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I believe there are precious few questions relating to the concept in general, but I was wondering if the concept of an organism absorbing large amounts of CO2 from blood seemed reasonably plausibl...
I need maps of climates and prevailing winds for my desert-dominant world. It has one continent stretching in a band around the tropics and into the subtropics, making up about half the planet's su...
The time: January 27th, 2017, 7:00 AM local. The place: New York City and environs. Jormungandr, the Snakebot of Doom, has just finished steamrolling New York City into something more closely res...
It's common knowledge that the atmosphere of Venus is too inhospitable for a proper landing. The most concerning problem with that is pressure. Venus's atmospheric pressure is said to be 92 times...
Say we have a group of space travelers who have been frozen inside a sleeper ship for an enormous amount of time that left when Earth was recognizable. When they thaw out and reach their destinatio...
Having been looking into scientifically plausible forms of telepathy, I stumbled across the electroreception senses that exist in some electric fish (and in a few land-dwelling marsupials). My ques...
A thought experiment occurred to me today that, say we have a synthetic superintelligence that does not wish to talk to people, not out of malice, but from an agonizing indifference toward humanity...
So, in my world there are these hit-men/assassins, who get all their missions/targets through their dreams. This takes place on Earth in the future. They have a dream the day before the kill, which...
The question of whether or not humans could reach space without various resources has been exhaustively researched on this site, but one question has not been touched- what about the social and pol...
To have a fire you need three things: oxygen, heat and flammable material, therefore the cold vacuum of space is the last place you would expect something to burn. I was, however, wondering if a ve...
I'm creating a fantasy-world generator. So far I've got it generating a reasonably good surface map, complete with terrain, cities, and borders. Here's a link for anybody who wants to try it: https...
Here is the basic outline for the drive: The drive, at its most basic, is a device that converts any matter into pure energy, and the operator can choose exactly what kind of energy is produced, ...
I'm curious as to what the implications to any navigation system are: ship trekking aviation etc. Will their compass change shape (as being spherical), or might they dump the compass alltogeth...
Which natural conditions are needed to force the evolution to immortality? I've read on a page (I don't remember the page) that if the environment is safe, the animal would evolve to have a shorter...
How could we use our own heart which pumps our blood, to potentially charge devices such as a cell phone?
2017, flying islands just appeared in the sky. Different places in the world, different sizes. The biggest one is about the size of the Corsica french island. They have similar ecosystem than Eart...
In my world there is a kingdom built on hexagonal pillars like you see at the giant's causeway. Your social status is based on how tall the pillar you live on is. Sort of like the image below. T...
After reading this question by Nick M (now closed) and exchanging some comments with him, I have some ideas related to the scenario. I realized that the comprehensive design covers several distinc...
Let's say we have a planetary system that has somehow attracted an unusually high amount of dark matter and dark energy. We can hand-wave the physics and any impossibilities behind the method of th...
My world has lots of civilizations which, due to geography, have little access to the kind of sea travel as a means for trade, exploration, and conquest. I think the people of this world may be dri...
In one of the most empty regions of space between the galactic superclusters there is a giant space bubble, with a radius of about 1,000,000 light years. Most of this bubble is one molecule thick ...
I'm looking for a realistic apocalyptic event, which can't be prevented, but can be accidentally predicted long before it actually happens. By the prediction I mean a scientific prediction, of cour...
I've already asked a similar question but i'd like more details. This moon would be orbiting around a saturn like planet without rings. The host planet would be located in the habitable zone, allo...
Global warming is awful, we all agree. The problem is that there exists materials that warm up easily naturally or artificially. But, why isn't there cold materials? Cooling something requires ene...
In this world, there are two trans-human species that are emerging at the same time. They vehemently despise each other and conflict is fast approaching. I would like to make the struggle between t...
