Questions tagged [physics]
For questions regarding the physics relevant to fictitious worlds. General physics may be off-topic.
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Kelvin Helmholtz-Effect on a moon
I am continuing my research and work on my scenario which involves several moons surrounding a gas giant.
The satellite in question has 0.6 earth masses, an atmosphere with a decent greenhouse effect ...
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Can I cause a star to go supernova by altering the four fundamental forces?
I have the Scientocratic Hivemind. It has the ability to create and envelop things in a magic field. Within this field, it can choose to strengthen or weaken the four fundamental forces governing the ...
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How could double damage be explained in-universe? [closed]
I'm creating a tabletop role-playing steampunk fantasy game. Within the game are elemental weapons and spells similar to the ones in Borderlands. One of the elements is Slag. An organism or structure ...
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Is it reasonable that my human-habitable alternate universe look different?
In the story I am planning, I wanted to have two universes, one just like ours, in which humans evolved, and another that is sufficiently similar to our own that humans may survive, but in which ...
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Air magic only used to decrease humidity and improve living conditions?
I'm writing a world with an overall warm and very humid climate (Eocene-adjacent, although it does not have to be 100% realistic). Population is very low compared to Earth. Humans generally live in ...
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Plausible reasons for the usage of Flying Ships [closed]
Inspired by this question, I would like to try a similar question, but for flying ships.
So, assuming that the technology is readily available and that we could build these flying ships as easily as ...
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What materials are best for creating a solar sail based of scientific factors [duplicate]
What materials are best to use for a solar sail? Since solar sails function through the transference of momentum from photons, a high reflectivity material would be best, no? Are there any scientific ...
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Exploring the Feasibility of Laser-Based Ram Scoops Powered by Micro Black Holes [closed]
Ram scoop ships are a well-loved element of hard science fiction, typically employing magnetic fields to harvest interstellar gas. However, this concept often grapples with practical issues like drag ...
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Spearguns without rubber?
I want a medieval civilization to be able to hunt under water. However every weapon I can find to spearfish under water seems to be rubber based. I don't want to introduce rubber to my world as it ...
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Would it be possible for a living being the size of a planet to survive? [closed]
I've been thinking what is the theoretical size limit of a living being? I asked myself this question:
Could a living being grow to the size of a planet?
This super massive organism would have its own ...
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Is it possible to create a rocky moon with high volcanic activity but that has underground water?
I am creating a moon for my gas giant, I am going to give the data and a little more context but first I need to make it clear to everyone that there is no life on this moon and I do not plan that, ...
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Estimating energy of tidal friction in alternative moon scenarios
The moon loses kinetic energy due to tidal friction. I would like to quantitatively explore the energies involved in alternative earths in which the moon is larger or has a different orbit.
I asked an ...
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What is the best kind of nuclear reactor to use for a criticality accident if I want to expose my crew to a huge amount of radiation?
I've recently been making an attempt to write a short story that leans very heavily towards hard sci-fi. My area of expertise is primarily in biology and neurology, and the backbone of the story is ...
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Would mining asteroids cause meteorites
I wanted to know if the mining of Asteroids would cause a problem with meteorites for nearby planets. Like if a company came in and started blowing up moons, asteroids or dwarf planets would the ...
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Looking to shape a magic system based as much as possible in actual science [closed]
I am looking to create a magic system that is grounded in science. My initial thought was the ability to manipulate electrons on the atomic level. Since I do not want the magic users to be walking ...
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