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2
votes
1answer
48 views

Can Someone Help Me Determine Plate Divisions?

I have a world designed called Ser. I want to place tectonic plates so that they can explain how the current landmasses formed. Below shows the 6 major continents of the world. As continents are ...
2
votes
2answers
82 views

Can Humanity Expand to the Oceans?

Consider a large landmass such as Australia. Imagine if they hypothetically wanted to expand their borders, but they already used up all of their landmass, including the deserts. Could humanity find ...
-3
votes
1answer
30 views

what's the name of a solar day on other planets?

people refer to a solar day on Mars as- "sol". are there any specific names for solar days on other planets, such as Jupiter or Venus for instance? or either "sol" is just a name for a solar day on a ...
0
votes
1answer
20 views

Northern Great Lakes in an Alternate Island Africa--Would the Sahara DESERT Still be Around?

Recently, I found this map of Africa's paleolakes in the Imaginary Maps reddit: Finding this map was mere coincidence, but this map definitely interests me. Now there have been multiple what-if, ...
2
votes
8answers
261 views

How can mana absorption by a warlock lead to less than 100% overall gain?

Johnann Gotticus is a warlock on a quest to create his own kingdom, whatever the cost. For this to work, he needs to seek power to destroy his enemies. There is a procedure that allows him to steal ...
0
votes
2answers
30 views

Is this a plausible way for an alien organism to unwittingly cause a mass apocalypse on Earth?

It's around the mid-2300s. Earth is, to put it simply, in trouble. Climate change has resulted in flooding of major coastal cities, displacing billions, which ultimately led to widespread conflict and ...
5
votes
6answers
304 views

How would you design and build an American Civil War Steam Gun?

I am writing a Steanpunk novel and am interested in having a "plausible" Union Steam Gun that would help turn the tide in an Alternate History American Civil War. The gun can be either a machine gun ...
0
votes
0answers
16 views

Event Singularity

If my main character had control of a device that harnessed a miniature singularity, could he use that singularity to travel rapidly between star systems? Could this create a wormhole?
17
votes
14answers
3k views

What kind of/How a secret language could be developed in middle ages by a secret society?

1350 AD. A secret society is recruiting adepts in Rome, Florence, Paris, Wien, Prague and London; well-educated people in high ranks of nobility, catholic church, engineers, professors and knights. ...
2
votes
1answer
61 views

Can planetary bodies have a second axis of rotation?

Is it possible for a planetary body to have a secondary axis of rotation? For example let's say there's an Earth-like body that is spinning with its North Pole facing the Sun. Imagine that the North ...
25
votes
7answers
3k views

What's the biggest medieval city I can make?

What's the biggest medieval city, in terms of population, that we can feasibly make? That is, take all factors that affect population, and tilt them all in favour of a large population, without ...
44
votes
11answers
9k views

How long will it take to discover they live on a moon and not on a planet?

In my alternate reality, Earth is not a planet. It is a moon and orbits a gas giant (however it has all of Earth's characteristics, it is also full of humans and life as we know it). This is the only ...
23
votes
19answers
9k views

How do rulers get rich from war?

For centuries, the rulers of the elven and human kingdoms have conspired to keep their peoples in a constant state of war with the sole purpose of making both of them extremely wealthy. Given, there ...
5
votes
3answers
532 views

Rare Earth Elements in the outer solar system

If a space station were to be built in the outer solar system, is there an asteroid beyond Jupiter with a ratio of rare earth elements high enough to make it worthwhile to mine for the rare earth ...
5
votes
6answers
134 views

Nanomachines *exists* Axolotl-levels of regeneration *exists* So how the hell can crippling injuries exist as well?

One of my Brainstormings (a mesh of interconected ideas that didn't solidify into a concrete story yet) had an interesting sideplot: One of the main characters, Cephit, is a young gold dragon with an ...
6
votes
2answers
220 views
+250

Anatomically Correct Modular Body Plan Animals

The fixedness of body plans varies widely across different types of Earthling organisms. At one extreme, you have things like tardigrades, for which every individual of any given species has exactly ...
9
votes
4answers
2k views

To what extent is it feasible for this race to be majority female?

In my world there is a race of humans who are disproportionately female. They are closely derived from and very similar to real-world humans, but are unable to interbreed with the other races as they ...
12
votes
5answers
1k views

How can faith be maintained in a world of living gods?

