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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Could humans be able to create a modern society in a water planet? [closed]

If the world we live in is a water planet, or a planet with little land, would humanity be able to survive and if they could, can they reach the type of civilization or society we have. Like able to ...
5 votes
3 answers
230 views

Could a Giant Earth planet have lower gravity than Earth?

I'm writing a neo-pulp adventure and one of the planets that appears needs to have the following characteristics: Is populated by giant non-sentient non-humanoid insect-like aliens, some from the ...
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3 answers
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Could 2 versions of a person from alternate universes be different ages? [closed]

Pretty much what the title says. I have 2 characters who are technically the same person, just from different universes, but for multiple reasons they have to be different ages. Can this make sense? ...
5 votes
5 answers
705 views

How to set up exchange rate between two very different world

Related to this question. The Science world, of course, has experienced and discarded gold-standard and is using paper currency and floating exchange rates. The magic world, on the other hand, uses ...
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12 votes
4 answers
1k views

What type of eyes are best suited towards fog and cloud cover?

I am working on a speculative evolution project at the moment that has a low atmospheric scale. As a result, the ground is almost always covered in fog or cloud-like fog that is universal across ...
-1 votes
1 answer
118 views

How likely for a religion to be almost similar in a different world? [closed]

In my secondary world, one of the main religions is a vague medieval Christianity. Of course, there are differences made for it to fit in with the lore, as well as a few other major religions. After ...
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18 votes
7 answers
1k views

Living on a giant banana world

In my story, which should be taken entirely seriously, mankind encounters a region of space occupied mostly by giant exo-householdobjects. That is, planet sized kettles, saucers, teacups, cutlery, etc....
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12 votes
11 answers
3k views

Measuring Time in a World Where the Sun Never Sets

First time here, so I don't know what to expect. I'm writing a dark sci fi mystery story that takes place on a hypothetical megastructure called an "Alderson Disk" (Example seen Below). ...
1 vote
3 answers
116 views

Could the Deutsche Kaiserreich create a U-Boat with the following capabitities for the WWI if some timetraveler give them the blueprints?

Is possible to design a submarine that follows the following restrictions? It must have at least the capabilities of a early „the war to end all wars“ U-Boat (e.g. SM U-19). It must build-able with ...
22 votes
7 answers
4k views

Plausibility of an advanced civilization that never found fire?

A world similar to earth (climate fluctuations, the need to cook food), and because the natural atmosphere doesn't have oxygen, the intelligent organisms there don't breath oxygen. How far could a ...
5 votes
4 answers
361 views

Could a hypothetical planet composed of a neon-oxygen or argon-oxygen atmosphere with Earth-like pressure levels sustain life?

I'm trying to create a hypothetical planet scenario, where there is a planet that has a similar atmospheric pressure to that of Earth, but in this case, it has a gas different than that of nitrogen. ...
5 votes
2 answers
86 views

Shantungosaurus chase, mad max style

I have a scene where there's a Shantungosaurus chase in Mad Max style, except there's no such thing as motor technology and the closest thing to guns are portable repeating polybolos (scoprion ...
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5 votes
9 answers
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How would computers work if the number zero wasn't invented?

I imagine a parallel world where people instantly went crazy and kill themselves whenever they try to conceptualize nothingness which we now known as the number zero, so no one I mean absolutely ...
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1 vote
2 answers
101 views

Can sharkmen perceive your emotions?

alledgedly sharks can feel a humans heartbeat from a mile away or something like that, and they can perceive electrical signals, makes you wonder how come then they are dumb enough to confuse surfing ...
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2 votes
5 answers
149 views

Are there things that can make natural lifespan in other planets inherently longer?

How would things like gravity, air composition and density affect the lifespan of the biological protein based life that inhabits the planet, or would they have any significant effect at all? Honestly ...
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6 votes
1 answer
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human version of hermit crabs

I have some tribes of nomads that live in pretty harsh places, going around by carts or building shelter is usually not an option. They live and sleep in some kind of heavy primitive armor, I was ...
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10 votes
11 answers
3k views

In a supercontinent would ships still be the primary way of transportation before the invention of engines?

introduction My world is made of a super-continent with very little isles, it has 100 countries, 97 of which are on land. 3 of those are underwater for folk who are able to live confortably in the ...
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1 vote
3 answers
175 views

what alternative topological shapes could alien life take on?

