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[Question] [ **Most regenerative monsters possess a "core" of some kind which must be destroyed in order to kill them.** I've noticed this trope at least a dozen times in Japanese media specifically. In fact it's so prevalent that there must be a reason WHY monsters are like this (besides having an Achilles' heel). S...
[Question] [ In modern day society, few or many people have been fascinated with integrating robotic parts to their bodies. But sometimes that idea is taken to the next step, in which people want to have their **entire** bodies become robotic in nature. So let’s say that humanity is capable of doing that. Normal peop...
[Question] [ This particular coven operates as a powerful and wide spanning enterprise focused on accumulating power to direct the world in ways that align with their interests. This group operates similar to HYDRA or COBRA, recruiting members mostly from young people seeking power in society, with the intention of u...
[Question] [ I'm working on a space-opera type setting for a story I'm writing, and while doing so I've been thinking about a question that has been bothering me for some time now. The protagonist of my story is a girl whose father died in an asteroid mining accident years ago. But since my setting takes place in a w...
[Question] [ After reading [this thread from a bit under a year and a half ago](https://worldbuilding.stackexchange.com/questions/58333/how-to-fly-around-the-martian-thin-layer-of-sky-without-burning-holes-in-our-poc) about the most cost-effective means of travel on Mars, where one of the answers mentions rail as the...
[Question] [ Straight to the matter: is it possible that a faction in a science fiction world rises up while completely ignoring the concept of villages as a whole? Let me explain. While it's specific for my world, I guess it's applicable to many others: planets are colonized from a single site, with its initial popu...
[Question] [ Imagine a world of anthropomorphic animals (if you're thinking of [Zootopia](https://en.wikipedia.org/wiki/Zootopia), that's a reasonable starting point). People in this world have a lot in common with humans — opposable thumbs, language, the ability to walk on two legs, etc. — but also retain some c...
[Question] [ I am developing a world were modern firearms are introduced into a medieval setting (I realize that this has been done since Mark Twain's *A Connecticut Yankee in King Arthur's Court*). I'm working on how my world will react to the introduction of such weapons. **Given:** * 14th Century Europe (if a spec...
[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 5 years ago. [Improve this que...
[Question] [ Here's the idea: Building a "jet fighter" that can operate in extended combat conditions with no atmosphere without losing air superiority in atmosphere. It's not going to have both traditional jet engines and rocket engines. The jet engines would be deadweight in purely space combat, and the rocket engi...
[Question] [ In many Sci-fi books, films and video games, the baddies need to have something that sets them apart from our strong jawed heroes. Typically in the form of a gas mask and trench coat (especially if they are space Nazis, *hiss*), and while looking both cool and good little black targets, it did get me thi...
[Question] [ In an all out battle between two forces with one side having such advanced technology and weapons that they appear as magic (from now on called wizards) and the other side have nothing but spears and maybe basic bows(from now on called cavemen), could the cavemen still win if they outnumber the wizards? ...
[Question] [ In a dream, the image came to me of a modern / future ship driven by ring / cylinder sails. (Well, technically I saw something different, but this is what I knew it was supposed to *refer* to...) That is, these would be short tubes oriented horizontally that could pivot. Is anything close to this design ...
[Question] [ First, a bit of background. Let's say there are two real ways to power your magic in this world. For the sake of the question, I'll refer to them as "light" and "dark". Both kinds of magic are capable of the same results, at the same power. The question is about their allowed use. **"Light" magic** only ...
[Question] [ What I mean by "a school like Hogwart" is that: * students range from age 11 to about 18, with about a thousand students in total * most students live here during most of the year * it works in isolation with the rest of the world (so it has to rely on it own gymnasium for example). Assume supplies (like...
[Question] [ In my universe FTL drives are easily mass manufactured and most citizens own them and use them. The FTL drives work by compressing a certain powder which then explodes, ripping open a wormhole which the ship is sucked into. The ship will enter a dimension of infinitely folded spacetime. The dimension is ...
[Question] [ Let's say in a magical world, there exists a basic cooling spell which slightly cools down an area by reducing the heat energy of everything inside it. In said world there also exists a particularly creative and capable mage that has managed to take this spell and massively compress it, reducing the effe...
