220 views

### A friend has an idea for a PA colony traveling to Proxima Centauri B but need help fleshing it out

So, my friend had an idea for a weird Post Apocalypse society traveling through space towards Proxima Centauri B, and she's trying to figure out where the population would be 50 and 100 years after ...
351 views

### Reasonable starting population?

Here is something a bit more rigorous related to my Kepler Bb Civilization I thought 100 humanoids transported with these criteria: 1:1 male:female ratio No children below 15 No ill or otherwise ...
799 views

### How can newborn babies survive without any adult human help in a new planet? [closed]

A few centuries from now, earth is doomed. To survive, humanity decides to send spaceships to the closest earth like planets. The trip will last centuries and is the last hope for humanity so multiple ...
682 views

### Minimum Population For a High Tech Society?

So I was thinking about minimum viable population levels for a colony and it hit me that there are two industries that probably can't be made to work at small population, but that you need to have a ...
270 views

### Future People on Earth [closed]

I watch the TV show The Last Man on Earth and there is only a handful of women and men living. In the show the few are trying to conceive. They haven't covered how eventually they will have to inbreed ...
719 views

### How does a small starting population affect diversity of a colony?

Scenario: A colony of 20,000 is founded, and has no access to any further inhabitants. Assuming this colony is humans of varying traits (genetics such as skin color, eye color, etc) with no single one ...
420 views

### Travelling in space for 6000 years, how many persons are needed? [closed]

So a spaceship is on its way to a new planet. The crew needs to survive during 6000 years on board. They will not get any help and they need to survive on their own. How many persons would need to be ...
276 views

### How many people could disappear and leave a functioning society [closed]

This isn't strictly related to a writing project, but I have been lurking for a while and have been amazed by the different questions that the people here are able to answer. If there was a major ...
164 views

### How can waste be disposed of in an isolated system?

I have in mind a world where a small colony of humans are isolated within a cylindrical force field in a desolate land of clay. With no tools their only option is to dig and, upon finding food (...