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Long ago, I asked a question on how to make the Nine Realms of Norse mythology--Niflheim, Muspelheim, Asgard, Midgard, Jotunheim, Vanaheim, Alfhiem, Svartalfheim and Helheim--a reality in regards t...
An entrepreneur has a dream. He wants to create the most amazing and magical amusement park in the solar system. He goes to investors with the blue prints of the park, and they think it's a good id...
Angels are advanced technological beings who are messengers of the gods. These extra-dimensional beings are large, upwards of 30ft tall, and resemble eldritch abominations in their true form, such ...
A secret government organization created the largest and most advanced computer cluster ever. Ridiculous amounts of money went into it, and it is decades ahead of the competition. The goal of thi...
There is a forest in my world with a special property: All the trees are optimised to shade as much as possible during summer and give as little shadow as possible during winter, to regulate the te...
In my setting, centaurs are related to other six-limbed creatures such as dragons and griffins (the "fur" is actually made up of tiny feathers). Assuming they were originally creatures similar to s...
I'm writing a story that takes place entirely underwater, mostly in a deep sea town and shallower city. Both are underwater and populated by beings who can survive underwater. My thinking is that...
World Rules: Travelers are able to move at the speed of light without disruption of their lives. Time passes "normally" for them. They think, breathe, love, cry, and steer the ship as if they w...
Wouldn't it be cool if giant monsters were on giant planets? Of course it would be, but unfortunately physics doesn't really like that idea. Big planets make things on them need more support, so be...
Could Space Station V, from 2001: A Space Odyssey have an inner ring? Would the inner ring have a different G-force if the inner ring was halfway between the outer ring and the hub. Would there b...
If a chunk of land mass the size and position of Sweden took off and floated away in a straight line, exiting the atmosphere and orbiting earth, at what distance would it be visible from, let's say...
Wikipedia lists a potential for a hypercane which can have an eye of up to 190 miles in diameter https://en.wikipedia.org/wiki/Hypercane Say there's an earthlike planet that for whatever reason ha...
Prehensile hands have the advantage of not having to constantly touch anything they don't have to - with the exception of things like doorknobs. Feet don't have that luxury, and so in a sense will...
In my conworld I've got heavily armoured airships majestically floating through the skies with help of a science-defying lighter-than-anything material. While I don't mind introducing a pinch of p...
Update (6/20/19): I have received some great answer here and they all mostly point to the fact that while effects on the opposite side of the planet are possible, the deformation may or may not re...
If I needed a large area for zero-G training, is there any place to put it on a rotating wheel space station if the hub was needed for docking of spacecraft? I wanted a place on the station that...
Based on Docking on the outer edge of a rotating wheel space station would it be impractical to launch ships off of the outer edge of a rotating wheel space station? Whether launching the ships al...
Assuming such a space station needed to have its central hub not used for docking spacecraft, would it be plausible for a spacecraft to dock on the outer edge of a rotating wheel if the ship approa...
The People of The Shining Isles have long been exploited. They are cruelly used in mines, excavating tonne after tonne of rock and dirt in pursuit of what the Warriors from Away call "˜diamonds'. T...
My hypothetical gas giant has five major moons. Three of those moons are icy bodies with abundant water ice and volatiles. Any of these could provide fuel for translunar spacecraft, or for spacecra...
I was wondering if an object that changes its own mass could exist. But let's try not to fill it up with air or other gas so it feels "lighter". That way you could protect things from being stolen...
In my world there is an old human guarding something of great significance. All chemical reactions in their body have been slowed down to a microscopic fraction of what is deemed usual*. Once the ...
In a sci-fi universe where man has the capability to leave our solar system would metals or alloys above and beyond our own be possible? Or at least within the bounds of reasonable possibility? As ...
I have a very simple question regarding a small problem I cannot find a single satisfying answer to. I am trying to create a country with a prominent Slavic culture. In my story, an alien world has...
Supposing climate change continues at its current "worst case" projected rates, would we see a noticeable reduction in insects down the line? I am wondering if it makes sense to have a character wh...
