Questions tagged [alternate-worlds]

For questions about worlds other than Earth that are significantly different. This could be a water, ice, barren or other planet. For questions about planets similar to Earth with specific differences use the *earth-like* tag.

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54 views

The Serina Series: Episode I: Cats

"Serina" is a popular speculative evolution project in which, apart from a long list of fish, invertebrates and plants, the only terrestrial chordate to colonize this terraformed moon is the canary. ...
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0answers
30 views

Any advice on world building when magic world is separate from modern world? Maybe questions I should ask myself? [closed]

Like with Narnia being through a closet and the situation with Hogwart. Mine is basically a hidden magical country (I might make it a world). I intend for some events to take place in the normal world....
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1answer
72 views

What would allow a human being to create a rift in space-time and access parallel universes? [closed]

I'm creating a story where there are individuals that can travel to parallel/alternate earths. Obviously this is all fantasy but hypothetically speaking, how would you ground this is in some related ...
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1answer
113 views

What would the job market look like if half the population suddenly disappeared? [closed]

Half of all humans on planet earth one day suddenly disappear, leaving no trace. My question is, how would this affect the job market? First I assume there would be a lot of grieving over lost loved ...
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3answers
125 views

How could human-like aliens survive on Pluto?

I apologize if I continuously ask different questions about different concepts for stories. It’s just that I can never make up my mind on what to write, and sometimes, my ideas change. But anyway, I’...
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1answer
92 views

How extreme can a habitable tidaly locked world be?

I want to create a tidally locked world with a habitable (broadly Earth like atmosphere and biome that humans could breathe and live in) band stretching around the terminator pole to pole. There would ...
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0answers
47 views

Communication Across Planes of Existence [closed]

In a system where there are multiple planes of existence (the center one being ours), I want my human (mostly - not important for this though) main characters to interact with forces from the other ...
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1answer
71 views

What would prevent multiple Trojan horses from materializing in the same space?

This is a follow up question to this: What would make purity a necessity for an Eldritch being? The barrier separating our realm fro the outer realm is designed to detect and prevent it from foreign ...
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19answers
5k views

What sort of world would help prevent an intelligent species from discovering evolution?

I’m working on a first contact story set in the near future where an advanced alien species arrives at Earth and reveals itself to humanity, but is utterly baffled by the diversity of life that it ...
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1answer
103 views

What are possible energy carriers besides ATP?

I'm thinking about designing an alien race. The race is carbon-based and evolved on a world with an average surface temperature between 40 and 60 degrees Celsius. Now, on Earth, almost all lifeforms ...
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2answers
154 views

Life without a bright star?

The main source of free energy that allowed life on Earth to develop was our sun. It bombards the planet’s surface with photons of high energy, which provide activation energy for reactions necessary ...
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3answers
145 views

What strategies would be used in the hypothetical siege and defense of a city between two modern superpowers? [closed]

I've recently been listening to Dan Carlin's Hardcore History. A topic that comes up early on is the extreme changes that War itself went through between the 19th and 20th centuries. The ...
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2answers
163 views

How would humans live in a world made primarily of glass?

Setup: Earth developed in an alternate universe with small oceans and little water. A little before animals first left the oceans and began to walk on land, when all of Earth's land was barren sand, ...
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3answers
113 views

Could a stone age civilization independently figure out about quantum mechanics [closed]

I was thinking of a stone age civilization that figures out how to use Quantum Mechanics. This civilization figures out some of the equations that describe Quantum Mechanics, and comes up with first ...
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6answers
3k views

Can you train primates to perform every day jobs that humans perform today?

I want to know how / if we could train monkeys to do a variety of human tasks. Is it possible to teach monkeys human trades and set them free throughout major cities to do jobs and interact with ...
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4answers
129 views

How can a god that loses its memories in becoming mortal, regain them?

God looked down at his creation, humanity, and was disgusted with what it saw. The race had become so entrenched in hypocrisy and sin that it considered destroying it. However, evil abominations from ...
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2answers
112 views

How will forced memory loss work?

