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[Question] [ I am wondering how will it affect earth or none at all. Seeing that Jupiter by far is a gas giant and has really strong gravitational pull while Mars is mostly dormant, weak gravity and a terrestrial planet how will it affect Earth? You see in my story/worldbuilding, there is this omnipotent spacewhale t...
[Question] [ **This question already has answers here**: [Non-Cancer terminal illness that can affect young (age 10-13) girls?](/questions/139999/non-cancer-terminal-illness-that-can-affect-young-age-10-13-girls) (17 answers) Closed 3 years ago. I’m trying to find the disease/condition my character is going th...
[Question] [ I suspect being economically strong and independent aren't enough to become a super power in today world, I realised that US is slowly losing it's grip as a super power after it starts shifting focus on other research areas and staying away from making nukes. Given today technology, can a nation become a...
[Question] [ I found this definition of life. **Life is a thing that can adapt to its environment, grow and replicate**. But mechanical, electrical, and electro-mechanical machines are never called alive. People always dismiss the fact that machines can be living even though we ourselves are molecular machines. **Wh...
[Question] [ So, I was thinking about a way to recreate the spell "Bound Sword" from Skyrim and so created this. A bound weapon consists of: **1.** A hilt that generates a strong magnetic field. The hilt doesn't contain a battery and relies on an outside power source supplying it. **2.** Azkabantium shards that are s...
[Question] [ Which minimal order of magnitude is required to simulate single cells and microorganisms in cyberspace? In an utopian future, people will be possibly able to rapidly design new cures, be their realization a new chemical substance, a nanobot or a synthetic antibody. > > "Today we will learn how people bu...
[Question] [ On this planet, there is a nomadic tribe of humans who are the descendants of unwilling colonists from thousands of years prior. They are a nomadic tribe because of the incredibly extreme seasons, this forces them to cross frozen over oceans and travel vast distances in temperatures that are frigid for f...
[Question] [ Many mythological creatures have a popularity secondary only to the dragon (the one true global force.) Among them is the griffin, a half-bird-half-cat cut-and-paste. Now, in an alternate Earth, the griffin is a real clade of primarily arboreal mammal, which means ditch the third pair of limbs and justif...
[Question] [ Spacecraft in my Scifi setting use strong magnetic fields for many purposes. Fusion containment, magnetic nozzles, gauss guns, magnetic fields as pusher-plates for nuclear pulsed propulsion and defensive plasma-windows as well as cure-point sand casters are among the technologies using large and powerful...
[Question] [ A quadruped creature, similar in size to a small cow has found its niche in shallow freshwaters in a tropical climate. What type of feet would be suitable for this environment? I speculate that the major issue here is that heavier creatures can sink and get stuck in the mud. The creature is an omnivore, ...
[Question] [ I read [this](https://medium.com/starts-with-a-bang/ask-ethan-82-why-are-the-planets-all-in-the-same-plane-4470245c8743) and wonder now, what if we would introduce a new planet to our solar system; would the force of gravitation demand a similar plane as that of the other planets? Mercuries 6.3° indicat...
[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/152456/edit). Closed 4 years ago. [Improve this question](/po...
[Question] [ Say a novel is set 100 years from now, when a confederation of nations establishes a unified military force. (Yes, I know, but this is fiction after all) Would a military academy, training astronaut fighter pilots for combat in interplanetary space, in a space station in geostationary orbit automatically...
[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/144501/edit). Closed 4 years ago. [Improve this question](/posts/144501/edit) ...
[Question] [ # Heraldic Dragons Heraldic dragons are the creations of a mad god, called Anon, designed after the classical six-limbed ones. ## Measurements: * Head+neck length: 180 cm * Body length: 180 cm * Height at shoulders: 180 cm * Tail length: 280 cm * Wingspan: 11 m * Wing area: 22 m^2 ## Context of their cre...
[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. Bern...
[Question] [ Using technology already available to them at the time, could the 14-15th century world create a somewhat effective tank/AFV that could either be used to move artillery quicker around the battlefield or provide cover fire for troops to charge? [Answer] Leonardo da Vinci designed what would be consider...