The demigods are immortal individuals that protect our reality from eldritch abominations, such as Cthulu, Niggurath, etc, on a plane that exists between our world and theirs. These battles against ...
3
votes
2answers
229 views

When is the earliest in Earth history when Grade 5 Titanium alloy could be made, assuming one knows the formula and has the feedstock?

Bob the time traveler has a problem. He went to 75,000,000 BC to get some dinosaur eggs (don't ask) and his time machine re-combobulator broke and a big chunk is missing. Fortunately he can still ...
1
vote
1answer
53 views

A desert planet with temperate polar regions could sustain how much plant-life? Any?

One proposed type of desert planet is one in which the equator and the "tropics" are harsh, hot deserts, but the polar regions are temperate, habitable, and lush with life. You can see an example of ...
3
votes
1answer
64 views

Tidally Locked Planet, Weather

If the polar cap of a tidally locked planet was all ocean, what weather patterns would emerge? The ocean couldn’t be half frozen/half boiling, right? I need a weather pattern so the planet isn’t just ...
2
votes
3answers
142 views

How can the body rejuvenate when the soul does not?

I am known as Malevolencia the good, a warm hearted witch on the path to domination. Souls are made up of condensed mana that is molded and shaped into a stable form, and held together by various ...
8
votes
11answers
5k views

Can one guy with a duplicator initiate a nuclear apocalypse?

The setting: Present day. The country is up to you. Whatever would be easiest. The guy: Highly skilled. Maybe ex-Marine? Special forces? You can have him be "top of his class" at just about ...
13
votes
4answers
3k views

Cemented carbide swords - worth it?

Nowadays heavy duty drilling and machining is often done with cutting tools fashioned from cemented carbides, which consist of a hard phase like Tungsten Carbide embedded in a "soft" metal like Cobalt....
6
votes
6answers
2k views

Lead Amalgam as a Material for a Sword

Edit: To clarify, the Title is simply the title, the actual question is stated below. It is a fantasy world where Magic has been fading away for a millennium and a half. Lead naturally disrupts magic,...
2
votes
3answers
153 views

Is there an element or compound that is highly reactive to any component of milk?

I like to take inspiration for new fantasy creatures from my dreams, so I get some weird ideas sometimes. Last night I found this species. If milk gets on their skin, the creature looks as if it were ...
3
votes
1answer
68 views

How to calculate medieval urbanisation

Pretty simple question, or I think so, anyway. I want to know how to determine a realistic ratio of people in my fantasy medieval province living in supercities, cities, towns, villages and farming ...
3
votes
2answers
107 views

What would the temperatures on a terraformed moon be like?

In the far future the moon is terraformed and maintains earth-like conditions for people to walk around freely. Gravity is a 6th of earth's. We assume the atmosphere is "well-functioning for human ...
6
votes
4answers
2k views

Plausibility and performance of a composite longbow

English Longbows were typically selfbows made of yew, and were pretty effective at what they did, however, I’ve heard before that while composite bows, like the Mongolian, could have less raw power, ...
3
votes
5answers
118 views

A Mecha, made out synthetic muscles, and advanced materials

I have been thinking about this for an unhealthy amount of time, truth be told. Simply put, a 4 meter, eight meter if stretching the limit, tall mecha, made out of carbon based synthetic muscles, ...
2
votes
3answers
204 views

The Earth-like world's been shrouded by darkness. For how long would the civilization be able survive?

In this setting, the Continent has been hit by several catastrophes, caused by the inner workings of planet's tectonics, and the eruption of a volcano far on the other side of the world. Gravest of ...
-7
votes
0answers
82 views

A complicated question [on hold]

I'm not into seduction or deception. So i'll say it outright, this isn't for a book or movie. This is our world story. I shouldn't need too much explanatory detail. What would happen to our world if ...
17
votes
6answers
5k views

What is the maximum viable speed for a projectile within earth's atmosphere?

Assume a projectile, made of a very heat-resistant and durable material (something like tungsten), formed like a modern saboted tank cannon shot. If tungsten, like suggested, is not ideal, you can ...
4
votes
3answers
105 views

A moon that becomes or appears blue from the surface of its host planet once every ten years on the same date?

This is really just a curiosity question: I wrote a fantasy novel in which the moon appears blue once every ten years on roughly the same date without fail. If anyone asked me why the moon of my world ...
31
votes
4answers
7k views

Is there a standard terminology for female equivalents of terms such as 'Kingdom' and if so, what are the most common terms?