So I'm writing a gag comic about a superhero blessed with a plethora of abilities collectively called "Omnipotence" but with it comes two catches. Everything that is directly or indirectly affected ...
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2answers
144 views

What is a good name from mythology for a group of humans who cannot feel pain or emotion? [closed]

I've got a situation where I need a name for a group of humans who cannot feel any pain or emotion (Kinda like CIPA, but without emotion as well). These have been stripped off them by a supernatural ...
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2answers
128 views

Could the earliest life on Earth have traveled through a wormhole billions of years ago into an alternate dimension and evolved independently? [closed]

So it's fairly common knowledge that the first signs of life on Earth were in the Archean eon, when the crust started to cool and continents started to form. Life arose around 3.7ish billion years ago,...
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8answers
3k views

Do I have to rename all creatures in a new world? [closed]

I'm building a whole new world for a table top RPG so I don't want to completely alienate my players from the world. But if I want to include horses or whales, do I need to reinvent the wheel and make ...
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10answers
3k views

Planet with a surface area that’s 90% water or more?

I’m thinking that there will be one small continent, about half the size of Australia or a bit larger. The single, massive ocean is inhabited by an aquatic humanoid species (yes, think mer-people) ...
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1answer
77 views

Post-apocalyptic war between two empires isolated for 2 centuries with a vast ocean.How would it play out? [closed]

In fictional world, a nuclear apocalypse has destroyed old nations and ravaged civilization. Refugees (and colonial settlers from before) from the mainland fled to unaffected Africa and North America/...
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2answers
196 views

Possibile explanation for a [somewhat] realistic floating continent scenario?

I'm writing a story that takes place in a world where people live on continent-sized chunks of earth (basically the size of tectonic plates) suspended in the air, left over from some cataclysmic event....
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2answers
229 views

Could sound be recorded by door panels and later replayed?

In my novel, a character makes the claim that sound can be recorded by the panels in a door. The door panel vibrates with sound, according to him, and those vibrations are recorded analogically, very ...
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1answer
106 views

Creating Border in Box-like World [closed]

I'm creating a world in outer space. The people live in a box-like structure because outside the planet is uninhabitable. In this box, the houses are built in rows of two or three with 5 columns, in a ...
11
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1answer
366 views

Defining a superfluid ocean

I'm working on a world where water acts as a high-temperature superfluid. Specifically, H2O's lambda point is above its boiling point. Thus, all liquid water on the planet behaves as a superfluid. It ...
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2answers
165 views

How do I convince the general population using large monsters is the most efficient means of protecting our compact cities?

Context Monsters are a bit of a problem on this world. Though most pose a marginal threat and are categorized as vermin, others represent a serious risk to major population centers as a consequence ...
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1answer
257 views

How can my story take place on earth without refering to our existing cities and countries [closed]

My story shall take place on Earth with the human race as the dominant species. I imagine the technological and scientific progress to be 10 to 20 years in the future from now (our current real life ...
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2answers
331 views

What levels of Argon and Neon (along with other factors) are needed to make the entire sky orange and sustainable for life?

I've read several sites and even questions on here where the sky would appear almost white or light blue if it orbited an orange dwarf star. However, that is if the planet has the same atmosphere as ...
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6answers
199 views

Life on land, sea, and what else? [closed]

On earth there are two main media that support complex animal life. One is the sea, with creatures living both on the seabed and the water; Another is the land, with animals that live both on it and ...
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4answers
265 views

What modern things that are cheap can be good to sell in a fantasy medieval world at high price [closed]

I have my protagonist go to a fantasy world that is locked in their medieval era like late 1300 early 1400. My protagonist need money to travel, so what kind of modern invention, a material that is ...
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4answers
244 views

Can pirates still exist and be cool in a near future? [closed]

I am writing a novel. It's 2050 and there are pirates who use technology integrated in their boat. They need internet in order to do it. This technology can do things like avoiding storms or hack ...
4
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1answer
138 views

Need some help in creating silicon life in cold temperatures

I am a new person to this but I have been looking at similar questions about silicon life. I'm currently trying to create silicon-based lifeforms on a planet with a surface temperature of about, -36....
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0answers
117 views

How would an “minecraft-like” dimension behave? [closed]

The "dimension" I'm building, consists of earth-like plane that stretches on to infinity. It's a soft sci-fi universe and this dimension is man-made. The land has infinite mass, I don't know what ...
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5answers
277 views

In a world without software how would Hacking work?