[Question] [ For many centuries, magical armor has outpaced projectiles in warfare. Armor is enchanted with runes in order to make it more effective, as well as proscribed certain abilities to it. Runes are inscribed into the suit and then placed inside a ritual circle. A mage will then chant the incantation which wi...
[Question] [ I need a creature that can survive in environments with elements like lead and mercury in many nutrition sources, and in some places making up part of the atmosphere. I was thinking maybe it could have an organ with other elements that readily bind with the heavy metals, making them not toxic or detrimen...
[Question] [ When one thinks of a shelled cephalopod, odds are high that the first thing to come to mind are the ammonites. They were one of evolution's success stories, thriving from 400 to 66 million years ago. Why they became extinct is still a subject of much debate, but some theories have been considered: * Ammo...
[Question] [ I have found this idea on a discussion on /r/worldbuilding. Anyway, the premise is as follows: * The planet is earth-like in terms of size and mass. * The planet has a very large amount of small, active, mobile tectonic plates (several hundred to several thousand). My question here is: * How could a worl...
[Question] [ I ran across this article today about how [moons might have moons](https://gizmodo.com/astronomers-wonder-can-moons-have-moons-1829639045). In [Daniel Keys Moran](https://en.wikipedia.org/wiki/Daniel_Keys_Moran)'s universe, an Earth-sized planet named [November orbits a gas giant named Prometheus](https:...
[Question] [ In a scenario where scientists decipher a Math book of an alien culture, the last thing to expect is equations presented the way we know them.The way we write mathematical equations, is mostly taken for granted, as we know of one source. Early developments by the Arabs started with Algebra. The Renaissan...
[Question] [ What are the cost and restrictions or benefits of a creature being able to slowly morph from an animal to another while retaining memories? The creature morphs to giant eagle then morphs into fish and then back to its original shape. While transformed, the creature retains all its mental abilities and m...
[Question] [ **Context:** The world has been in a world war lasting centuries. Casualty rates are through the roof and can’t be lowered. The warring countries' solution was to make human factories by incubating fertilised sex cells from the most competent soldiers. Edit: For context, before this the technological fo...
[Question] [ *I was lounging about in my throne room when a man came to speak to me. He had one leg cut off (recently, too) and claimed he was an alchemist. He says that he wants to get revenge on the king of the neighboring kingdom, who cut off his leg with a spoon. I do not like this man so I happily agreed to the ...
[Question] [ On my previously asked question about the biochemistry of life on my ammonia. it leads me to my next question to ask. [![enter image description here](https://i.stack.imgur.com/QuWyZ.png)](https://i.stack.imgur.com/QuWyZ.png) First things first, the life on this planet is boron based. They breathe metha...
[Question] [ So, in the far off year of 2569, there are two main empires contending for control in the Alpha Quadrant. They are the United Terran Federation and the Qualian Star Empire. The former empire is made up of the terrans (humans) and the latter is made up of a reptilian species called the Qualians, who hail...
[Question] [ **This question already has answers here**: [How tall can a tree grow?](/questions/10793/how-tall-can-a-tree-grow) (3 answers) Closed 5 years ago. I ask the question, not as a subjective "well, Dale, what do ya reckon?" but as a perfectly factual question about tree growth here on earth provided a...
[Question] [ I've built a country with a culture that is somewhat progressive for today (i.e. men and women having equal roles in society, some religious tolerance and culturally-integrated acceptance of homosexuality) but have chosen to balance that out by making it believe in Social Darwinism (i.e. heavy competitio...
[Question] [ So, in a post-apocalyptic setting, when humans have gone extinct and their cities fell into ruin, I was wondering what animals might evolve to conquer the ruins of our cities. Notice: I know that all our structures (except for stuff like Mount Rushmore and Petra.) would probably be gone by 10,000 years, ...
[Question] [ Trying to come up with a general feel for a city dominated by temples, where evil gods may be openly worshipped alongside good gods. It is an independent city-state in a 2000 year old world, near the border between two nations that form part of an empire. The city actually sits within the territory of th...
[Question] [ **This question already has an answer here**: [Split-brain double identity](/questions/86326/split-brain-double-identity) (1 answer) Closed 6 years ago. I’ve been trying to wrap my head around how a creature with distributed intelligence, like an octopus, might think and feel as part of research f...
