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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4answers
347 views

Creating a Matryoshka Shell world: temperature regulation

In a galaxy far far away, during a fit of inspiration for a super massive marvel of technology, the Imperator dedicates an astounding 10% of energy and materials from his civilization's dyson sphere ...
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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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3answers
243 views

What should the size of my moons be?

(Not entirely sure if this is the right place to ask this but hopefully I'm right!) I'm writing a novel and the planet this novel takes place on has two, twin moons of approximately the same size. ...
2
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1answer
173 views

Sudden enrichment of heavier elements and its impact to medieval/renaissance society

Disclaimer Building from this question, and both of this answer by John_H, and this by Samuel, I'm going to compose a new question quite related yet not quite similar. Background So we have a world ...
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6answers
460 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
285 views

Being the Warden to the Correctional Prison Planet called Slearth, What types of rules would you regulate? [closed]

What rules would you inforce to have total control of Slearth inmates? What privileges would you give the inmates of Slearth to keep them at ease? Would you just enforce medication to all Slearth ...
6
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4answers
470 views

Is waterwalking possible?

I am working on a world situated on the Earth. There is normal gravity, normal conditions of living - normal everything, except the human population itself. The situation: Humanity as a species ...
6
votes
4answers
599 views

How can I explain rainforests in a world with little, localized rain?

On the world I am building (Let's call it Bob for simplicity's sake), the days last 9 years. As a result of this, the living beings on Bob must migrate across the planet to avoid the encroaching night....
6
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2answers
130 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 ...
5
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5answers
373 views

Swimming in the rain?

This question is inspired by salmon swimming up waterfalls. I am aware that it is an entirely different thing, but I felt that it was worth mentioning in understanding the question. “What would need ...
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3answers
145 views

How would the lifestyle of people change if they learned to live by doing photosynthesis?

Consider a parallel universe where people have developed into beings who can survive by doing photosynthesis. That means there is no need for food they can just survive just by using sunlight. Now ...
2
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6answers
210 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 ...
2
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3answers
177 views

Air, water, and …? [closed]

Suppose you have a planet with two different, immiscible, ocean-forming liquids. You start out immersed in gaseous air, and you can walk down the sea shore where there's a clear interface with liquid. ...
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1answer
303 views

Are human batteries energy efficient? [closed]

After watching Animatrix I started to wonder if it would be energy efficient to draw power from human "batteries". Without the Sun there would be no endless - in our time frame - source of power. ...
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1answer
122 views

An Earlier Pleistocene = Mass Extinction?

Five million years ago, the warm Miocene gradually descended into the cool Pliocene before dropping into the frigid Pleistocene. Such a change in temperature was so gradual that life went on without a ...

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