Linked Questions

15
votes
3answers
1k views

Repopulating humans AND zombies

So most zombie apocalypse stories involve wiping out 99.9% of the human race and having a small minority survive to try and keep living. But, let's say I want society as we know it to collapse, but I ...
6
votes
3answers
3k views

How small can a population be with regard to genetic diversity?

I'm working on creating a species that favours small families for a number of reasons, and have no interest in 'breeding as much as possible'. As a consequence, their population size is small. But how ...
3
votes
6answers
635 views

Ratio of passengers to cargo on colony flights

Sci-fi scenario with flights to a colony planet. Tech level is otherwise close to today (e.g. no androids or desktop nanofactories). Planet is quite similar to Earth, so e.g. agriculture works, you ...
6
votes
7answers
969 views

What is a realistic growth rate for a space colony?

I am starting a theorycrafting thread in a video game forum. It deals with the creation of a Hegemony created by the descendants of a colony ship that was cut off from returning to Earth (wormhole ...
5
votes
6answers
240 views

How long might it take a new planetary colony to achieve technological parity with their starting civilization?

So, given the following assumptions and starting criteria: The colony ship comes from a human culture that is about 100 years advanced from the present. The amount of initial colonists are around 5,...
5
votes
6answers
200 views

Does a large population make sense in a galactic society with automation tech?

So I am writing a Sci-Fi novel where humans are currently spread out over 440 Star systems ( ~ 2000 Light years). There has been several breakthroughs in Automation technology and all manual labor ...
8
votes
3answers
645 views

Planetary Colonisation; how to retain ethno-racial appearances over millennia?

I was reading this question last night about people of colour in fantasy stories. I've read so many fantasy stories where any mention of colour is associated with the negative/animalistic/barbaric ...
3
votes
5answers
285 views

Would having more than two sexes decrease the number of individuals required to have a sustainable population from a genetic perspective?

On a world made up of many small islands, each island cannot support a very large population. Although sometimes individuals from one island make it across the ocean to another, this is usually a ...
3
votes
5answers
550 views

What would society be like if the world was populated by a chosen set of clones?

It's 100 years in the future, and we've decided to end all war and crime. How do we plan to accomplish this? Through rigorous study of personality theory and human interaction, we've identified 50 ...
4
votes
3answers
372 views

When traveling to an alternate Earth, how many generations would you have to breed with the natives to prevent inbreeding?

A group of 35 superhumans from the future get trapped on the alternative Earth still in the Dark Ages. Banding together they take control of a small country and establish themselves up as kings and ...
5
votes
4answers
738 views

Planning of population explosion after an apocalypse

After a global apocalypse, a remote, large island with fertile areas and large amount of livestock and pre-apocalypse technology is populated with 8 humans. Description of 8 humans are as follows: ...
-1
votes
5answers
438 views

What would be the human population 200 years after 8 slaves escape?

Okay so in my setting, long story short, it starts off with a group of humans escaping an alien fleet they were enslaved by and conscripted into, and they find an earth-like planet that's smaller than ...
2
votes
4answers
302 views

Reboot society with modern knowledge [closed]

Here's a thought experiment I've been pondering for a while: Make a copy of Earth as it existed 5000-ish years ago, with all of the plants and animals, but without any people or any traces of human ...
3
votes
3answers
502 views

Long term living without sunlight

May be the wrong site, but researching for a writing project... What effect would there be on a group of humans living in a lightless and cramped environment (assume underground) for nearly 800 years, ...
5
votes
3answers
662 views

Could just a few humans recreate society?

In my scenario, a tremendous war wipes most of the humanity. While pockets survive here and there, the biggest part lives in one city, totaling around 3000 to 5000 survivors. It is also important to ...

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