[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/95846/edit). Closed 6 years ago. [Improve this question](/pos...
[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 6 years ago. [Improve this que...
[Question] [ This is a rewrite of [this](https://worldbuilding.stackexchange.com/questions/92957/what-would-have-happened-if-hitler-had-launched-operation-sea-lion-the-planned) question in an attempt to reduce its scope and bring it back within the sites guidelines. I was writing a story set in an alternative history...
[Question] [ If you have undeveloped society, like hunters-gatherers living in a small village, but at the same time a highly developed social structure with division of labour and expertise, what would it look like? One person might learn to make a bow and a knife and an axe from flint, go out hunting, kill an anima...
[Question] [ In ion drive, we use ionized gas. With particle accelerators, we use high-energy particles. Given that colliders expend huge amounts of energy to propell a handful of particles, I speculate the particles can be used as propellant just like with an ion drive. Given the higer energy output compared to ion ...
[Question] [ Basically, I need one main character to be comatose and the other one trying to save him. The antagonist has to give the main character a specific time period to jump through hoops or whatever to get the antidote. I need something that either the killer injected before the accident that caused the coma ...
[Question] [ In my story, the government is looking to get as many individuals as possible outside. Is there a way to convince the population that there will be an eclipse or some other astronomical event without people figuring out that the calculations don't add up? [Answer] I don't believe there is a way that ...
[Question] [ **Essentially all the members of an alien species live within a single relatively sparsely inhabited megacity**. The city has a surface area of about 30,000km². The species happens to be almost exclusively carnivorous and needs to butcher around 5,000,000 large animals (including big flightless "birds", ...
[Question] [ In my world there is a society with Biology based technology. They have a number of biologically engineered creatures that perform various tasks. I was going to have them use a pheromones to communicate to these creatures as well as control them. But can pheromones really be used communicate complex comm...
[Question] [ I define "generalization" as the ability to put things together into groups based on common characteristics. I define "abstraction" to be the ability to articulate what those characteristics actually are (I'm open to choosing new words for those concepts). For instance, I know that apples, cheese, and be...
[Question] [ This is a follow-on from a previous question. I've done a bit of research and have determined that I'm interested in creating as expressive a language I can with a limited set of concepts, to be spoken by creatures with a proto-human level of intelligence. This is fairly broad, so I've settled on the fol...
[Question] [ *This is my first question in this site, so please don't bo too hostile to me. If I made any mistakes, please let me know.* In my story, there is an island inhabited by people, numbering enough to sustain reproduction. There are continents (and other islands) on the planet, but something prevents them fr...
[Question] [ I'm aware of hard radiations from space can wipe out life but I believe that would also causes the planet to be inhabitable for a period of time. Is there any other kind of energy that could destroy life without any "cool down" needed for new life to develop? This energy could be known or theoretical or ...
[Question] [ **[WARNING] Approximate physics incoming** A few months ago I was looking for a way to get to Gliese 581 within 100 years. So I've been reading a lot from Wikipedia and other sites about different propulsion devices. Then I found an wonderful [article from NASA](https://www.nasa.gov/exploration/home/anti...
[Question] [ It is well known that [phased arrays of antennas](https://en.wikipedia.org/wiki/Phased_array) employ the wave properties of electromagnetic radiation (radio, microwave, light) to put a bunch of energy on a certain point. ([Fancy wifi routers](https://en.wikipedia.org/wiki/MIMO) do this automatically.) It...
[Question] [ Even now, in 2016, if you take a look around in a 7-Eleven or any European counterpart of similar small shops, you can find a comparably huge selection. In fact, this applies to large counterparts (e.g. Wal-Mart in USA or TESCO in Europe) as well: even at the very basic products of human life like bread,...
[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. Ther...
[Question] [ What would be the most effective feet design for sustaining massive weight and also allow for the ability to climb? The organism in question has 12 limbs, 8 of which are large and strong legs that sustain the weight and give mobility. It weighs from 200 up to 400 kilograms depending on the species. It al...
[Question] [ I need an Earth where the atmosphere has become unbreathable for humans and animals because all plants have died. But everything else should stay pretty much the same. So here are my questions: * What could kill all flora on Earth over a period of several years without humans being able to stop it? Maybe...
