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How would fantasy sea monsters fare, up against modern technology? [closed]

How would classical sea monsters, such as krakens, giant sea serpents, etc. fare against modern technology such as depth charges, naval ships, torpedoes, sonar, etc.? Assume the following: Humanity ...
Sam Coutteau's user avatar
3 votes
3 answers
248 views

Is there any way to save an inbred human population that also happens to be the last one left?

The world was destroyed temporarily, and almost everyone died. A few thousand people are all that's left of the human race, at least in that continent. Naturally, they did form a community and the ...
Thales's user avatar
  • 743
1 vote
1 answer
28 views

Atmospheric Improvement: Increased greenhouse gasses vs. increased pressure

In my scenario I am imagining a terraforming process, performed by a human-like civilization. The world that they chose to settle only receives roughly 20% of the sunlight compared to earth, due to it ...
Ben's user avatar
  • 199
8 votes
2 answers
1k views

Three kilometers (~2 miles high) tsunamis go around the Earth - what kinds of ruins are left?

I am (still) writing some fiction about the solar system being rearranged, with the Earth losing the Moon. But before she goes, I am having her do a close flyby. My story is actually happening ...
The Square-Cube Law's user avatar
5 votes
6 answers
423 views

Limited list of words for a text or glyph-based messaging system

I'm building a world for a Pathfinder (TTRPG) mystery/political campaign, where I have a city that is a trading hub for shipping. I'm toying with the idea of having a glyph-based messaging system - ...
WhatEvil's user avatar
  • 159
5 votes
6 answers
1k views

What's the fastest real-world travel time to the opposite side of the world? [closed]

Imagine you are the most important and powerful person on Earth. One day, you're giving a talk in Managua, Nicaragua, when something important suddenly happens on the opposite side of the planet: ...
Tom's user avatar
  • 15.4k
0 votes
5 answers
456 views

Could time (in the sense of a labor-hour) be a stable commodity base for a currency on the modern city-state level?

Commodity currencies were the standard for most of history. Coins were made out of precious metals like gold or silver. Later on paper currency was exchangeable for a certain amount of gold or silver ...
Rhymehouse's user avatar
  • 4,525
0 votes
2 answers
47 views

Day-to-Night observable Sky on a Orbital (non-Niven, small ring)

I'm assuming a lot of things here, but trying to visualize some characteristics regardless. What would the skyline look like? Day/night, seasonally, etc. I'm imagining a structure that is a ring, but ...
Thomas F. Webber's user avatar
7 votes
5 answers
3k views

Prince Rupert's Drop Armor: How Expensive?

I recently saw this short which showed that, if you melted the tail off of a Prince Rupert's Drop, the head would retain its characteristic toughness without the vulnerability of the tail. This got my ...
RHF's user avatar
  • 627
3 votes
1 answer
558 views

What color would the sky be in a multi-star system?

In this scenario, an Earthlike planet is situated in a quaternary solar system clumped into two binaries--a Parent, in which the planet orbits, and a Grandparent, in which the Parent binary orbits. ...
JohnWDailey's user avatar
  • 14.6k
10 votes
1 answer
630 views

Chemical Coin Flipping as Divination

Let me explain what the odd title means. In the I Ching, a book of ancient Chinese divination, there is a process of using 50 rods to produce what is essentially a binary outcome. The details aren't ...
A. Thomas Yerger's user avatar
-4 votes
4 answers
128 views

What conditions would allow this trojan horse be implemented on a universal scale?

A while ago, I posited this question "How to counteract a trojan horse when the horse is the anti-virus software?" It seems that real life has presented an answer. Major economic impact ...
Justin Thyme the Second's user avatar
2 votes
3 answers
157 views

Would a species with 3 sexes be more adept at warfare and hard labor compared to humans? [closed]

For my fantasy story, I was trying to conceive of a three-gendered species for more uniqueness. I finally thought up an idea that might make biological sense. For mammals, the male sex has the sperm ...
Rhymehouse's user avatar
  • 4,525
-1 votes
0 answers
52 views

What would sunsets look like around different star types? [migrated]

I have always wondered what a sunset would look like around different types of stars. I have tried to do some research into the types of light refraction, but I cannot find any answers anywhere, and ...
Rory 02's user avatar
  • 189
-1 votes
0 answers
73 views

Reasons/excuses to evolve and retain handlike manipulatory appendages [closed]

As you may know, humans' arms and hands are a direct callback to the times when our ancestors lived in more arboreal settings (monkey swing on tree type stuff)... we needed to be able to grip branches ...
Max Bird's user avatar
  • 517
8 votes
1 answer
648 views

The Lost Continents of Atlantis and Mu reappear: Disruption to Transport

In a single event, the lost continents of Atlantis and Mu arise from the deeps over the course of about half an hour, accompanied by a low-magnitude earthquake felt worldwide. For the purpose of this ...
Monty Wild's user avatar
  • 63.5k
5 votes
3 answers
235 views
+50

Is it possible for plant life to evolve (and adapt) on a low CO2 planet?

