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[Question] [ The theory of [Late Heavy Bombardment](http://en.wikipedia.org/wiki/Late_Heavy_Bombardment) says that approximately 4 billions of years ago, something disturbed the orbits of asteroids in the [Kuiper belt](http://en.wikipedia.org/wiki/Kuiper_belt), which caused extremely heavy bombardment of Earth by ast...
[Question] [ * What is the oldest a still extant cave on Earth could be? * What conditions could encourage the longevity of a cave? It seems that the oldest known caves, the [Jenolan Caves](https://en.wikipedia.org/wiki/Jenolan_Caves) in Australia, formed in the Carboniferous period. * How plausible would a cave fro...
[Question] [ I have a world inside a Dyson ring with a radius of ~1 AU, complete with humans, animals, plants, clouds, and Earth-like atmosphere. The ring is spinning at a particular angular speed, giving the inhabitants on the surface the experience of Earth's gravity at sea level. How convincing is this pseudo-grav...
[Question] [ I'm at the mall and Yellowstone erupts - My, and everyone else's car is covered with ash, fire, and maybe even lava. Lets say it was a big shopping day too, like Black Friday or Christmas Eve, just to ensure the parking lot is packed -- That is a lot of steel in one place. Now, everyone is dead, and our ...
[Question] [ This question is about the technical plausibility that, instead of guns with bullets, cops would be using hand guns that emit a bolt of laser beam (or some other energy beam). Considering issues such as energy needs, risk of eye damage from laser beams, and that (at least some laser frequencies) can rico...
[Question] [ How could blue soil exist, in a realistic earth-like world. *The world may even be earth.* First off is it even possible - could soil like this exist given the requirements below? (if not then why?) Mainly what would the composition of the soil be (what elements/chemicals would be present that give the s...
[Question] [ ![Armour](https://i.stack.imgur.com/6pmWQ.jpg) Scenario: A group of friends, stranded in a medieval castle/modern museum, need to go outside to forage for food. They managed to gather complete sets of medieval armour from the museum. Museum is clear of zombies and might be a nice base of operations to pr...
[Question] [ This question is connected to: [Fire Resistant Flora](https://worldbuilding.stackexchange.com/questions/11179/fire-resistant-flora) I've been pondering a short story concept where a scientific expedition discovered a planet with a huge amount of both free hydrogen and oxygen in the atmosphere. This is ca...
[Question] [ I need ten Earth years long day-night cycle on my planet. Hemera is a world I am creating as a setting for my story. Name comes from Greek deity - personification of Day. Needs of storytelling have precedence, but I would like my world to be more or less plausible. Hemera is a very slowly rotating planet...
[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/9822/edit). Closed 5 years ago. [Improve this question](...
[Question] [ \*By life, I mean something more complex than microorganisms. Something closer to what we have on Earth. similar to this question: [Is it possible for complex life to evolve on planets without oxygen?](https://worldbuilding.stackexchange.com/questions/1031/is-it-possible-for-life-to-evolve-on-planets-wi...
[Question] [ In my world, there are two types of people, lefties and righties. They have opposite orientations, which means they are mirror images of each (they are [Enantiomers](https://en.wikipedia.org/wiki/Enantiomer) of each other essentially). Throughout much of history, most people have been "orientist", or "ha...
[Question] [ Spinny McSpinface is an ancient generation ship, invented and launched before the creation of [Wrap drive](https://worldbuilding.stackexchange.com/questions/63587/why-are-there-no-toilets-on-the-starship-exciting-undertaking?rq=1) and recently arrived at its original destination of [A Long Way from Anywh...
[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 4 years ago. [Improve this que...
[Question] [ Usually, when a fictional society violates common assumptions of modern Western society, it's either a dystopia where the society is disparaged to uphold Earth society (every Star Trek alien society ever), or a utopia where the author tries to push this different model of society as better (Ayn Rand book...
[Question] [ Suppose the Earth entered a period of intense global warming, say by 50° Fahrenheit (28° Celsius), and then levelled off at the new, higher, temperature. Obviously, anywhere near the equator would not be inhabitable, and melting icecaps would cover much of the coastal regions. However, would this necessa...