[Question] [ A creature on my world can draw in energy from the sun and convert it into chemical energy with 100% efficiency. For the purposes of this question assume the animal has similar structure to a (photosynthesising) lynx. If we assume it has practically infinite energy can anybody give me some information on...
[Question] [ What I mean to say is that the Black Death of the 14th century still devastated Europe, but the culprit in this alternate scenario is not *Yersinia pestis*, the bacterium believed to be responsible for the plague. In OTL, the Black Death was *Black* because one of the plague's most conspicuous symptoms i...
[Question] [ [Non-Newtonian fluids](https://en.wikipedia.org/wiki/Non-Newtonian_fluid) are fluids that exhibit the qualities of a solid under rapid pressure but function as a liquid under long duration pressures. Is it possible, that an animal skin or some sort of plant fiber could exhibit similar properties and bec...
[Question] [ Underworld is often understood as something criminal, standing out of law, sometimes also standing against ruler. It is quite well known that some criminals (mostly murders of children or so) don't live long time because other criminals kill them (because murder of child is simply unacceptable also for t...
[Question] [ You can imagine doing surgery on the brains of insects or spiders to implant electronic devices and transmitters so that it becomes a drone and will transmit data. To gain intelligence on a target of interest one could release a large numbers of such spiders nearby and steer them to locations of interest...
[Question] [ **The Premise** Planet K is a lot like Earth in terms of size, atmosphere and land to water ratio, though the continent shapes and sizes may vary. There is one other major difference: the planet's oceans have boundaries. Real, waterfall-like boundaries. These boundaries are formed due to super wide and s...
[Question] [ Would it theoretically be possible for a solar eclipse to occur within a few days or even a few hours after a total lunar eclipse? The star, moon, and planet from which the event is being observed do not have to be within our solar system. [Answer] You need at least half a moon cycle between the two e...
[Question] [ Today I woke up, knowing I would be saved from the destruction of the planet. Instead I learned the exact date and time of my death. My name is Joe Average. The planet I live on is part of a binary pair, orbiting a reddish star. In one year and fifty-seven days a giant asteroid will pass by my planet, di...
[Question] [ So I’m trying to make an orbital city, kind of like the ISS, but on a much bigger scale. And against all logic and reason, I want there to be balconies. Like, where someone can just step outside, wearing normal street clothes, with nothing in between them and space, and not die. I’ve gone down the list o...
[Question] [ The follow up to this question: [What advice could a time traveller give for use of an atomic bomb to end WW2 while minimizing loss of life or later nuclear brinkmanship](https://worldbuilding.stackexchange.com/questions/32026/what-advice-could-a-time-traveller-give-for-use-of-an-atomic-bomb-to-end-ww2-w...
[Question] [ For my Thaumaturgic magic system I chose five elements 1. Fire (Heat). 2. Light. 3. Electricity. 4. Force. Which includes Alchemy, by using vibration to warp the structure of matter. 5. Entropy. Other abilities such as teleportation, and physical augmentation are all non-elemental. I chose the word entro...
[Question] [ Based on the answere here: [What would happen to Elysium after citizenship is given to all humans?](https://worldbuilding.stackexchange.com/questions/28613/what-would-happen-to-elysium-after-citizenship-is-given-to-all-humans) Dispatching medical drop-ships at the end of the movie, "Elysium" would do abs...
[Question] [ I've created a small planet, about 90% the size of Earth, which orbits a pair of twin dwarf stars and is Earth-like in many respects. This planet's atmosphere is highly electrified, with lightning storms occurring nearly every night. In fact, this planet's equivalent to plants use electricity to gain en...
[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. Lets...
[Question] [ It is the year 2037. Mankind has identified a rogue planet *en route* to knock Earth out of stable orbit with the sun, and into a less fitting orbit of 110 million km (40 million kilometers shy of its normal orbit). This planet is scheduled to come close enough to Earth in 2041 to throw it out of orbit, ...
[Question] [ I want to have a strict and complicated caste system in my future space society (on a planet or a large space station). What would be the reasons and how would the system develop? ## Possible reasons/processes of caste formation: * Military rank system; ranks will become hereditary. Civilians may become ...
