Newest Questions
38,951 questions
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Can a substance allow only solids through?
Semi-permeable barriers typically restrict solids passing through. Is there a way to do things differently? Is it possible for a barrier to capture liquids and gases, but allow a solid to pass through?...
- 1,348
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How can my superhero avoid burning off his shoes?
My superhero, Fusion Man, has the ability to shoot jets of semi-molten metal from his hands and feet. The metal is generated outside his body and given an impulse by the superpowers. I have chosen to ...
- 2,032
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Space Pollution at the Lagrange Points
Imagine a moderately large M-Type asteroid gets maneuvered into one of the Earth/Moon Lagrange points. The asteroid has a diameter of few kilometers and a mass of a few dozen gigatons. It has been ...
- 123k
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6
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How completely would an empire having a near-monopoly on precious metals be able to manipulate the galactic economy?
In my series, there's this empire called the Aurean Dominate that controls the entire Planet Aurea and a handful of outlying territories on nearby worlds. On this Planet Aurea is the Monsaltu Range, ...
- 6,254
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Does my airbender need to have a special structure of the components of the muscular and skeletal structure of his body?
In the previous question Does my character need to be resistant to extreme temperatures in order for him to safety use superpowers? I asked if my character needed to be resistant to extreme ...
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Placing artificial moons inside a a gas giant
If a number of artificial moon ( the moon have Star Trek style anti gravity that fades out after 50km above its surface ) was inside the breathable atmosphere of a gas giant , how would life be ...
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How could technological development be significantly accelerated without a major war?
I'm working on an alternate earth where technology is significantly ahead (Eg. technology adjacent to the things we have in our present day, stuff like kevlar, the internet, mobile phones, etc., ...
- 316
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could a sound wave or ultrasonic boom be harnessed as a form of flight
I am playing around with the idea that there are beings who have the ability to generate sound waves and sound energy at very high frequencies, wavelengths and with immense energy. They are located on ...
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Would there always be markers (or some kind of clue) on cells that had been genetically engineered? [duplicate]
A mad scientist in my novel is intent on proving this human specimen he captured is not naturally coming by his characteristics, that he is instead somehow lab-altered, genetically engineered. Is that ...
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What Type of Star and How many would I need to sustain 7 planets in a habitable zone [closed]
I would rather have just one star but I'm open to more. I really just want to know what would be most efficient for my fictional solar system which would be created by God/Cosmic entities
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How to convincingly erase a population's memory?
I am a big fan of the "forgotten precursor civilization" trope, and the lesser-used trope of gods or major religious figures worshiped in the present turning out to be forgotten and ...
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How humid does it have to be for flamethrowers to start experiencing problems?
I'm writing a setting where the use of flamethrowers is 'reasonably pervasive' both for warfare and the clearing away of foilage and shrubbery. I'm not sure how much in-universe context I need to ...
- 939
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Can we track each Alcubierre drive by the Hawking radiation emitted?
I am writing a story about a dogfight between multiple warp capable spaceships, in one particular scene I like to have the adversary to make an epic announcement/entrance via hawking radiation like ...
- 48.2k
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How does a government that has a 'cash-for-kills' bounty system avoid recreating the 'Great Hanoi Rat Massacre'?
To put it in very simple terms, in my sci-fi setting, we have a bounty system in use by Nation A (cash for kills). Basically for every legitimate kill a soldier or police officer makes, they get a ...
- 939
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What effects would turning the Nile into blood have on the Mediterranean Sea's environment?
What Happened
This happens on a nice spring day along the Nile during the reign of Ozymandias. At this moment, all the waters in the drainage basin of the Nile become the exact composition of type AB (...
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