[Question] [ Machine-based communication (and navigation) relies extensively on satellites. In the future, with the massification of 5G, more and more reliance will be put on satellites (e.g. the *Internet of Things*), with other technologies (like fiber optic) becoming less prominent. Inspired by a sci-fi movie I wa...
[Question] [ *Let's not delve into specific genuses, families, orders etc. Broaden your definition of "classifications" to words like "mammal" or "fish", "crustacean" or "avian".* --- Science fiction depictions of species often resemble Earthlike categories - there will be some variation of a mammal, or some slight...
[Question] [ I'm currently trying to plot out a novel, the sequel to my *Salamander* and *Brothers*. Part of the plot involves a succession struggle. I mention in one of the previous books, set about fifteen years later, that the king took six months to die, so I need a disease that would be incurable but slow acting...
[Question] [ For a civilization that depends heavily on canals for transportation, what limits are there on how steep canals can before they flow too fast to traverse? I know that barges were normally pulled by animals upriver, if winds were unfavorable, so would the maximum slope of the canal depend on how strong th...
[Question] [ In my story, a team of scientists are sent to an alien world similar to Earth to conduct general research on its environment, ecosystem (that is: its animal- and plant-life), and weather. It is the first visit to that world. My question is this: what kind of scientists would be sent on such an expediti...
[Question] [ This is the next piece in my question-series, you guys have been absolutely awesome in your answers to the first question: [How to solve the old 'gun on a spaceship' problem?](https://worldbuilding.stackexchange.com/questions/58049/how-to-solve-the-old-gun-on-a-spaceship-problem?noredirect=1#comment16574...
[Question] [ A speedometer is a gauge or device used for measuring instantaneous speed of moving vehicle roughly speaking, so for example the reading shown on the speedometer of a car parked at road side displays zero implying it is at stationary position respective to the road or landmark etc as long the surrounding...
[Question] [ Spoiler: Wall of text incoming, TL;DR provided. Once upon a time there were two worlds, separated by some kind of dimensional veil. One world is populated by WW2 level industrial civilization, the other is a fantasy world, inhabited by powerful wizards. At some point the Veil dissipated, and the two worl...
[Question] [ Let's picture a medieval world, where a tribe of Viking-like mercenaries live for the thick of the fight, the blood nourishing the ground, and the honour of the gods of war. So they are equipped, trained for skirmishes and wars. Their equipment would be Viking like, for instance: * Round shields along wi...
[Question] [ After the time travel designs from the [CASH WHEN YOU NEED IT YESTERDAY](https://worldbuilding.stackexchange.com/questions/185266/cash-when-you-need-it-yesterday-delivers-cash-yesterday-via-time-travel-but-h) business was stolen by a corporate spy, Amazon now has time travel capabilities. Of course, sayi...
[Question] [ In my world I have a big region that annexed four others in just two years by using strong military strategies and propaganda. They manage to maintain this forced union using their religion, which is the most developed one and that gives religious explanation for unexplained phenomena. Then my question i...
[Question] [ Vampires in my modern-day urban fantasy setting, to varying degrees, have a weakness to both sunlight and open water. The celestial energies Earth radiates out from its core take on different properties depending on what non-gaseous material they last passed through. If it was **more than three feet of l...
[Question] [ Would it make sense for animalistic shifters to have mounts when they can shift into a large feral-like form? That is, not humans that turn into animals, but a species of large humanoids that can turn into a more feral beast-like form while maintaining sapience. Would it be easier to just shift into the...
[Question] [ In a fantasy world I've been working on Dragons are venerated by many for their ability to seemingly summon rain where ever they roam. It's common for the peasantry of the south to leave offerings of both animals and incense to not only attract dragons to a region, but also as thanks for the blessing of ...
[Question] [ I have a sentient lifeform populating an Earth-like planet in terms of gravity / composition. But since that world is close to an old K Type star, the atmosphere is evaporating and letting UV rays reaching the surface & making it pretty hostile. Life had to go underground for surviving and evolving. In m...
[Question] [ There is a lord who is being kept prisoner in a castle tower by a griffin who has taken over his home, but requires the lord be kept alive for political value. Naturally this requires the griffin giving him food and water. Food should be simple, either feed him stuff already stored in the castle and/or ...
[Question] [ At the beginning of my worldbuilding, I thought it would be nice to bond nicknames for characters of either highlighted importance or supernatural power. This naturally appearing differentiation is a gloriously amazing way of character building in my view. So I came up with a bunch of possible outcomes -...