[Question] [ What's the biggest building we could build on the world? * 90% of it must be air pockets that we can fit humans into * Going underground is allowed, but you can't allow your building to turn to liquid * It can not touch bodies of waters (weather excepting) * Resources are not a problem (nanites will buil...
[Question] [ Imagine an elephant with an extra large sized pair of ears. These magnificent creature, no bigger than a mouse, can flap their ears like a [hummingbird](https://en.wikipedia.org/wiki/Hummingbird) and fly in the sky. They have hollow bones, lots of muscles in each ear, and each ear is roughly twice their ...
[Question] [ Researching efficient methods of no-FTL methods often turns up engine solutions that are efficient in the sense that they have a higher specific impulse, but most such solutions seem to have a comparably low *acceleration*, which is well and all when it comes to travel but not necessarily for dodging stu...
[Question] [ In my story I have a two-sided battle. I want one of the sides to mess with the other by hacking their radio communication. How viable is it that one side could intercept and *importantly* block or scramble the communication so it doesn't get to it's intended recipient (in a coherent form)? What current ...
[Question] [ One night, we see a giant laser from outer space burn a message into the Moon (in some human language or another): > > Earth Creatures, you are hereby evicted from Earth. Take your belongings and leave in X days. You no longer own on any land on Earth. If you try to prevent us from repossessing it, you ...
[Question] [ In my world, Earth populated the Moon. Even if people are concealed in stations they got to go out from time to time (to explore or repair things that robot can't). My question is: Is it possible that the presence of human beings makes life blooming on the Moon outside of the stations? If yes to what wou...
[Question] [ I'm working on a universe which implies that humanity settled on the Moon. Knowing that we want to keep contact with the Earth (means we don't want to settle on the hidden face) and we want to avoid the facilities to be destroyed systematically by the asteroid falling on the moon, what place on the Moon ...
[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/19290/edit). Closed 6 years ago. [Improve this question]...
[Question] [ As far as I understand, when you fuse deuterium (H-2) and tritium (h-3), you get a helium atom and a spare neutron. Basically alpha-rays? Now alpha rays are easily blocked by matter. You can block alpha rays with just a sheet of paper. Does this mean that you can safely use a deuterium-tritium fusion eng...
[Question] [ Imagine a world where the Earth's rotational cycle is 20 hours. It has wreaked havoc on ecosystems that need sunlight. Although some plant life can adapt, others are endangered. Is there a way to slow down earth as to save our plant life and "ecosystems"? For example: Could we point all the rockets we h...
[Question] [ A certain imaginary stellar system had once a water world. But instead of evaporating away under the stellar wind, this lucky (or unlucky?) water world (made of only water and a gaseous atmosphere) interacted with a huge gas giant planet and got expelled from its parent stellar system. Now this planet fl...
[Question] [ I asked a question [here](https://worldbuilding.stackexchange.com/questions/13774/would-it-be-possible-for-a-city-floating-on-water-to-exist) about whether a city could exist out at sea. As a more specific question about what type of people would live and grow up in such a city, I have the following ques...
[Question] [ Probably because of the way airplanes work, it's often the case that magical flight in medieval times was faster than traveling by horse, making it incredibly useful as a form of transportation. Also, the use of a giant deadly animal to achieve such results (for example, a dragon) often has added benefit...
[Question] [ I need to create a race that should be utterly older than humanity (and as such, much more powerful). My idea is to have that race originate from a rock planemo - a rogue planet, orbiting the center of the galaxy without a star. The idea is that this planemo originated so long ago that the [cosmic backgr...
[Question] [ So throughout all, or almost all, editions of Dungeons and Dragons, there is a creature called the Displacer Beast whose primary ability is to make itself appear as if it were a few feet from where it actually is making it very difficult to hit. What I'd like to know is two-part: 1. Are there any real cr...
[Question] [ Based on my previous question over here, [which starts up and talks about a desert which is full of ore sand instead of normal sand.](https://worldbuilding.stackexchange.com/questions/10757/the-desert-of-ore-how-is-it-different-from-a-desert-of-sand) What would people need to be able to simply live in i...