[Question] [ So, lizardfolk are humanoid (and, so, upright) creatures with reptilian features and are also [part-time endotherms](https://en.wikipedia.org/wiki/Argentine_black_and_white_tegu#Warm-bloodedness). They're well-adapted to living in water and on trees to a degree. One adaptation for of that is a large tail...
[Question] [ **If by some form of magic, the sun went out, but the earth was still warm a.k.a the Earth did not just freeze and kill us all, who would die first, and how long would it take for all terrestrial living things in the world to die?** I can hypothesize that all the plants would die out first before all the...
[Question] [ **This question already has answers here**: [How Useful Is Super Strength (for punching)?](/questions/28062/how-useful-is-super-strength-for-punching) (5 answers) Closed 7 years ago. Assume a humanoid with greatly increased strength. He (or she) throws a massive direct punch at the middle of the b...
[Question] [ The length of a day on different planets in the solar system varies a lot. For instance, Mars' day is about the same length as Earth, while a day on Venus is equivalent to 243 Earth days ([source](http://www.universetoday.com/37481/days-of-the-planets/)). And Jupiter rotates about 143 times faster than M...
[Question] [ The [grey goo](http://en.wikipedia.org/wiki/Grey_goo) end-of-the-world scenario in which lots of little microscopic [Von Neumann self-replicating machines](http://en.wikipedia.org/wiki/Self-replicating_machine) basically eat everything to make more of themselves. Eventually everything is grey goo. Assum...
[Question] [ I'm writing a story where a group of mischievous aliens teleport iconic creatures to inappropriate time periods. (Dimetrodons in colonial Germany, Pterodactyls in the medieval Ottoman Empire, Plesiosaurus in feudal Japan, etc.) In the chapter I am writing, a Roman Cohort discovers a living Tyrannosaurus ...
[Question] [ I was brainstorming with a bunch of friends about a story with more than one sapient species on a planet. The idea was to have different lifespans for each species as part of their differences. I thought about having the usual humans with a standard 70 years lifespan and other species with ten (10) or a ...
[Question] [ Imagine a Mark Wattney-like scenario, only on Titan and involving a decent-sized base being isolated instead of a single person. There is not, and never has been, the possibility of growing potatoes. There are "enough" protein packs and vitamin pills for the scenario, but only just enough, and no other e...
[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/131359/edit). Closed 5 years ago. [Improve this question](/po...
[Question] [ Gender roles have been historically assigned at birth. As soon as parents establish the sex of their children, they are molded into certain social categories. But **what if humans didn't display sexual characteristics until adolescence?** My story is set on a fictional world very similar to ours in the L...
[Question] [ Imagine a species almost identical to humans, with one exception. All sperm contained both X and Y chromosome, and every child has the potential to develop as either sex. However, the mother has some form of control to select the sex of the child during early development, say through controlling rather o...
[Question] [ I am writing a story in which the characters have some power over the physical world - literally able to transform their knowledge of physics into powers. I am trying to determine a good way for them to fly. Literally anything is available to them that has some kind of physical law attached to it. My cur...
[Question] [ Magic conveniently "explains away" many things associated with shapeshifting, but in the course of some of my fiction writing, I endeavor to include some slightly more plausible explanations when possible. One such aspect I've not been able to create a satisfactory explanation for is how a shapeshifter m...
[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. **Cl...
[Question] [ There is a website called the SCP Foundation which features a variety of creatures, objects and phenomena that border on the horrifying to the just plain weird. This one straddles the boundary between both: carnivorous blankets (or SCP-799 as its officially known on the website). Here’s the official page...
[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] [ I was wondering what it'd take for a fluid to be more efficient than water for steam engines. My current idea is a fictional fluid with three properties: 1) It boils at 80C, thus requiring less fuel/energy to heat to a boil. 2) It has twice the density of water. Since vapour is always the same size regar...
[Question] [ I'm working on a sci-fi setting which includes an aquatic space-faring species. When a human space vessel is ruptured and depressurizes, the gas can escape rapidly and we immediately suffer from the effects of vacuum. For a water-filled vessel and an aquatic species, how would the ship being ruptured aff...