[Question] [ I have a robot. It's a perfectly spherical bot, sort of like the bottom of BB-8. It's around a foot and a half tall and weighs about 15 pounds. I need it to be able to jump on command, no matter which way is 'up.' It should jump at least a foot in the air, although higher is definitely allowed. The mecha...
[Question] [ After reading [this post about a sort of translucent biological visor](https://worldbuilding.stackexchange.com/questions/107285/biological-helmet) I was inspired to incorporate a similar design. I'd like to create an organism with a translucent upper cranium, serving no purpose beyond aesthetic value. It...
[Question] [ I was wondering what benefits are granted when a sword is either on fire or emitting flames. I once read that such a weapon would be completely useless, as it would cauterize any wounds it inflicts, but there has to be some benefit. What are the advantages of a flame sword in melee combat? [Answer] W...
[Question] [ Current Bank security is based on encryption, once quantum computing or another system to break security is invented all banks are unable to securely transfer money digitally. Assuming banks are unable to find a new form of digital security, digital inter-bank transactions (a vital part of a modern econo...
[Question] [ In many fantasy settings, soldiers (generally orcs) ride on wolves the size of horses, plundering and raiding to their hearts' content. The only issue I see with this image (aside from using a carnivorous mount) is that it is almost never stated where these giant wolves come from. If one thinks about it,...
[Question] [ I have a character who is involved in the typical, secretive supernatural shenanigans of my setting (think something like a superhero, a monster hunter, or the vampires in *Vampire: The Masquerade*) but has a day job as a medical doctor in a Western country. Being a doctor is their main job, as their sup...
[Question] [ **This question already has answers here**: [How can I make a net beneficial genetic trait occur only in a small fraction of the population, sustained?](/questions/8900/how-can-i-make-a-net-beneficial-genetic-trait-occur-only-in-a-small-fraction-of) (10 answers) Closed 4 years ago. Consider a popu...
[Question] [ Alright so in my sci-fi setting, my space faring human civilisation has a widespread procedure that allows humans a very extended time period without any sort aging or its assorted issues (weakening immune systems, organ failure, etc) and basically the body is locked into a state of eternal youth . The p...
[Question] [ Condensed Magic only functions as a physical material when it is in contact with living beings. Condensed magic comes in 3 varieties, air, liquid, and solid. For example, if you spilled condensed liquid magic onto a table, it would fall through the table, then fall through the floor, and be impossible to...
[Question] [ Humans are an inherently violent species. We have had more wars, battles, and arguments over the stupidest of things than I could list if I devoted my entire life to the task. Let us assume that SpaceX succeeds. Overwhelmingly. Some sort of technological breakthrough shortens travel time between Earth an...
[Question] [ It is known that people, when looking at some complex patterns have the tendency to find human faces in them. My character goes to a museum exhibition of abstract art. She finds herself in front of an abstract painting, which looks like a normal abstract painting, in other words, it's nearly impossible t...
[Question] [ I regularly see people speaking about the difficulties of technology underwater, and see questions about whether underwater civilizations could produce [fire, electricity, etc.](https://worldbuilding.stackexchange.com/a/62623/35649). But I haven't seen any talking about what an underwater people would ex...
[Question] [ # Plot Noah's Flood actually happened more or less as written. Suddenly appearing flood waters covered the Earth, excepting a few mountain tops, and all land animals had to wait it out on an Ark. The flood waters receded, a few generations of thousand-year-old patriarchs went by, and then History picks u...
[Question] [ So, the characters in my story are trapped in an abandoned city in a glass dome at the bottom of the ocean that has suffered damage from some sort of bombardment. I'm currently trying to work out the lore and history of that city (and the oceanic kingdom it is a part of), and, in specific, how exactly th...
[Question] [ The Emperor (may he live forever) plans to visit the Solar System on a rare royal visit in ten years' time. The Bureau for Interplanetary Tidying have decided that the Asteroid Belt is an eyesore that shouldn't sully the eyes of His Mightiness and needs to be cleaned up. The obvious way to do this is to ...
[Question] [ Vocalization has a number of features that make it a very robust natural form of communication: * Variable volume from whisper to shout, roughly scaling from direct to omnidirectional; * Equally effective in daylight and total darkness, doesn't require visual contact; * Precision of hundreds of distinct ...