C4 photosynthesis, which can operate in Carbon Dioxide levels as low as 10ppm A question related to these two questions: Habitable inner planet with large oceans, fast rotation and earth-like ...
casualworldbuilder's user avatar
3 votes
2 answers
164 views

Could a wingsuit using fans be made with our current technology?

Like the MCU's Vulture, could we create a wingsuit utilizing bladed fans for flight? Elsewhere I've looked says it's a problem with the power source, but if that were taken care of, could the rest of ...
Geoffrey Williams's user avatar
1 vote
1 answer
100 views

How would I calculate the damage someone suffered from various strikes? [closed]

So, I’ve been developing a TTRPG and am wanting to present a realistic fantasy world. This doesn’t mean fantastic things wouldn’t happen - demigods can swing swords at the speed of light. But when ...
Oogabooga's user avatar
6 votes
3 answers
1k views

Would human-shaped sperm cells work?

After looking at videos of sperm cells, they reminded me of someone swimming. I've decided this was a neat idea for me to integrate in my worldbuilding. For lore reasons, I have a group of people with ...
Dmyt's user avatar
  • 807
8 votes
16 answers
2k views

What kind of pressures would make a culture force its members to always wear power armour

I'm writing a science-fantasy story where there is a culture that forces its members to constantly wear power armor in public. There are different types of armor depending on the specific job the ...
nadichamp's user avatar
  • 121
-2 votes
0 answers
72 views

How can a respiratory/vocalization system support both ingressive and egressive speech?

In the background information for the default setting of the Traveller RPG, the Aslan are a vaguely leonine/humanoid species whose language is specifically called out as having ingressive sounds (...
Jeff Zeitlin's user avatar
  • 1,424
2 votes
2 answers
113 views

Can mammal hypothetically evolve their own version of unidirectional breathing?

As the title suggests, can mammal evolve unidirectional breathing? Not the same as in birds but still qualifies as a unidirectional breathing. (I was trying to make a future mammalian species ...
Ŧor Desaċ's user avatar
6 votes
5 answers
2k views

Can I cause a star to go supernova by altering the four fundamental forces?

I have the Scientocratic Hivemind. It has the ability to create and envelop things in a magic field. Within this field, it can choose to strengthen or weaken the four fundamental forces governing the ...
Dmyt's user avatar
  • 807
1 vote
2 answers
127 views

How would a magic system allowing arbitrary organ transplants work?

Imagine a society with an otherwise Medieval level of technology. But this is a fantasy world, having magic. Specifically this magic enables advanced surgical procedures be done using otherwise ...
Galaxy's user avatar
  • 1,191
7 votes
10 answers
3k views

How could double damage be explained in-universe? [closed]

I'm creating a tabletop role-playing steampunk fantasy game. Within the game are elemental weapons and spells similar to the ones in Borderlands. One of the elements is Slag. An organism or structure ...
Rhymehouse's user avatar
  • 4,525
5 votes
6 answers
2k views

Natural mechanism behind burning oceans

I have an alternate Earth with no humans where massive patches of the oceans are supposed to be burning. The fires do not come from artificial or man-made causes. The flames themselves: have lasted ...
Dmyt's user avatar
  • 807
1 vote
2 answers
335 views

how fast can pain-killer and other drugs act in theory given human anatomy and otherwordly chemistry? [closed]

Imagine the classic role-playing game potion: a transparent vial with red liquid, except this one is injectable—you stab it into your chest for dramatic scenography. The chemistry inside the potion is ...
Reincarnated as a worldbuilder's user avatar
13 votes
23 answers
5k views

What goods yield the best profit for time-travel arbitrage?

You have a time machine... of sorts. It allows you to go into the past in an alternate universe. This universe started the same as ours, until visits from time travelers like yourself started making ...
Zags's user avatar
  • 2,981
1 vote
3 answers
402 views

How to Construct a Stellar Instar

In real science, an "instar" is simply a developmental stage between molts in arthropods. But in fictional science, it is an artificially constructed structure that is designed to function ...
JohnWDailey's user avatar
  • 14.6k
2 votes
3 answers
126 views

What would be the best material to make gauntlets out of? [closed]

If a character trained to fight like a boxer wanted to bring weighted gauntlets to combat in a fantasy setting what material would be the best to do so with? Something heavy to increase the mass on ...
NMCherry132's user avatar
1 vote
1 answer
98 views

Artificial Satellites Orbit Around a Cube with Uniform Surface Gravity

A cube-world with uniform surface gravity has been made using extremely strong materials of varying densities, and is orbiting a star, rotating on a axis between two corners (like spinning a d6). Due ...
DDriggs00's user avatar
  • 303
0 votes
4 answers
313 views

Are buildings out of salt feasible? [closed]

I understand that salt is very susceptible for erosion, but a castle made out of salt or maybe walls seems like an interesting idea. Is there any historical evidence of something like this happening? ...
Isaac Roland's user avatar
4 votes
8 answers
423 views

What evolutionary pressures would lead to massive differences in intelligence between the sexes?

