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Questions tagged [internal-consistency]

For questions that ask if a given concept is consistent, or being used consistently, in the context of the referenced world rules. Answers should say yes or no, with supporting info. This tag should not be used with the science-based, hard-science, or science-fiction tags. Comparisons to the real world should use the science-based tag. This tag may not be used alone. This tag may not be used with the science-fiction, science-based, or hard-science tags.

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21 votes
16 answers
5k views

Does it make sense for giants to use clubs or swords when fighting non-giants?

Many settings feature creatures of vastly different heights; for the purposes of this question let 'giants' mean any humanoid creature that is significantly larger than a regular human. Let's say 'at ...
gaazkam's user avatar
  • 2,353
0 votes
4 answers
114 views

Given the following planetary conditions, what would be the exact length of a year?

List of conditions: it's an earth-size planet it's located in a binary star system, where both suns have the same size and mass the summed up mass of both suns is equivalent to that of our sun yes, ...
L. A Knight's user avatar
14 votes
6 answers
3k views

Is Tasting and Smelling Bad A Viable Way of Not Getting Eaten? [closed]

Would it be possible for humans to use some combination of soap, lotion, perfume/cologne, etc to deter most predators from eating you by virtue of your smell and taste? After all plenty of other ...
Vakus Drake's user avatar
  • 2,803
14 votes
7 answers
2k views

designing an elven magic system that blends with a WW1-esque world [closed]

I'm having issues designing a balanced magic system. let me elaborate. a handful of nations have allied against a big empire, and the fighting has regressed into trench warfare. Tech level is early ...
alkahest's user avatar
  • 1,397
-1 votes
1 answer
150 views

Would it make sense for an entity who can control tangible and/or intangible matterials be able to manipulate electricity but not light [closed]

I have this idea about people with "Psionic" power. Psionics are primarily beings able to emit-, and/or manipulate a special energy field from within that takes physical form. They can ...
Melchizadek's user avatar
5 votes
4 answers
498 views

Legitimacy of an army of neotenous amphibians

In my world, there exists a race of amphibians we'll call "phrogs". Phrogs were a relatively peaceful race, who evolved a kind of telepathy to allow them to communicate underwater, which got ...
iolim5678's user avatar
  • 175
1 vote
5 answers
582 views

Could a small (15km radius) planet (disregarding physics) have enough material for intelligient life to build on?

The planet's radius is 15km and has a similar density and gravity to Earth. For this question, most laws of our universe do not apply, meaning this is possible without any serious consequences. Could ...
value1's user avatar
  • 146
9 votes
7 answers
1k views

Advice on designing an inconsistent magic system [closed]

I'm working on a story (see here) where the way magic works is ... difficult, to say the least. Most magic occurs naturally, either through ley lines (naturally occuring lines of magical energy that ...
Talbot's user avatar
  • 591
0 votes
6 answers
690 views

Why would two neighboring kingdoms fight over an island? [closed]

This story is set in a medieval-esque world, on a continent roughly the size of Australia that is separated into six different kingdoms/territories. Each territory is its own sovereign country and has ...
bruithel's user avatar
  • 351
3 votes
1 answer
119 views

Fish Tank For Merfolk [closed]

I haven't seen any questions like these, but please do tell me if it is a duplicate. What I need to know is: How large would a tank need to be for a merperson -maximum length around 9 feet long from ...
Talbot's user avatar
  • 591
4 votes
0 answers
63 views

Sun-like star system with less water close to the frost line

Normally in sun-like planetary systems, there are small rocky planets around the habitable zone or closer and gas giants beyond the frost line. Typically these gas giants later migrate inwards due to ...
Ben's user avatar
  • 113
0 votes
1 answer
136 views

Plausibility of humans turning into mythical creatures at random

TL;DR-Lore below If humans have a gene that turns some of them into mythical creatures, how would I justify all humans having it and the transformations only starting in the late 1900s rather than ...
Talbot's user avatar
  • 591
19 votes
2 answers
1k views

What would mice use as raw materials for clothing?

This is my first question and I hope I didn't go beyond the scope of this forum. I am working on an amateur tabletop role-playing game, and I'm wondering how to make clothing & architecture feel ...
Flocon's user avatar
  • 243
4 votes
1 answer
299 views

What would the climates/biomes on my fantasy continent be?

I've roughly marked out where I think a desert might naturally form according to the mountains, and plotted the rivers in a way that I think makes sense, but what other climates might I expect on this ...
bruithel's user avatar
  • 351
2 votes
1 answer
108 views

Life in the core of a rocky planet

Background First of all, I’d like to state that I know the entire premise of this question is hypothetical and the life probably quite unlikely to form in the first place at best. Despite that, I’d ...
Neil Iyer's user avatar
  • 1,544
2 votes
1 answer
184 views

Is my climate map plausible?

I've created an Earthlike planet and spent a lot of time trying to get the climate right. I have included a map of elevation and currents. Are these climates possible, given their surrounding factors? ...
www's user avatar
  • 1,339
6 votes
3 answers
2k views

How could a hyperspace "ocean" work?