[Question] [ All the humans disappear, except maybe less than ten (unskilled) people. How long would those few be able to access and use the internet? [Answer] **Not very long at all.** Probably days at best. While I'm not sure about the infrastructure of the internet itself (which I think would probably last a li...
[Question] [ Imagine that the average number of children born per birth without any artificial intervention was three (i.e. triplets were the norm) and that 98% of pregnancies gave rise to 2 to 4 children, with a single child happening only 1% of the time and more than 4 children happening 1% of the time. This has be...
[Question] [ On Earth you can find your position through GPS, with clever use of satellites, timestamps and maths. Now imagine you're on a spaceship, there no satellite and nothing is going to give you the time. Yet, you need to find where you are relative to galactic center (which is the zero of my coordinate system...
[Question] [ It was pointed out [here](https://worldbuilding.stackexchange.com/questions/10004/how-big-can-a-space-empire-get) that the speed of light is a huge issue for any government that spans multiple stellar systems. The consensus seemed to be that it is very difficult to make large empires work. However, I don...
[Question] [ Faster than light travel is Dangerous with a capital D. The main reason for this is because by the time you see something, you've already smashed into it and vaporised yourself, the target and any unfortunates in the general vicinity, as well as releasing all those crazy science particles inside the fuel...
[Question] [ The year is 2032. The location, rural midwest North America. A decade ago, a plague wiped out almost every living human. There weren't even enough survivors to bury the dead. Secondary plagues rose from the decaying remains, further diminishing the ranks of the breathing. It took three long years for the...
[Question] [ Apart from the obvious difference that liquid ammonia needs a much colder temperature than liquid water (but ammonia-based life forms wouldn't feel that as particularly cold), what would be the most obvious visible differences of an ammonia-based world compared to a water-based one, as seen by a life for...
[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] [ What natural environmental pressures or opportunities might drive an **alien** ophidian species to evolve sapience and caudal tool use? ## Conditions 1. The species should be lacking limbs prior to the emergence of these traits, but may develop finger-like appendages for gripping and fine manipulation. 2...
[Question] [ I was wanting to make a species on an alien planet that reproduce purely asexualy, and their star produces enough radiation to cause common mutations among the children to cause something similar to biodiversity. Would this be possible? [Answer] From a high level point of view, yes, it possible. In th...
[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. As w...
[Question] [ Many countries, authorities and companies have the concept of a maximum weight limit for manual handling, both to protect their workers and to protect themselves from lawsuits. Interstellar Shipping Incorporated (I.S.I.) also has such limits, but their requirements are a little more complicated. As they ...
[Question] [ ## QUESTION I was thinking about ways of justifying practical balloon flight for a pre-industrial civilization, when I remembered that some microorganisms produce [methane](https://en.wikipedia.org/wiki/Methanogen), and better yet, [hydrogen](https://www.ncbi.nlm.nih.gov/pubmed/18647659). **This made me...
[Question] [ I am wanting to build a world with a strong retail presence, and became interested in the Information Desk at Selfridge's. This was not the simple standard store information desk, where you ask directions or make enquiries regarding the store itself. Nope, apparently, this information desk, was an infor...
[Question] [ Given a fantasy world in which magic exists and which dragons are real, what kind of tactical advantages could a dragon and rider pair have over dragons without riders? To expand on the setting: * Dragons are sentient beings with intelligence and personality equal to or greater than that of humanoids. Th...
[Question] [ Humans (and most animals) sleep. The reasons aren't really clear but most people [believe](http://www.bbc.co.uk/science/humanbody/sleep/articles/whatissleep.shtml): > > We have to sleep because it is essential to maintaining normal levels > of cognitive skills such as speech, memory, innovative and fle...
[Question] [ There have been a few races in science fiction (e.g. The Dwellers: from Iain M. Bank's The Algebraist) that have no concept of empathy. They do not care about the fate of others in any real way, the Dwellers regularly engage in ritual war amongst themselves for entertainment, hunt and enslave their own c...
[Question] [ I am recalling the Space:1999 nuclear waste containment explosion; this has been criticized because such an explosion would have actually destroyed the moon. I am curious for events that could happen directly on the moon, or elsewhere, and the natural effects that would impact the moon as well. Also, I ...
