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Could an artificial plant species be designed and created that lives in a vacuum - for example on the surface of our moon? The main problems I can see immediately would be the lack of an atmospher...
What conditions are believable for a racial society majority to accept a racial minority, and those to reject them? I have two races. One is a racially pure majority and the other is a mixed breed...
The Wold (Forest) is one vast, interconnected, possibly digital mind. The mind is primarily built of one cloned individual of a single plant species, but there are over a dozen 'helper' sub-minds a...
I was reading Flatland, and the thought occurred to me that interaction between an n-dimensional being and a n+1+-dimensional being may not only be difficult but dangerous, that Flatland contains e...
A ship is sent through a wormhole to an unknown planet to create a sustainable colony. The colonists know that they won't have further contact with their home planet - this is a last ditch effort t...
With the increase in living standards, the number of children by women is decreasing in highly developed countries. Question: Is it conceivable (with the aggravating factors proposed below) to s...
Could a civilization exist on a planet/dwarf planet like Pluto? It is so cold and barren. Is it possible? What would they live off? They don't have to be humanoid.
In this hypothetical solar system the one habitable planet in question would be at center of two sun stars, one similar to our sun and the other a red dwarf. What kind of effect would this have on ...
In a world with humanized (or at least tool using) reptiles, how long would a tattoo be able to last on the scales? Would the tools need to be much different than what we use today? Would it be p...
Most interested in effects during the first <75 years. Things to consider: What type of organization is building the space elevator? How is the service sold/rented? What is its maintenance/s...
Is it possible for humans to evolve to eat something like wood or stone or something similar? Any hard material you would find or any abundant resource. So is it possible that humans in the past ha...
Is it possible that any life on earth could evolve to live off a liquid which is not water? Something like oil or some other natural liquid?
Is a scifi setting of constant artificial light everywhere plausible? I'm thinking to the point that the average adult person has not gone out of a city and has no experience of general darkness (o...
One possible approach how to estimate extend of space colonization is to define costs of it and then estimate the investments the governments and organizations would be willing to pay. In an excell...
If an earth-sized planet were tidally locked to a star, and was in the life zone of its star with an earth-like atmosphere, what would its wind patterns be like? The planet would have one hot hemi...
Somewhat inspired by this question : Could a civilization as advanced as humans exist on a planet/dwarf planet like Pluto? Assume two dwarf planets in tide lock orbit around one-another. Assume ...
I was reading up a little while ago about Janus and Epimetheus and how every few years they trade orbits. The mechanics is interesting but I'm not going into them here. What I was wondering is ...
I am building a habitable Earth like planet, but instead of it being in a solar system it is inside a Nebula. The actual composition of the Nebula is uncertain at this point. I am thinking the pl...
I am building a habitable, Earth like planet, but instead of it being in a solar system, it is inside a Nebula. The actual composition of the Nebula is uncertain at this point, but I am considerin...
I'm aware that deep sea fish don't actually "explode" when brought to the surface but any air sacs in their bodies would expand and cause them possibly fatal damage. However, what other physiologi...
1350 AD. A secret society is recruiting adepts in Rome, Florence, Paris, Wien, Prague and London; well-educated people in high ranks of nobility, catholic church, engineers, professors and knights....
That is to say, could a planet be big enough to have other planets orbiting around, while not orbiting around any star? Cha 110913 seems to be close to what I'm looking for, but its classification ...
Imagine a world in which technology we would probably call "technological singularity" is possible and already happened on few places of the galaxy. By the singularity I do not mean that anything i...
What would happen to a human settlement on Earth, on some deserted island, that had no contact with the outside world for a thousand years? Something like a human version of the Galapagos islands, ...
Accept that we had a reason to go to Mars, managed to build a colony there, and what we found on Mars is valuable enough to ship back to Earth. There is now a self sustainable colony living under t...