I've been working on a mostly hard sci-fi setting where there exists an extradimensional hyperspace that allows for superluminal travel and time travel called Deepspace or Darkspace, which has a very ...
LordMalecith's user avatar
1 vote
2 answers
147 views

How do camouflage plates know what color to change to?

How could organic adaptive camouflage be implemented into materials implementable by humans? I have already developed a general system: the system is made of small plates that form larger plates. each ...
alkahest's user avatar
  • 1,397
13 votes
16 answers
3k views

Why are scout bots only used for reconnaissance?

Why would scout robots be used for recon only, not general combat? I have a situation in which scout robots akin to mars rovers are used for military applications by forces residing on a foreign ...
alkahest's user avatar
  • 1,397
1 vote
5 answers
163 views

How much of a small, isolated, civilization's culture would survive a magical cataclysm? [closed]

I'm starting with some background so the question can be answered in-context. Apologies if I veer into too much storytelling. Pre-Cataclysm Setting: A fantasy civilization, essentially only humans, in ...
Looksy's user avatar
  • 31
8 votes
6 answers
748 views

How does "innate magical power" fit into a magic system powered by emotion and memory?

In the magic system I've been workshopping, magic is powered by the caster's emotions and memories. Specifically, mages can shape spells by creating associations to their own memories, and strengthen ...
Q_C's user avatar
  • 191
8 votes
4 answers
2k views

How to recreate a "land" harp that can work in the deep sea?

Once again, I am asking questions based on my as of yet defined highly-evolved, human-derived "merfolk". But this time, I'm going towards deeper waters-- let's say about 5000 meters below ...
Thunderhammer's user avatar
-2 votes
2 answers
247 views

Medieval Europe without animals [closed]

I'm working on a setting that in some ways looks like medieval Europe without domestic, or in general agriculturally significant, animals, and I'm trying to figure out what the implications would be. ...
rwallace's user avatar
  • 4,906
1 vote
0 answers
221 views

Non absurd way to lay a cable over light years of distance [closed]

This isn't entirely hard science but bear with me. (Prologue) In the near future, a series of increasing heavy elements are synthesized building on the theory of islands of stability, incredibly ...
MegatheriumMegafauna's user avatar
32 votes
23 answers
8k views

Why would cyborgs, assuming they are rare, be found in the lower classes rather than the elite?

In my world, advanced technological body modification exists. Those with any sort of modifications are rare, and those with extensive modifications are even rarer. These rare and uncommon cyborgs are ...
Clock World's user avatar
2 votes
4 answers
495 views

How to make electro kinetic immune to electricity

In my hard science world there is a character that can output electrons around 30000 volts and around 50,000 amps.The problem is that they would instantly die every time they use their ability. So I ...
I like lightning 's user avatar
3 votes
1 answer
182 views

Continent Formation and Volcanos

For over a year I've been writing about a fictional race of people that has taken on rather a life of its own. They live on an earth like world with similar geological processes to our own but I don't ...
Trotskisaurus's user avatar
0 votes
1 answer
308 views

Is a species that mates by "tribadism" possible?

In real life, there are planarians that are hermaphroditic, which means that they produce both eggs and sperm, however, they have penises and scrotum without clitorises and vaginas. They sexually ...
mammifereviolet4694's user avatar
4 votes
3 answers
250 views

How can I incorporate both the metaphysics of the story and magic into a system without compromising one or the other? [closed]

I'll try my best to make this not so nonsensically long and give you the basics with brevity. I'll be summarizing ALOT. In the beginning was an entity known as the Eternal Sovereign, a being whose ...
AmericanSon's user avatar
2 votes
2 answers
271 views

What potentially breathable gas behaves the most like a liquid?

So I've already found that Neon seems to be the highest viscosity gas, at least that I can find. However, I don't feel like simply adding a lot of Neon to the atmosphere of my fictional planet of ...
Laz's user avatar
  • 21
4 votes
2 answers
242 views

Practicality of engine-mediated magic

In another universe in which humans may exist but did not evolve, the laws of physics allow phenomena that we in this universe would call magical, where matter and energy may be moved, transformed and ...
Monty Wild's user avatar
  • 61.9k
2 votes
1 answer
136 views

Plausibility, habitability and conditions of shell-system

I have some questions regarding the feasibility of this planetary shell-based construction. I have read other questions about shell worlds, but this case has some unique elements, so I thought I would ...
Three Shells's user avatar
1 vote
5 answers
423 views

Sustaining linear warfare in futuristic combat [closed]

In my sci-fi setting, I’m looking for a way to have linear infantry formations, or something similar, in a world where airplanes and machine-guns also exist. It is made possible by the existence of ...
PetAmerican's user avatar
11 votes
15 answers
5k views

How can kaiju exist in nature and not significantly alter civilization?