[Question] [ I'm writing a short story in which my group of character is devising the stupidest and least practical way of lighting a fireplace. It then came to my mind that stuff that undergo reentry [gets hot](https://en.wikipedia.org/wiki/Atmospheric_entry "like, really hot"). I am aware that this process might di...
[Question] [ Mythbusters did an episode about trying to foil a blood hound, when Adam played a convict who tried to make the dog lose his trail. Every trick he did failed like washing, changing clothes, going through water, masking the scent with coffee other scents. > > Bears are thought to have the best sense of ...
[Question] [ I am in the process of creating my universe, and have based it on semi-hard science. The universe that I have created is quite extensive, and I thought that it would be unreasonable for the only kind of genetic material to exist to be DNA and or RNA, and yet I don't just want to come up with some outland...
[Question] [ Given an arbitrarily long time to do so, what is the maximum depth too which a dwarven civilization could practically extend their mines / cities? And what would be the final limiting factor preventing further expansion of the downwards frontier? I figure eventually they'll hit the Mohorovicic discontinu...
[Question] [ I’ve heard that bodies of water boasting high salinities tend to turn red due to seasonal algae blooms. I have a river in a fantasy setting I’m working on that’s blood red year-round, and I want to kind of subtly hint to the readers that this is the actual reason the river is red, rather than the local j...
[Question] [ An upload is a full digitized copy of a mind, human or otherwise. Would a market for buying and selling uploads develop, and if so how valuable could such uploads become? You can assume: 1. Virtual Realities with full interactive 5-Sense immersion are a reality by this point, temporarily allowing a huma...
[Question] [ Imagine a big planet, gravity quite strong, 1.5 times earth. Irregular surface, rocky etc... (though flora and fauna will come into it later). It has a very thick atmosphere, drained off by a twin planet, even bigger, which is now a small gas giant. Is it possible that - the air that is left could be he...
[Question] [ ## The Bearer: Background --- On Alternate Earth, studies and cases have shown that a *small percentage of the population (10%) is responsible for 90% of the bad luck*. **These people are targeted by bad luck**, almost by cosmic forces: they are struck by lightning out of a sunny day, hit by cars whose b...
[Question] [ Assume a medieval magic world, where Gods are worshipped and the most popular God is the most worshipped. The Gods gain their power from the belief & prayers that comes from the believers, and find it easier to show their power (which causes more people to believe in them). The Gods cannot manifest physi...
[Question] [ Considering that 60% of U.S. coffee drinkers [claim to need a cup of coffee to start their day](http://www.statisticbrain.com/coffee-drinking-statistics/) and that people who are used to drinking one cup of coffee a day or more, can get [withdrawal symptoms](https://en.wikipedia.org/wiki/Caffeine_depende...
[Question] [ Imagine that humankind finally takes wing and reaches out into the heavens to claim its vast cosmic birthright ... ... only to find that [a previous wave](https://worldbuilding.stackexchange.com/questions/8716/sapience-pulsar-could-intelligence-come-in-waves) of dinosaurs from Earth, who left ~65 million...
[Question] [ Most technological progress today seems to be founded on the innovation that is happening in the realm of computers. If a society were to outlaw the use of computers, but the drive for scientific progress remained the same, how might that society evolve or adapt? Let's assume the nature of the ban is a s...
[Question] [ This can apply to all countries but I live in America so this question specifically focuses on the American government. How would the President prepare the nation for the news that magic is real, humans can perform magic and magic users should be accepted as an integrated part of society? In my world, ma...
[Question] [ **Concept: For some twisted reason, a xenocidal space-race living somewhere in our vicinity decides that nothing deserves to exist.** --- So they make a species. Any feasible size, any kingdom. * **It eats everything that contains organic tissue** * **It can survive any environment that we know life exis...
[Question] [ [This question](https://worldbuilding.stackexchange.com/questions/26364/no-newborns-on-earth-how-much-time-to-find-a-cure) by Andrea Jens considered a world in which a virus causes global infertility: no new children can be conceived. Now suppose that, after 40 years of complete global infertility, a cur...