[Question] [ I'm creating a story set on a near-future Earth in which undersea colonization is fairly widespread. I want large (think undersea equivalent of a battleship) and, especially, expensive submarines to experience extreme military advantages over larger numbers of smaller, cheaper subs. Ideas I've considered...
[Question] [ One of the deadliest species of dragon is the dreaded Marksman Dragon. This beast has immense physical power and a bad temper, but its most potent weapon is its breath. The Marksman Dragon can shoot incredibly hot fire at very high pressure over long distance with pinpoint accuracy. Its fire is so hot a...
[Question] [ I was wondering, there's something that keeps me asking myself in Star Wars and other SF universes. Many S-F universe use "vintage" or "crappy" or "old-fashioned" designs for robots. Like C3PO & R2 units in Star Wars or Fallout or even in the Asimov's Cycle of Robots. Non-humanoid robots are described or...
[Question] [ Scenario: The [ESA](http://en.wikipedia.org/wiki/European_Space_Agency) wants to get more respect and more funding. Last time they were thinking about [faking the Mars landing](https://worldbuilding.stackexchange.com/questions/22934/cheapest-way-to-fake-the-mars-landing), but after some discussion they r...
[Question] [ In a medieval society, an ethnic group lives most of their lives aboard airships. These airships are rudimentary, perhaps holding only enough room for a single family. They consist of slender wooden hulls, large bags of hydrogen for lift, and leather wings for shifting trajectory. Due to the lack of prop...
[Question] [ I'm building a map for a tabletop RPG (Pathfinder specifically), the aim of which is that my players will be trekking around and visiting interesting places. As part of that, I'd love to portray a bunch of exotic climates, such as deserts, jungles and tundra (to name a few). However, on Earth, the Tropic...
[Question] [ I recently watched the classic film [*Gattaca*](https://en.wikipedia.org/wiki/Gattaca), which is about a world in which humans are selected with desirable traits at birth. Ignore all the ethics of abortion and genocide (like those claimed for Iceland). I can not help but notice that human biological vari...
[Question] [ **PREMISE** The zone will make all electrons disappear. **QUESTIONS** If a person walks in that zone with his whole body, would he die from heart failure? What happens if he just sticks his hand in? Hand become numb? What happens if he sticks his head in? Brain dead? --- **Addendum** What would happen ...
[Question] [ **Closed**. This question needs [details or clarity](/help/closed-questions). It is not currently accepting answers. --- **Want to improve this question?** Add details and clarify the problem by [editing this post](/posts/183751/edit). Closed 3 years ago. [Improve this question](/posts/183751/edit) ...
[Question] [ **Background** In the Great City the underground sewers extend to all but the most impoverished households. Most dwellings have an outside privy for their needs as indoor toilets are relatively new. The sewers form a vast interconnected network that is inhabited by thousands of rats. The Emperor's Advise...
[Question] [ **Closed.** This question is [off-topic](/help/closed-questions). It is not currently accepting answers. --- You are asking questions about a story set in a world instead of about building a world. For more information, see [Why is my question "Too Story Based" and how do I get it opened?](https://w...
[Question] [ ## Background: Following the development of faster-than-light technology, humanity has spread across the stars and encountered many kinds of alien life. While the galaxy is mostly peaceful, occasional wars do break out, and piracy is an issue. ## The Tech: All groups use an FTL drive based on the same b...
[Question] [ A rather simple question in my opinion compared to my typical: Why would a nation with Napoleonic age technology and weapons use axe bayonets over the more standard 'spear-like' bayonets? They were made so I imagine there was a rational at some point I'd like to understand. part 2: how could this ration...
[Question] [ **Mankind is adrift.** Only few millions of people survived, they are struggling to stay alive. Food is hard to find and plants do not grow (mostly). Water cannot be found on surface, the only way to get it is to find an underground river/lake. The world is hot, dry, there are almost no clouds and rain i...
[Question] [ I am writing about my own fictional cluster of solar systems where one planet had many environmental circumstances that lead to the majority of the planets species evolving to be blind and rely on sound and echolocation. On this planet one intelligent species eventually formed a civilization and I have b...
[Question] [ In my world magic is conferred genetically. Their are five "types" of magic, which never mix. You either have one type, or you have another (or none at all, the sixth option), you never have a mix of two. In real life we see this behavior frequently with two discrete options. By that I mean two distinct ...
