Newest Questions
39,487 questions
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How can I figure out where the closest stars would be relative to the planets in our solar system at a specific time?
In my story, aliens come to our solar system from a nearby solar system (I.e. one of these).
I know when I’d like the aliens to arrive (I.e. I have the exact date on the Gregorian calendar); however, ...
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1
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What would winds and storms be like in a no tilt mostly water planet
I'm making a mostly water planet with just a few islands and no axil tilt. Basically I'm wondering if my guesses are right, would my equator have lots of storms and hot rain due to the large amount of ...
9
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9
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915
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How to construct a re-arming mechanism for a medieval crossbow using medieval technology?
In my world I have a genius inventor like DaVinci and my inventor has been asked to create a hand-held semi-automatic crossbow. The crossbow reloads and cocks itself without human input.
What is a ...
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Life on a planet in a binary star system that is orbiting a black hole, how would it work?
I’m working on a fantasy novel and trying to keep the underlying science internally consistent so obviously i have some questions since im not a science person.
How possible is it for a planet in an ...
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7
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What measurements might scientists take to verify the existence of an incorporeal, invisible being? [closed]
Let us assume that there exists a human-sized, incorporeal, invisible being at a particular location. Scientists are trying to verify the existence of this being. What measurements might they take ...
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How would a plant go about harvesting a storm?
I'm trying to make a plant (calling all autotrophic beings plants) that harvests energy from storms in an area of my planet within my speculative biology project.
The area is the entire equator, which ...
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2
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116
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Feasibility of interracial selective breeding in ants
I am developing a race of sentient ants (around the size of a large dog) and I am trying to come up with a way to capture the diversity of modern ants in a realistic manner.
After conducting some ...
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How could a low-gravity world keep its atmosphere?
I am currently creating an exoplanet for my hard sci-fi novel, and I have been encountering a bit of an issue.
The main pretty much non-negotiable aspects of this planet are:
It has a low gravity (0....
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Do you think there would be interest in an AI based world that runs on poeples computers? [closed]
I have a prototype program where AI lives (entire worlds) exists on a user's computer. The world has real rules, and the AI can communicate or interact. These worlds can be part of a galaxy, where ...
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1
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87
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Tidally locked, low-gravity world orbiting 61 Cygni A: plausibility and life probability
I'm building a planet for a hard sci-fi novel set in the 61 Cygni system and want to stress-test the physics before I commit to the worldbuilding. I've done my own calculations (shown below), but I'd ...
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What are the definitive milestones in creature design?
I started my world building project with the plan to build around an initial sketch of a species. I ended up with sapient ants, but I'm struggling to recreate the biological plausibility of popular ...
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How to make a realistic infantry laser rifle? [closed]
I mean, it’s kinda explained in the title, but I have a faction called the Commonwealth of United Draylothian Clans (from the lava world of Drayloth VII, in our galaxy, specifically the dead zone ...
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12
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2
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2k
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Could we spot an alien ship entering the Solar System?
Would it be possible to spot an alien ship with modern telescope technology if it was entering our Solar System?
More specifically a starship using a Magsail-type system to decelerate from ~90 percent ...
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Does it make sense for people in-world to choose an RPG leveling up format for their magic learning? [closed]
So. This is a very experimental idea I had for my world. I fully admit I went in thinking. “Can you imagine going to a magic college expecting it to be stuffy lectures, but in actuality it’s got ...
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3
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Total energy production of a neutrino powered generator
I wanted a beamed powersource that could go anywhere. So I thought of a generator that fires off a beam of neutrinos at a target location where it is caught using technomagic.
A sphere is used (so the ...
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