[Question] [ What are realistic time-schedule expectations for far-future terraforming and developing earth-like plant and animal/fish/bird populations on distant planets, by means of robotic space probes with "seed" technology such as bacteria that converts atmosphere, seeds, bionegineered eggs, etc.? The idea is th...
[Question] [ Building from [this](https://worldbuilding.stackexchange.com/questions/3714/how-would-an-aquatic-civilisation-forge-tools) and [this](https://worldbuilding.stackexchange.com/questions/3722/how-would-an-aquatic-race-develop-computers), given an aquatic civilization somehow manages to forge tools and build...
[Question] [ In plenty of fantasy words, there's a wizard who can drop fireballs on large swathes of combatants. There usually isn't a detailed explanation of how a medieval military force would deal with what is effectively precision targeted artillery. **How would the formations, tactics, and equipment of pre 14th...
[Question] [ Light travels differently in water and air. Some of that is because of light's speed in a substance, and some is the light absorption that substance exhibits. Is the difference in light scattering underwater enough to make a sea-dwelling race (like merfolk) be noticeably Nearsighted or Farsighted when co...
[Question] [ I'm exploring a post-apocalyptic world and want to build a realistic scenario for the condition of abandoned ruins. What would you estimate to be the lifespan of the following building types? And by lifespan, I mean the upper limit on usability as a structure. Obviously, they would be in bad condition (t...
[Question] [ **Edit:** some answerers seem to be slightly misunderstanding the nature of the premise. Remember that the concept here is this; **In the Precambrian of Earth, bacteria evolve to extract the abundant chloride in seawater and use it to emit chlorine gas as a defense mechanism. Their predators adapt, and t...
[Question] [ # Background A [McKendree cylinder](https://en.wikipedia.org/wiki/McKendree_cylinder) is a rotating cylindrical space habitat comparable to the more well known [O'Neill model](https://en.wikipedia.org/wiki/O%27Neill_cylinder). It was proposed by NASA engineer Thomas McKendree in 2000 as an update of O'Ne...
[Question] [ In my [timeline](https://worldbuilding.stackexchange.com/questions/59694/how-to-bring-vikings-to-south-africa) fleet of Viking ships reached South Africa in 10th century, and settled there. They defeated indigenous tribes and created a Viking kingdom. They also stopped the Bantu expansion in the 12th cen...
[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. Spac...
[Question] [ Animals on planets are so 20th century - let's herd us some space animals! In this story I have the need to move a herd of pesky space animals. They like Suns for their juicy solar energy and hydrogen, have stumbled into our solar system and are in no hurry to leave. This causes some problems, I'll come ...
[Question] [ A space colony that resembles the design of a [Stanford torus](http://en.wikipedia.org/wiki/Stanford_torus) generates artificial gravity by centripetal force. Discussions about benefits of such fake gravity can be easily found: no more constant physical exercise like in today's space ships (you can conce...
[Question] [ Internal mass drivers are a potentially useful space drive, due to the ready availability of reaction mass (you can use anything from spare parts to literal dirt as a propellant, assuming you have a ferromagnetic bucket that you decelerate and retrieve at the end). However, on long trips on which *in sit...
[Question] [ A common, matter-efficient science-fiction habitat is a hollow cylinder or ring in space that is spun to simulate the pull of gravity on its interior surface. These habitats have been imagined as small as a spaceship, mere meters in radius, up to a ringworld, 1 AU in radius. Say we have a rotating space...
[Question] [ I have two "new" planet earths -- we'll call them Light Earth (LE) and Heavy Earth (HE). These planets are generally the same as our Earth in terms of land masses, oceans, the moon and sun and other terrestrial objects, weather, and so forth. The difference between them and our Earth is in the force of g...
[Question] [ Recent news [reported](http://www.cnn.com/2016/05/02/health/three-habitable-planets-earth-dwarf-star/) the discovery of three "earth-like" planets in the TRAPPIST-1 system. This is interesting because the star is a small, cool red dwarf about the size of Jupiter. The three planets in the habitable zone a...
[Question] [ Imagine we're far in the future and mankind is part of a large web of planets/colonies including several other intelligent species. It's a space opera not much different from Star Wars. There is heavy exchange between the different worlds, moving billions of people and goods around. A large galactic civi...