[Question] [ So I'm writing a story about a crew of scientists that explore the universe searching for a hidden knowledge in embed in the fabric of the space itself. More like to the Destiny's crew from [Stargate Universe](http://stargate.wikia.com/wiki/Stargate_Universe). Like their ship, I want mine to have some so...
[Question] [ [I made a post a while ago about how to saddle a dragon.](https://worldbuilding.stackexchange.com/questions/214095/dragon-riding-question) I recently remembered that, and another question came up: **how to pilot a flying animal?** Land animals tend to run in the direction their heads are pointing, but an...
[Question] [ ## BACKGROUND I'd like to create a world that includes pyrokinesis, the ability to heat and even combust materials at a distance. This is a low-magic setting, so what I have in mind is not very flashy. I'd like my mages to be able to heat good thermal conductors, spark combustibles, and that's it. For an...
[Question] [ Let us say that the siege [here](https://worldbuilding.stackexchange.com/questions/4188/what-would-be-the-problems-during-this-type-of-siege) was 100 percent successful. One of the answers pointed out that even if it did, the country wouldn't just ... die. So we need a reason why, excluding: * Religious ...
[Question] [ Suppose you open a portal between Earth and space with a diameter of 1 ft. The portal is an opening in space that immediately connects both sides, i.e., it’s like a [*Portal*](https://en.wikipedia.org/wiki/Portal_(video_game)) portal. How strong would the air be rushing in, and how much would it effect t...
[Question] [ Tech level is early Rome, China, Ethiopia, etc. ~ first century BC. Unlike history, there's peace and cooperation among all the benign monarchies of the whole Earth. But it's hard to get daily communication from (now) peaceful Rome to (now) peaceful imperial China, for example, and back to Ethiopia. Hors...
[Question] [ Within my setting, there will be a race of spider people, and they will have the ability to create "metal silk", which is basically taking any type of metal, realistic and fantastic, and dissolving it in silk. The result is a cloth that is soft, supple and flexible as silk, but as strong as the metal use...
[Question] [ As one of the feature in my world, I want to create a very deep chasm, as deep as possible. If it can touch the core, it will be perfect. Size does not actually matters, although I think the consequence of having a very deep chasm would be a big size. Note that to qualify as chasm, it must be relatively...
[Question] [ Suppose there is a rogue planet. I was imaging what could be its energy source for life, and I remembered that photos of the center of a Galaxy look very bright. So my question is, can a galactic center be the sun of a rogue planet? [Answer] # Probably Not As far as we can tell, the center of each gal...
[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/41817/edit). Closed 7 years ago. [Improve this question](/pos...
[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/38265/edit). Closed 7 years ago. The community reviewed wheth...
[Question] [ Around 1100 years in the past, a great empire spanned most of the known human world. At its center was a great city of learning and discovery, where humans first developed methods to channel omnipresent magical energy directly into their wondrous inventions, setting civilization on the cusp of an era of ...
[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/107341/edit). Closed 5 years ago. [Improve this question](/po...
[Question] [ 3D printing technology has come of age, its application is widespread and has already started to replace many manufacturing processes. Let us cut to the chase: I am wondering if we can really print anything under the Sun. If not, what kind of inorganic tool will never be 3D printed? (Set in the present ...
[Question] [ In the moment I am writing a story about a post apocalyptic earth where a new, stable society is thriving centuries later. The setting is planned to be an early industrial solar punk world with some futuristic elements due to the fantastical event that caused the apocalypse in the first place. My questio...
[Question] [ In [a previous question](https://worldbuilding.stackexchange.com/questions/107627/how-can-mutually-assured-destruction-be-made-not-assured) I asked how Mutually Assured Destruction could be made not assured. Most of the highly rated answers focused on political methods, but [one answer](https://worldbuil...
[Question] [ In response to [Write once perpetual storage, is such a thing possible?](https://worldbuilding.stackexchange.com/questions/119648/write-once-perpetual-storage-is-such-a-thing-possible) Separatrix pointed me at [How could an ancient race warn the future in a universally understandable way?](https://worldb...
[Question] [ In my most recent question, I asked for a material other than calcium and collagen that could form skeletons in alien creatures. My favourite answer was bio-steel; "Iron with a small percentage of elemental carbon". There will be scavengers on my world; scavengers as powerful to the alien carcasses as s...
