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I've been toying with the idea of a global highway that completely circles the globe. Ideally it would (on average) be as close to the equator as possible but also hit or at least come close to maj...
In my world, law enforcement is dispatched from the capital to places around the island. The reason for them being dispatched in this fashion is due to there being few officers and the capital bei...
Imagine a device implanted inside the body which can detect when your heart has stopped and, in such a case, burns fat rapidly to generate enough energy to shock your heart into restarting, in a si...
I want this planet to be very earth-like on all aspects except for its size and the day-night cycle. The circumference is three times greater than the earth's circumference. The day-night cycle las...
Set in the late 22nd century AD, spaceship designs are becoming more streamlined and have longer bodies measuring from the tip at the front of ship to the thruster located at the back of the ship. ...
My world is far away exoplanet with water and some oxygene, but without life or plants, which means without coal and organic materials inside. High tech people from Earth come there and made some ...
A wormhole (or Einstein"“Rosen bridge) is a speculative structure linking disparate points in spacetime, and is based on a special solution of the Einstein field equations solved using a Jac...
A holy man lives down a cylindrical well that is 2 metres in diameter. There is no water in the bottom and all the walls are of solid impermeable rock. He is protected from rain by a roof on suppor...
Assuming that a person has the power to manipulate all elementary particles in any way (i.e. changing them from one elementary particle to another, nuclear transmutation, moving groups of them at a...
Would it be possible to have a region on a planet that is not near its poles that has below freezing temperatures most of the year, while having more temperate regions both above and below it? If s...
Tech level: modern - like Atmospheric pressure at local sea level: Oxygen ~30 kPa Nitrogen ~180 kPa (So roughly counting 1.5 times more oxygen, 2.25 times more nitrogen) Technically speaking ...
I was reading one of the recent questions involving a fast-moving superhero, and it reminded me of something I've been wondering about for a while, so I decide to create a spinoff scenario question...
If you found out a way to produce a smooth icy surface on an ice moon like Ganymede, Enceladus, or Callisto, what kind of challenges would someone face if they tried to start ice skating? I figured...
This is the third in a series of 5 (at this point) questions. It's not relevant to this question, but for anyone who's curious this was the first, this the second. Conditions for this question are...
I am considering the possibility of having massive cephalopods evolving on my world and having them fill the niche of whales. I've heard about how whales have evolved to increase in size for the p...
The apocalypse has come! Everything is dead, and I do mean everything. People. Animals. Plants. Don't ask how, I'm not entirely sure. Let's assume this town is in an out-of-the way area as far as ...
I have three types of dragons; dragons that primarily fly, dragons that primarily run, and dragons that primarily swim, with all three types being able to do the other two things for a limited amou...
Anime, Disney, and many, many other works feature human characters with ridiculously oversized eyes. This is usually just a stylistic choice, and had little to no effect on anything in-story or in-...
Flapping flight bumps into a size limit after a while because of wingbeat frequency. My knowledge on birds is rather limited, so here's how I interpreted that: A longer wing is a longer lever ...
Okay so, this is kind of a disgusting question... sorry about that in advance, guys. Say you are super strong, super fast, and super durable. There is a not so strong, fast, or durable normal human...
You are the leader of a far-future civilization - human or otherwise - that has endured for trillions of years doing whatever far-future civilizations do. You've surrounded stars with Matrioshka br...
I am asking specifically because I was recently doing a Doctor Who marathon and saw the apalapucia episode and thought "I wonder if that's possible?" So here I am. Is it possible to have a planet w...
So I have a scene where someone gets poisoned. I want the poison to have a couple qualities: It works fast, with in the span of a meal be to exact It can be put in food or drink, either covered u...
In my semi-realistic science fantasy RPG, I want there to be a newly discovered chemical element that is perfect at generating plasma for use in various futuristic weapons and to increase the lifes...
Something in orbit around an inhabited planet blasts it with a hefty dose of gamma rays/x-rays/something else, killing everyone within a relatively short time frame (hours or days) but leaving no o...