I've always been intrigued by the idea that alien life would be completely different from life on this planet. recently, I've been doing some research and found out that humans, along with other ...
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0 votes
1 answer
109 views

What kind of sounds would a creature from the void make? [closed]

For a place I call The Void, its a place filled in darkness with no elements on the galactic periodic table, what sounds would it have? Especially the entities in the Void called VoidSpawn being ...
13 votes
8 answers
3k views

How would WW2-level navy deal with my "merfolk"?

The abovementioned fictional race aren't exactly merpeople from fantasy, but I call them like that just for the sake of convenience. Rather, they're semi-aquatic humanoids, who are really good at ...
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2 votes
1 answer
53 views

How does the environment shape taste in alternate worlds

We all know there are factors leading to the various ways of flight, walking, running, crawling, climbing and swimming. Those factors are independet of the creature as those are motions and motion is ...
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1 vote
2 answers
87 views

Triassic crocodile alternative [closed]

During the Triassic period there were many different varieties of crocodile related species. The dinosaurs weren't as prominent until after a poorly understood extinct event. If this event hadn't ...
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6 votes
6 answers
283 views

What would cause oceans to disappear?

I'm writing a story that happens on a dry and arid planet that has only a few oasis's where life can thrive. Life on this world either lives in the oases or lurks in the sand waiting for migrating ...
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1 vote
6 answers
181 views

How could a world empire prevent rebellions with minimal bloodshed?

In the world I've thought of, monstrous beings more or less ended civilization on my planet. From the fires of this apocalyptic event, the world empire arose. It took over territory either by force or ...
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5 votes
1 answer
112 views

Weather on a flat world illuminated by static luminaries

Consider a flat world illuminated, not by a sun following a daily trajectory overhead, but by luminaries in static locations, fixed at a finite distance above particular locations on the surface, ...
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-3 votes
1 answer
66 views

Does anyone know how I can convert the time of my conworld into earth hours/days and vice versa? Is there a converter or formula I could use? [closed]

I try to find out how long the years/days/hours in my conworld would be compared to those of Earth. So here is some information about the conworld's time measures: 100 (earth)seconds = 1 (conworld)...
6 votes
2 answers
221 views

If John Atkinson Grimshaw's Paintings were actually daylight, what kind of star would this "sun" be?

An Englishman by the name of John Atkinson Grimshaw was known only for his nocturnal paintings of the British landscape. I don't know about you, but his nocturnes have struck me as a bit...bright. ...
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1 vote
3 answers
192 views

Appstore application to assassinate anyone [closed]

Being the pessimistic person I am who always looks at the dark side of life, mostly because in this world only a small percentage of humans enjoy the luck and luxury of living in the light side of ...
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7 votes
8 answers
2k views

Can a person whose brain was 98% destroyed but then recreated maintain some of their memories?

TL:DR A brain is turned into mush, destroyed, then 98% of the organ is replaced with other brain tissue. Can that 2% account for memories shared between both brains? Can the brain remember things that ...
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6 votes
3 answers
442 views

Can gender identity exist in a world without gender roles? [closed]

Before I offend everyone let me clarify that I mean no harm, I'm just ignorant. I never figured out what gender identity is since mostly only rainbow people talk about it and I always identified as ...
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1 vote
3 answers
130 views

Mining, Scavenging and Recycling in an artificial world

Billions of years ago, an extremely advanced civilization created an artificial world. Whether it is a ringworld, a shellworld, or something more isn't really relevant. This world's crust has a depth ...
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1 vote
0 answers
82 views

How do storms scale with planet radius?

