Does it occur in reality, maybe? What are the requirements for it to happen? ...
[Question] [ I am trying to build a world which has a bit larger gravity force than earth, 1.25g. And I was wondering which impact could this have on its geology and life evolution. I think that with a higher gravity two things would be true: * No flying species, because it would be harder to lift of the ground. * No...
[Question] [ Listen. You hear that crunching, cracking noise? That's the marrow adders. They're all around us. Tiny, timid, pretty much harmless. If you break open one of the larger bones left behind by the [bonegrass](https://worldbuilding.stackexchange.com/questions/38354/how-often-must-carnivorous-grassland-eat) y...
[Question] [ *As a variation to my previous question about the domestication of microbes* So my question is : which animals lend themselves to domestication? [Answer] There are several criteria which decide how useful animals are as domesticated lifestock. When you pick your lifestock, you first need to consider w...
[Question] [ Making a world where you live in the air, as the surface is not survivable (Venus-like) but there are mountains which serve as islands. I'm gonna leave out the story of the planet as it's not important. So basically I'm looking for believable conditions on the planet (things like dense, layered atmospher...
[Question] [ The year is 2020, and an organization known as Helios successfully settles a colony of 200 people on the moon. The colony is self sustaining and is mainly a research center, with most of its residents scientist, engineers, and doctors. The Helios organization is not willing to share any information on it...
[Question] [ I'm working on a deconstruction of a high fantasy setting. The plot starts with a female protagonist being forcibly summoned into said setting with few to none of her memories. The world is populated with a lot of humanoids but no humans. They have advanced beyond medieval era technology but instead of ...
[Question] [ An element of my worldbuilding project involves a highly advanced prehistoric human civilization with space flight capabilities and relatively extensive interplanetary colonization. In my setting, this civilization was destroyed approximately 200,000 to 100,000 years ago by runaway self-replicating weapo...
[Question] [ My setting takes place after an event drove all of the nonhuman races away from the human kingdom, which then became known as the Known Lands. All records have been destroyed that involved the other races, and the people of the Known Lands no longer remember them because it's been so long. My question to...
[Question] [ Obviously there are plenty of potential physics problems with this scenario, but if people lived along the inner crust of the Earth, and there was a Sun-like core at the center with nothing else in-between other than sky, what would I (as a person living on the inner crust's surface) see when I look up a...
[Question] [ Hippopotamuses are heavy, dense creatures that are capable of running underwater. However, they are quite bulky and short-legged. Could an animal have long, slim legs, like a horse or deer, while still retaining the underwater running capabilities of a hippopotamus? Some problems might be that the legs w...