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Original post: Imagine a world in which both left- and right-handed chirality appeared and evolved into a variety of complex organisms comparable to post-Cambrian Explosion Earth (both plant an...
Assuming it was possible to create an artificial magnetic shield on the moon, would it be possible that a sufficiently powerful field could hold onto an atmosphere despite the low gravity. Thanks
Okay, so while I'm fairly certain this is possible to do, I wanna know if it actually makes sense to do so. Imagine you have a fleet of ships, each of them so large it takes megatons of antimatter ...
I'm trying to figure out how fast my tiny critters from a previous question, Mistraille, can travel. Why? It's not that I'm detail orientated and want to know the exact decimal point of speed they ...
Let's assume the reactor takes up about 4 vertical kilometers and has the same radius as the ship (4km). This gives you a volume of about 2.01e11 m^3, which given about 3-5% of the reactor's estima...
Looking at the topographical map of the two main islands of Britain--England to the east and Ireland to the west--is looking at two and a half million years of ice sculpting, grinding and melting...
Imagine a starship with a tonnage of 600,000Â metric tons that must maintain an average speed of 10km/s to remain in Near Earth Orbit, that's probably going to consume much more energy than simply ...
An O'Neill cylinder for those not in the know is basically a space habitat consisting of a rotating cylinder 32km long and 8km in diameter. I want to turn one into an actual spacecraft rather than ...
I've always liked living spaceships, but it seems to me that the animal kingdom would make far inferior spaceships to the plant kingdom. With that in mind, what does this tree-ship have to be made ...
My hero is a synthetic biologist of an ancient race that achieved spaceflight billions years ago. His bio ship could achieve high fraction of speed of light, and he could repair or modify his body ...
There have been a few questions on mobile plants on this site and even more on their intelligence, but one that has not been asked so far is related to the lifeblood of creatures: blood. Inside of ...
Could you power a starship by feeding matter into a black hole and collecting the plasma produced by the tidal forces ripping apart whatever you fed it, or is this impossible/impractical? I keep re...
Let's say my eyes were ripped out in some horrible accident, and were replaced with cameras. Over the years, the cameras get better and better... 4k... 8k... 16k... etc. Is there a limit to how hig...
I am trying to build a truly alien form of life, and easily found several replacements for water, such as methane or ammonia, with there own unique advantages and disadvantages (Wikipedia has a won...
Follow up to this question. Is it possible to translate the inputs from the optical nerve to something readable by a computer?
Flux pinning (also known as quantum locking): https://en.m.wikipedia.org/wiki/Flux_pinning This technique has been discussed on this site before as a method for creating nearly indestructible supe...
I'm developing a world in the near future where a start-up company develops an artificial womb. Now well-off people could grow their children from their eggs & sperm. My story is about couples ...
Technology: Comparable to early XXIst century, except self-driving vehicles are already available. On a tidally locked planet most of the models that I can found (ex. http://www.meteo.mcgill.ca/~t...
I have a habitable moon orbiting a gas giant, and there is another moon orbiting the planet on a closer orbit. The cultures on the near-side of the further, habitable moon use the transit of the cl...
On Earth and other planets, the surfaces spherical shape and rotation lead to a Coriolis effect or force which causes large storms and weather systems to rotate (clockwise in the Northern hemispher...
In the 22nd century C.E. human already colonised the entire Solar system, and Earth becomes a dangerous place to live because of the spread of deadly synthetic virus that kills every animals and sc...
I'm designing a "adaptive" humans where repeated physical contact, skin on skin or exchange of bodily fluids, over prolonged period affects the development of the individuals. The effect I want t...
I don't trust anyone when I conduct my special line of business. I do my thing, face-to-face, verbally. I hand over a sealed envelope of cash and I'm done. I don't want to be recorded, I don't w...
I wanna have a scene where the protagonists see the gray goo excreting human skeletons because they can't use the calcium in them for anything. But is this true? Would a self-replicating machine re...
Just wondering both out of curiosity and something to add to my book, how do the nine tailed fox's dreads grow and developed? This is what I wrote so fa...