[Question] [ In my book, Oumuamua was actually a large alien invasion/colony vessel. So, suppose we have an invading ~100 km long alien colony ship flying towards Earth. Suppose also that the aliens are unable to fully cloak themselves, but have a way of altering/reducing their visual or infrared signature. Is there ...
[Question] [ So I’m sitting here populating my alien world with critters to run around, eat each other and do critter stuff (as is the custom). At some point a thought came over me that their organs should be weird crazy shapes to mix things up a little. ## What are spiral lungs good for? The organs are sort of shape...
[Question] [ Humans are the equivalent of bacteria to planet-eating monsters. And since, as we all know, eating humans is dangerous business, these monsters have decided to cook our great planet Earth before eating it. Handwaving the monsters and all that comes with them, **what is the minimum temperature they have t...
[Question] [ Is it possible for there to be a "solar system" of sorts with a black hole and a few suns orbiting around it? Could that system be stable and (if so) would it be possible for some civilization(s) to exist on planets orbiting the stars and the black hole? [Answer] # Problem 1: The supernova The first c...
[Question] [ Imagine alien prospector wanting to build "space highway" through our solar system. There could be another route, but the one leading to our system is "the best" Such prospector also wants to use Jupiter orbit as "space gas station, with bar". Jupiter could be used not only because of its gravitational a...
[Question] [ Disregarding actually acquiring material and any time/effort required for the manufacturing process, would titanium cutting weapons (e.g. swords and daggers) be more effective than steel weaponry? [Answer] Let's get one thing out of the way first: 'steel' isn't a single substance - it's a term for 'an...
[Question] [ I've been kicking around story ideas about how much different this pandemic would be if human beings could actually see the virus on our hands, on surfaces, in the air, etc. This lead me to wonder: can a human head host eyes with sufficient resolution to be able to see bacteria? How about viruses? To do ...
[Question] [ I have been making a future colonization scenario where people have vast colonies on Mars and cloud top bases on Venus. These things are unbelievably large. I've already thought of a way to travel between these on Mars, but Venus is another issue. Could you use a common passenger jet (most likely modifie...
[Question] [ I want the surface of my fantasy planet to be made hostile every few thousand years for long enough to make every species go extinct that breeds on land. The easiest explanation seems to be other planets' gravitation, causing every volcano to erupt at the same time when everything is in a certain constel...
[Question] [ *This question is about an idea/decision I use in my conworld. There are also plenty of other questions on that world such as [this one on **steam engines**](https://worldbuilding.stackexchange.com/questions/57761/how-to-make-the-development-and-use-of-steam-engines-preferred-over-that-of-comb) or [that ...
[Question] [ 3-D printers, replicators, nanofabricators etc. are all technologies that, when pushed to their logical limit, seem to make the transport of finished goods obsolete when all you need to do to obtain any given item is simply supply your fabricator with the right raw materials. In a future with ideal fabri...
[Question] [ I saw some games or stories where space mines were used. My question is: *would it really work* ? I think the chance of hitting a mine is really really low in space. Where would you place a mine in space to be effective and how should the mines work, to be efficent ? [Answer] Mines could work if we st...
[Question] [ In a feudal kingdom, a knight was granted a small island in the middle of a large [river](https://en.wikipedia.org/wiki/File:Rhein_Mainzer_Becken_stromab_von_Mainz_bei_Eltville_und_Erbach_vor_Bingen_Foto_2008_Wolfgang_Pehlemann_Wiesbaden_IMG_0263.jpg) by the king. The island is only about 700 square mete...
[Question] [ **The Background:** I am going to be asking a series of questions that will be relevant to forming some sort of a picture of human space commerce. Let's say that Earth-based human civilizations have discovered a series of ancient jump-gates that allow them to travel within a large and varied interstellar...
[Question] [ An answer to the following question mentions a free online calculator for long-distance space travel. [Software to ease my interstellar travel calculations](https://worldbuilding.stackexchange.com/questions/33757/software-to-ease-my-interstellar-travel-calculations) I'm looking for a 3d simulator that ac...
[Question] [ I have a world where certain species of dragon live along the coasts, eating off the fish from the sea. I like the idea that they can fly through the air and swim in pursuit of fish but I'm not sure that would be practical because the wings would cause drag. I'm also not sure whether they would even *ne...