A definition of computer hacking. Computer hacking refers to the practice of modifying or altering computer software and hardware to accomplish a goal that is considered to be outside of the ...
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0answers
97 views

How would a world where electronics are organically based differ from ours? [closed]

I'm building a Retrofuture space fantasy setting. Some relevant information on that can be found here... One of the core aspects to me of the retro sci-fi aesthetic is its hardware focused nature. I ...
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6answers
1k views

If curse and magic is two sides of the same coin, why the former is forbidden? [closed]

A gun can bring destruction but at the same time save lives, both curse and magic belongs to different system and operates independently. Curse requires strong feeling such as suffering pain while ...
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6answers
237 views

Areas with high energy on an Earthlike world

In an earth-like world, what can I provide as examples of areas where high energy is generated naturally? I'm looking for sources of energy other than heat, for e.g, volcanoes and geothermic vents.
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4answers
397 views

Designing the most boring planet ever discovered. Part 1: planetary surface

@Gryphon has made me aware of this The Least Interesting Substance It is very close but I need a planet that can form naturally. Would any of the substances mentioned in answers to that question be ...
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2answers
225 views

Properties of a planet roughly four times as big as Earth

I have some research I want to do about a planet for a novel I'm writing. It is a fiction/science fiction novel, but I do wish to actually have some parts of the world correct in the scenes I depict. ...
10
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1answer
260 views

Could the equator of a world be a closed-time like loop?

Most works of fiction have quite imaginative views of time travel. Mighty machines that teleport in time instead of space. Gaping portals in space that take you to another time. Mystical beings with a ...
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1answer
298 views

In a world with 12 moons but NO sun, how to define a day? [closed]

I made the map of my fantasy world before thinking about the physics, as you can see bellow the art! I'm interested to understand how to decide which moon is in the sky at a given moment, if it's ...
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1answer
236 views

Electric muscles

There is a popular belief that the muscles of our body are controlled only by electrical impulses. This is not entirely a lie, but ... From what little I have researched, the nerves send a command for ...
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7answers
1k views

The Dark is strong in the light! Why?

Last time we left off with The Dark Lord lording over their darkness in the Dark World. But the Dark Lord wants to take over our world too. Not only that but when he enters our world he gains Super-...
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6answers
451 views

After evacuation to a new planet, how would a population switch from a barter system to a monetary system with banks?

Okay, context. There's a modern human sub-species (about 9,000) that needs to evacuate earth to avoid genocide from their human counter-parts. They have access to a portal to take them to a new viable ...
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5answers
520 views

Will a country ruled and dominated by women work?

I'm writing a fantasy comic, and in my comics, I plan to introduce a country/nation/race, where women dominate everything. Men from this race/nation are submissive to the women. Women have all the ...
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3answers
191 views

Is it possible for two dimensions to exist on one planet? [closed]

I'm writing a fantasy comics and I am stuck on a particular idea. Imagine if Hell existed on our planet. Like hell is here, we simply cannot see it, because there is an invisible barrier between the ...
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5answers
1k views

Why would anyone follow a buffoon king? [closed]

I'm constructing this scenario where a country is in a large, long, terrible civil war. The war ranges from ultra nationalists to Socialists, liberals to conservatives, everyone at the throat of each ...
6
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2answers
262 views

How long would a flat Earth last?

As we all know the Earth is flat. Once upon a time a group of explorers set off with the idea of proving that the world was round and that there was a route to the spice islands the other way, but the ...
1
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1answer
237 views

Creating a Matryoshka Shell World: Sectioning

In my previous two questions regarding temperature regulation and Rotations I set up the idea of creating a multi-layered shell world consisting of planetary crusts stuffed inside one another creating ...

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