[Question] [ **The Situation** The fantasy world of Terrearth is once again threatened by the Shadow, a sentient, but completely unintelligible being composed of Absolute Evil, whose sole purpose is to destroy the world to replace it with a plain of absolute nothingness, in which evil will be the only thing left. The...
[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 questio...
[Question] [ After asking this question, [What's the worst natural disaster that could hit New York City in our lifetime](https://worldbuilding.stackexchange.com/questions/919/whats-the-worst-natural-disaster-that-could-hit-new-york-city-in-our-lifetime), it looks like the most popular answer was a Tsunami. A tsunami...
[Question] [ The backstory for a key character in my story involves him receiving a harsh punishment for becoming corrupt. The tearing off of the wings themselves is *easy* to write. It's the state he's left in afterwards that I need help on. Sadly (or fortunately?), no one seems to have written articles on 'ripping ...
[Question] [ Imagine a spaceship constructed for merfolk and it is completely filled with oxygenated water instead of air. Since they can swim around effortlessly in the water, do they even need artificial gravity similar to their natural habitat on Earth? [Answer] ## Artificial gravity will make it much easier t...
[Question] [ ## The Setting It is the near future (say 2060ish). Some entity (corporation, government, private venture, etc.) has elected to build the first permanent (as in intended to become self-sufficient) space colony. You (student of history, sociology, and political science) have been asked for your suggestion...
[Question] [ You've gone through the process of world building and generated scads of information from important Universal Forces to interesting tidbits of local history. What **methods** of storing world building information exists? If so, have you used them and how has that worked for you? How do you **manage this ...
[Question] [ > > **Summary**: *I am looking for a portal transportation mechanism that is consistent with the laws of thermodynamics.* > > > **[Portals](http://en.wikipedia.org/wiki/Portals_in_fiction)** (or **wormholes** or **gateways**, something that connects two different locations in space-time), are usually...
[Question] [ > > Look at you all sitting here. Quite some of you have probably never ventured beyond the outskirts of this city, mayhaps not even past the wall? You've spent your whole lives in this place, but what do you actually know about *its* lifetime? > > > Introductory course to the History & Sociology of ...
[Question] [ Assume someone detonates a Hiroshima-sized nuclear bomb in space. Since in space there's no air, the bomb will behave differently than on Earth. In particular, there will not be an air pressure wave, and certainly no "mushroom" cloud — the energy will be sent in all directions equally, as kinetic energy ...
[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. Okay...
[Question] [ This is about "giants" inhabiting a fictional earth-like planet somewhere in the Universe (like those in the movie Prometheus, for example). Assuming that all the conditions (temperature, gravity, atmospheric pressure and composition, etc) on the planet are about the same as on earth, what would be the t...
[Question] [ What would it look like for elementals (type of creature based on its base element) if the base element acted as its gravity? How would they move about? How would their basic actions look compared to humans? So a fire elemental might be pulled from its feet by a large explosion (explosion might not do da...
[Question] [ Here's a world much like Earth, except it's inhabited by a race of shapeshifters. On one side of the appearance divide there is an appearance much like a large Earth wolf; on the other is an appearance much like an Earth human. The actual mechanics of the shapeshifting process are undefined, and I'm will...
[Question] [ I am the most powerful weather wizard in the world. I can create any sort of wind based phenomenon with a snap of my fingers. I can whip up a tornado in less than a minute, and get a Category 5 hurricane going in a few hours. Though the magic I use to generate wind creates energy out of the Aether, once ...
[Question] [ Worldbuilder in dire need! I'm trying to figure out the eclipse length of a habitable Earth-like moon that is rotating around a gas giant. The story that I work on is centered on the Earth-like moon, but math was never my strongest suit and I'm in dire need of some mathematicians, astronomers or science ...
[Question] [ I request some help with the design of one particular denizen of [my fantasy world](https://worldbuilding.meta.stackexchange.com/a/3845/10851), tentatively named Boar Troll. It needs to be an ungulate or closely related creature with emerging sentience, and that's as far as I am right now. In fact, some ...