I'm building a world where kaiju-sized creatures exist alongside regular-sized creatures. How these kaiju don't crumble under their own weight doesn't matter, and can be explained away by them being ...
M Arif Rahman Winandar's user avatar
3 votes
4 answers
196 views

Covert conflict between different organizations and paranormal groups [closed]

I was recently thinking of creating a reality very similar to the real world but which is under a supernatural "cold war", where scientists, researchers, wizards, techno-wizards, witches, ...
BlankFrame's user avatar
7 votes
2 answers
380 views

The two societies of Hell - are they reasonable?

Once, thousands of years ago, there was a land called Dhelō. It was a bright, green, fertile land with rivers, lakes, plains, forests and farms. There was a great calamity, and the world broke into ...
Monty Wild's user avatar
  • 61.9k
2 votes
2 answers
260 views

What medical problems would doctors in a far future setting, plausibly have trouble dealing with?

This is based on another thread in regards to how you can avoid having sci fi technology be a deus ex machina. So when it comes to writing inorganic technology, IE spaceships and laser guns, the laws ...
Demiurge777's user avatar
6 votes
4 answers
972 views

How Would a Spacefaring Civilization Using No Electricity Communicate?

I'm working on a civilization who was born out of a century-long interstellar war with an AI. So they had previously developed electrical and digital technology but now they're avoiding using any of ...
parkinglot's user avatar
6 votes
6 answers
3k views

How can a Leader Remain in Power, Despite being Excessively Cruel and Murderous Towards the Subordinates?

Question inspired by Batman: Arkham games - although this trope is definitely not limited to this series, it is very widely (ab)used in various media. In Batman: Arkham, various mob leaders are ...
gaazkam's user avatar
  • 2,353
7 votes
9 answers
4k views

Is it believable to store information in live DNA for billion years?

Imagine a civilization that approaches Kardashev II. They are deep into spacefaring, they live on a few less than one-hundred colonized worlds. They've not found evidence of other sapient life, so ...
FrogOfJuly's user avatar
  • 1,138
5 votes
14 answers
2k views

Would the presence of superhumans necessarily lead to giving them authority?

We all know the cliche from numerous comics, cartoons, anime shows, video games, etc: some members of the society are vastly more powerful than others. (These are called 'superheroes', 'wizards', '...
gaazkam's user avatar
  • 2,353
2 votes
10 answers
2k views

Is it possible for rockets to exist in a world that is only in the early stages of developing jet aircraft?

More specifically, is it possible for rocket engines comparable to those of the mid 1960s to exist in a world where in atmosphere jet engines are only in their early stages of development? This world ...
OT-64 SKOT's user avatar
  • 4,596
14 votes
17 answers
3k views

Rationale for sending manned mission to another star?

In the near future an ancient, derelict spacecraft or space station has been discovered orbiting Barnard's Star, 6 light years from Earth. Why would Earth send a manned mission to Barnard's Star to ...
RobertF's user avatar
  • 399
3 votes
5 answers
2k views

Building a settlement in a place in temporal stasis. What problems the settlers would face?

In my low-fantasy world there is a place where the environment has been frozen by magic in some kind of temporal stasis. It's an antarctic type of environment, with mountains and huge ice sheets: ...
Soel's user avatar
  • 909
7 votes
11 answers
2k views

Is there a way to use language to hijack a persons reality, that wouldnt cause a [syntax error] in reality itself?

Joe has a special ability where everyone always believes whatever he says. For example, if Joe says "the sky is black" then everyone believes that the sky is black. If Joe says "1+1=3&...
user avatar
-2 votes
2 answers
284 views

How could the ability to produce a negative electric charge without a corresponding positive charge be used to power a basic portable circuit?

Relevant Information My magic system consists of a fluid (called aura) emitted from the body whose position can be telekinetically controlled (manipulation), whose physical properties can be altered (...
M S's user avatar
  • 2,346
21 votes
16 answers
5k views

How would a civilization of techno-barbarians maintain their space ships?

Recently I've gotten interested in the planetary romance genre and the idea of a sword, sorcery and spaceships genre. So here's the dynamic is basically something like this. There is a star system ...
AllSeeingEye33's user avatar
0 votes
4 answers
253 views

Would it make more sense to terraform a planet with a single climate or multiple varieties of climate?

A human civilization in my story has terraformed hundreds, possibly thousands of planets across their galaxy to support life. They have done this by changing the atmospheres, adding minerals into the ...
Kal Madda's user avatar
  • 1,851
15 votes
18 answers
4k views

What makes my planetary shields more practical on the surface of planets than in space?

First off habitable planets play a major role in this setting. Furthermore this is a setting whose elements somewhat require that the surface of planets are not soft targets. In particular planets are ...
AllSeeingEye33's user avatar
5 votes
7 answers
1k views

Have I missed any obvious applications of my portal superpower?

One of the superpowers in my world is the ability to mentally manipulate portals. These portals are incorporeal, massless, 2-dimensional circles that connect points in space (akin to portals from the ...
M S's user avatar
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