I am writing an alternate history timeline about a habitable Venus. On Venus are two species very similar to humans. They are Machos and Divas; they live on opposite sides of the planet. Both Machos ...
Rhymehouse's user avatar
  • 4,525
3 votes
2 answers
143 views

What factors can I use determine if my runaway greenhouse planet will have a thick water vapour atmosphere?

A question related to this question When Earth’s oceans evaporate, one of two feedback situations could occur: The "moist greenhouse" where water vapour dominates the troposphere while ...
casualworldbuilder's user avatar
2 votes
5 answers
3k views

Solution for a modern nation that mustn't see themselves or their own reflection

I have the Propagation Hivemind, an all-female human hivemind(many minds aggregating to form one big mind) numbering in the hundreds of billions populating East Asia. Every member of the Hivemind ...
Dmyt's user avatar
  • 807
9 votes
16 answers
4k views

How could warfare be kept using pike and shot like tactics for 700 years?

In real life the pike and shot tactics were only dominant for 150-200 years or so before the pike largely disappeared and it become mostly just musket. However, could the era of pike and shot warfare ...
OT-64 SKOT's user avatar
  • 4,751
0 votes
0 answers
63 views

How will the monsoons work in this boomerang-shaped supercontinent?

Back and forth, I have created a fantasy supercontinent shaped in the likeness of an asymmetrical boomerang, with its elbow enlarged to resemble a fish’s head pointing westward, its lifting arm long ...
JohnWDailey's user avatar
  • 14.6k
-2 votes
2 answers
83 views

Leftover fallen world technologies [closed]

My fantasy novels are set in a world that reached WWI era technology in the distant past, but used magic in place of electricity and combustions. For complicated reasons, the magic stopped working, ...
Nathan Porrata's user avatar
0 votes
5 answers
291 views

How do I explain why my planet has only one continent? [closed]

My fictional world has only one continent. I don't know how to explain that fact. Is there a plausible science explanation for a planet to have only one continent?
Selena's user avatar
  • 19
7 votes
4 answers
2k views

How could breastfeeding/suckling work for a beaked animal?

I've started working casually on a project with psuedo-dinosaurian animals (not really related to earth life, but I'm using very tetrapodal body plans) and its come up that a claude of grazers would ...
Spacesaturnarts's user avatar
5 votes
4 answers
328 views

How could a feudal empire with a hive-minded species use this to maximize its power?

The empire is ruled by a single human-like emperor, with individual lords as vassals. The tech level is equivalent to medieval Europe. 40% of the population within the empire are humanoid individuals, ...
Ichthys King's user avatar
  • 16.2k
1 vote
2 answers
141 views

Advantages of centaurs in space [closed]

Based off of my previous question What animal would make the best centaur? What advantages could using ape centaurs in space have over humans or incredibly smart chimps? Some that I can think of are ...
Talbot's user avatar
  • 739
-2 votes
2 answers
91 views

Adaptations for Anthropophagy [closed]

Let's say there are quadrupedal mammals close to around 100kg that have adapted to live in a typical medieval city and feed on predominantly human beings. The city and the animals therein have existed ...
Ichthys King's user avatar
  • 16.2k
3 votes
3 answers
185 views

Point defense weapons on bio-mechanical spacecraft that part of von Neumann machine horde

I am currently working on a concept for a science fiction novel about interstellar warfare in the 24th century. I am wondering about the best point defense weapons for biomechanical space combat ships ...
Akifumi 121's user avatar
-1 votes
1 answer
107 views

How could small animals survive a decade in this world?

Short version: Living beings in this world take a decade to reach true diversity; how could the beings from rat to fox size live long enough for this? Is hibernation viable? Long version: In this ...
Phoenices's user avatar
  • 101
-1 votes
2 answers
99 views

What kind of tectonic boundary would result in this island shape?

Here I have constructed land mass via GPlates, and I am curious as to what kind of tectonic boundary would result in such a shape.
user avatar
3 votes
2 answers
140 views

climate on a hemispherical planet (a planet cut in half) [closed]

An earth-sized planet has been cut in half along a meridian by higher beings. The gravity is experienced the same as if the other half was still there. Let's say there's a big magic wall that prevents ...
user113185's user avatar
6 votes
10 answers
885 views

Ideas for an alternative to nuclear weapons as a deterrent? [duplicate]

I posted a question a couple days ago about the use of bio-weapons as an alternative to nuclear weapons as a deterrent for a D&D campaign I'm working on. I got some really good answers explaining ...
ChellCPlus's user avatar
7 votes
6 answers
1k views

Can my necromancer have this bridge built with those constraints?

Long story short I got a very powerful necromancer living on an island that is 33 kilometers from the nearest land mass. He wants to create a mega bridge to connect his island to the continent. The ...
Seallussus's user avatar
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