I'm trying to figure out how weather scales with planet size, keeping other factors constant. For a specific example, say a planet with the following characteristics: Twice the radius of Earth. ...
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4 votes
1 answer
156 views

Is it possible to create an alternate reality through intercepting neurons and creating artificial neuron signals like in SAO (Sword Art Online)

I have been thinking a lot about creating an Alternate Reality that would essentially allow you to experience similar or as close as possible sensations as if in real life, and I really need some help ...
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1 vote
0 answers
70 views

To what extent can mania or depression be reliably pharmacologically induced with current technology? [closed]

Let's say in this world there was a nefarious government agency that had zero legal oversight wanted to induce psychological problems into a potential dissident via drugs. To what degree could that be ...
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3 votes
4 answers
391 views

Water in the interior of a very large continent

Consider a world that is much larger than Earth, but has Earthlike conditions on the surface. (Including gravity = 1g, by some suitable unobtainium.) Clearly, the surface could be covered in a large ...
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-1 votes
5 answers
190 views

What would be some changes in regards to courtship to a society where men are conscripted for three years into the military? [closed]

Let's say there's a major or constant level of warfare with an external enemy is a modern developed society. Think like modern day Korea or Israel. As a result of this level of warfare men are ...
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6 votes
2 answers
265 views

How much further could ship-based radar see on a flat world?

On our spherical planet, it is highly advantageous for modern navies to have airborne radar, because it can seem much further than even the best ship-based radar, simply due to the greater distance to ...
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2 votes
1 answer
115 views

What would the lakes of a planet with larger glaciers look like?

** This question is making the assumption that if a planet with a similar size and atmosphere of Earth is colder and has longer nights, it will have larger and more numerous glaciers. If this is not ...
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3 votes
1 answer
156 views

How would my world connect to Earth? [closed]

I'm building a world for the novel I'm writing (called Aroura) and it's a separate world from Earth. There are three tribes, the dragons, the elves, and the humans. My heroine, Galaxy, finds out she's ...
3 votes
2 answers
199 views

Would categorizing planes of existence be considered dumbing down or enriching when it comes to worldbuilding?

The world that I'm making draws strong influence from a multitude of religions, mythology, and folklore, and that extends to the planes from occult beliefs. These planes are the Physical Plane, Astral ...
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4 votes
3 answers
118 views

What adaptations would help an animal feed on mucosae that grow on the ground?

What adaptations of the mouth or digestive tract would help a creature to collect and consume mucosae (mucus membranes) that grow over the ground? The membranes have normal proportions and properties, ...
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5 votes
1 answer
288 views

Can ravens be trained to give instruction to guide people in the dark?

The world is in total darkness, moving slow and days are longer than years (the planets rotates around the sun in 5000 earth days and rotates around itself in 50'000 earth days) One day is longer than ...
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4 votes
1 answer
123 views

Two Worlds tethered together - how would the forces affect people on the planets?

^ Not to scale Assumptions These worlds are engineered. So some aspects of the worlds can be manipulated. Equal Earth-sized planets. Tether attaching them is infinitely strong. Their separation is ...
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3 votes
2 answers
109 views

Effect of lower average temperatures on the tropical savannahs and deserts of a planet

I have a nagging question that has been eating away at me since I am figuring out the biomes that are present in the world that I am building. For all intents and purposes this world is basically an ...
1 vote
3 answers
159 views

A Timeline for the discovery of Alien life

Set Up The Story itself is suppose to be a Short Animated Movie. The Short goes through the Timeline of the Discovery. Kind of like a Slide Show, just more CG. The Timeline It all began on October ...
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7 votes
2 answers
177 views

Does this model of atmosphere sounds plausible enough?

My world is that of a humongous cliff and pretty much nothing else. I was unable to be a flatlander so I justified it by making a humongous alien artifact and jabbing it into a polar region of a gas ...
4 votes
2 answers
180 views

How to build a massive canal system with the aid of limited magic that does not substantially affect anything else?

Previously I have asked about my desert world Skara Could canals solve H G Wells Martians water shortage problems? To recap: For current purposes such a world would have gravity and atmosphere ...
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-1 votes
2 answers
202 views

Could Giant Bats Fly with Giant Pterosaurs?

Last year, the Adult Swim program Primal treated us to perhaps the most Halloweenish episode yet, "Terror Under the Blood Moon", in which our two unspoken protagonists--the caveman "...
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-1 votes
1 answer
241 views

The Serina Series: Episode III: Pterosaurs

Let's take a different route and not take the Serina route using a modern species. Today, we're looking at pterosaurs. But considering that pterosaurs had ruled the skies from the Late Triassic to ...
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2 votes
2 answers
201 views

The Serina Series: Episode II: Crocodilians

In the first episode of this series, Cats, I asked if it's possible for all 600 million house cats to evolve different niches if they were the only amniotes in a terraformed world. Needless to say, ...
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