I'm writing a political system where women hold a higher rank in society than men. Almost immediately, I ran into an issue with the naming of locations. Now, if a land ruled by a king is a kingdom, ...
2
votes
1answer
93 views

How big would an asteroid have to be to destroy 99.9% of the human population? How would the remaining survive? [on hold]

Let's say that a mega-asteroid is heading towards Earth. I want it to destroy essentially the entire population except maybe a few million people around the world. Now, I know that for an asteroid of ...
4
votes
2answers
122 views

Nuclear Cannon: Viable Alternative to Coil / Railguns?

In one of my previous questions, I asked about the viability of creating a coilgun for use on a sci-fi warship which would be capable of accelerating a 1000kg projectile to a velocity of 30 km/s or ...
3
votes
3answers
113 views

What would happen if many asteroids with a combined mass equal to ten times that of Jupiter were dumped into the Solar System? [on hold]

One day, numerous asteroids inexplicably appear out of nowhere in the Solar System, distributed evenly in a ring between Earth and Mars. The asteroids are a mix of primarily carbonaceous, stony, and ...
2
votes
3answers
124 views

Would an exoplanet highly rich in Iron (and other metallic properties) have any effects on technology?

Im working on a story about a new exoplanet discovery and its subsequent "Near Future" colonization. The planet is close to its parent star. As such, I have decided to give it a sizeable molten iron ...
0
votes
0answers
47 views

How can an urban fantasy hospital work? [on hold]

Should there be doctors and nurses of different races? (i.e. orcs, goblins, elves, dwarf/gnomes, trolls, fairies, ogres, centaurs, naga, lamia, satyrs, furries, etc.) Should magic be involved? Which ...
3
votes
1answer
143 views

Could Humans Evolve to be Digitigrade?

Assuming humans remained hunter-gatherers, would it be anatomically possible for us to evolve digitigrade legs? Or, is our anatomy too specialized and are we stuck the way we are? I am not asking ...
30
votes
13answers
9k views

Is there any real potential advantage to having two hearts?

One common way sci-fi writers try to make their aliens seem more 'alien' is to give them an extra heart. This has been done for example in Babylon 5, Dr. Who and Alien Nation among others. But: ...
3
votes
4answers
367 views

We Have Successfully Established Plants and Insects on Mars. How Long Will It Take Them to Colonize the Entire Planet?

In my last question, I have asked on how, once Mars has been terraformed, Terran species of plants and the insects on which the majority of them rely on would adapt to Mars's longer year. By far, the ...
16
votes
7answers
4k views

How to make classical firearms effective on space habitats despite the coriolis effect?

The direction of the force will always be perpendicular to velocity and pointing to the opposite side of the rotation direction. In plain terms, any object traveling in the rotation plane: up (toward ...
4
votes
3answers
150 views

How much damage could a complete loss of technology cause?

I'm working on an idea for a story. It takes place in the somewhat distant future, say 200-300 years. Some time between now and then, an event occurs which causes all computers to simultaneously fail. ...
2
votes
2answers
106 views

Is it be possible for creatures to make use of other metals, besides or in conjunction with calcium or chitin, as part their endo or exo-skeleton?

Hypothetically there is a large-ish planet, which is extremely dense due to its high metal content. This planet has relatively high gravity as a result. The fauna and flora have adapted to the high ...
22
votes
15answers
6k views

What organs or modifications would be needed for a life biological creature not to require sleep?

I mean literally not sleeping for the rest of their life, not like giraffes that only require short rests, or dolphins that can sleep with half of their brain at a time, or like otters and sharks that ...
24
votes
4answers
4k views

What minimal radius is needed for rotation to simulate gravitation without adverse effects on humans?

A quite common idea to provide "gravitation" in space stations is to make them rotate, so the centrifugal force gives an effective gravitation. A possible design is a ring-shaped space station. Now ...
7
votes
9answers
428 views

How to make nukes useless?

I am currently trying to write a story about a World War 3, but the major issue I am having is the presence of nuclear weapons. I want the war to constantly escalate to a point where it becomes a ...
54
votes
8answers
6k views

Building a bridge to the stars

Could I, purely in quantity of material only, build a solid bridge to a star? Ignore anything like strength, relative motions of systems, that is all taken care of, using lalalaicanthearyouium - this ...

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