[Question] [ For a long, long, long time I have had a concept of a world that exists on the inside of a hallowed-out sphere. The basic construction of the world is like this: It is a large world, at the center of which is a very small but self-sustained star. Surrounding this star is an array of gasses that comprise...
[Question] [ These are unused rails, left over from a collapse of civilization on another world. Assumptions: * the ties are impervious. In this regard, their science is greater than ours. * the rails run through a mountain pass that is indistinguishable from the US Rocky Mountains. * they have a solution for dealing...
[Question] [ I have an earth-like world orbiting an M7 red dwarf on the outer edge of the habitable zone(0.0443AU). Since red dwarfs emit more infrared light than visible light, solar panels would probably not be as efficient. Assuming that a civilisation around it builds a space station the size of the ISS, how much...
[Question] [ I am looking for a chemical reaction which can generate a lot of Gas in a short period of time, on the order of seconds, to build up pressure and allow a plant to propel a seed like projectile. The main limitation is that the reaction should be plausible from a natural evolution perspective. For instance...
[Question] [ I was wondering about the possibilities of communication between a stationary observer and a spaceship traveling at near light-speed(lets say 99.99%). If the observer can send out signals at a certain interval for the whole duration of the journey directed at the position of the spaceship, when would eac...
[Question] [ Some form of chemical reaction interacting with the digestive system for a start? [Answer] I suggest you read about [Spontaneous Human Combustion](https://en.wikipedia.org/wiki/Spontaneous_human_combustion). Lots of people have died in a fire without a proper explanation, leading many to conclude thos...
[Question] [ The "moving walkways" pass close to local solar systems fairly far from their suns. They are very small, and thus hard to detect. Each "walkway" consists of two columns: dust and debris moving at a significant portion of the speed of light, about 400m in diameter passing by our solar system on a useful t...
[Question] [ So basically in my world solar geoengineering has gotten to the point that (with added smog) it's basically impossible to grow crops like wheat or barley without artificial light. My question is: How dark would the sky have to be to stunt plants like wheat or barley? Would it basically be like a regular ...
[Question] [ Edited again! My character lives in a future where some folks have moved under the sea, and sea levels have risen. There are scenes where she comes up to the dry land, and I need to describe the city she goes to. We're in Florida - Palm Beach, after the seas have risen 3-4 feet. [This map](https://www.wp...
[Question] [ It’s the age of genetic engineering, and Scientists, in league with shady corporations, have created a group of human-animal hybrids, hereafter referred to as Metamorphs. Metamorphs are designed as slave labour; since they are nonhuman, human rights don’t apply to them. However, some buyers may wish ...
[Question] [ There's a nation with extreme fertility and population problems. Someone suggested the government could induce certain candidates to have a great number of children in a single pregnancy... at the cost of their lives, a bit like the Axlotl tanks of Dune. ## Fiction Premise This would be a secret program,...
[Question] [ ## The Backstory The ship in question is a massive matter-antimatter annihilation powered starship, built by an imperialist and tyrannical government with basically unlimited budget. ## The Ship The interstellar long-haul ship, is a matter-antimatter beam-core powered ship, burning diamagnetic anti-hydro...
[Question] [ I'm currently running a campaign set in a world where the calendar is based on two things. 1. The moon takes the entire year to cycle through its phases. So instead of full moon to full moon being a month, it takes 400 days. 2. The year ends on a solar eclipse that happens on the same day every year. The...
[Question] [ I have a setting that is pretty similar to Earth. The tech is at least around WW2 with some steampunk fantasy sprinkled here and there. A global war is about to break out. My civilizations need an agile aircraft that covers the 'fighter' niche. Unfortunately, they have no access to petroleum on this plan...
[Question] [ Years ago, computer rooms used Halon gas to extinguish fires in computer rooms by depriving the room swiftly of oxygen, killing the fire, but keeping expensive equipment safe (vs. sprinkler systems). Halon production was stopped in the 1990's because of its ozone-killing effect, but I think it had anothe...
[Question] [ One of the main species in my world has human level intelligence and works as a "pseudo-unified consciousness", in that the creatures are capable of intra-species telepathic communication, and are constantly sharing information with others within range (the process here is not the main interest, for all ...