Questions tagged [science-based]

For questions that require answers based on hard science, not magic or pseudo-science, but do not require scientific citations. Contrast with the hard-science and reality-check tags. Do not use this tag as the only tag on a question.

12 questions with no upvoted or accepted answers
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Plausibility of helium dominated atmospheres on super-Earths

I've been using this helpful diagram a lot for worldbuilding. Now I came to think about the fact that helium is more massive than hydrogen, thus a scenario where hydrogen escapes, but helium is ...
4
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2answers
141 views

Could a carbon based lifeform use the mineral olivine in its structure? Why would it?

Have a creature from a dream. It's a carbon based humanoid creature partly made of the mineral olivine. Could there be any reason it might contain this mineral? Perhaps a show of health - the more ...
3
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3answers
35 views

What's it Like to Fire a Sci-Fi Laser Rifle

Inspired by this question, I have a feeling that my presumptions about laser weapons are all wrong. Let's assume the following sci-fi laser weapon: Form Factor : Rifle Energy Delivered to Target : ...
3
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0answers
74 views

Is the Hammer Slammer’s Powergun feasible?

I have seen many people discuss in this community on how a plasma gun ought to be made. But only a few mention the Powergun from the Hammerverse. I ask if this design will work. Can the bullets be ...
2
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0answers
78 views

Can you replace goethite with something else in limpet teeth to decrease its density and maintain its strength?

The limpet teeth's microscopic structure is analogous to man-made short-fiber composites. Its strength depends on the direction of the force, relative to the orientation of the fibers. https://www....
2
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1answer
136 views

How would a slip-strike fault develop in my terrain?

I am designing a fictitious continent, and as part of this I am also designing the prehistoric development of the continent up to the present day. A particular tricky part of this has been that, in ...
1
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0answers
154 views

Feasibility of The Absorbic Bomb from The Killing Star

I have come across a weapon by The Killing Star, which is called the Absorbic Bomb. Apparently, it reverses the formula E = mc^2, of how matter is converted to energy during standard nuclear blasts, ...
0
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1answer
40 views

Small planet tidally locked to a red dwarf which is orbiting a main sequence star

I'm working on creating a planet that is tidally locked to a red dwarf, which is in turn orbiting a main sequence star which is much further away. My idea is that the tidally locked side of the planet ...
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36 views

How much antimatter can we theoretically hold in a Minimum Magnetic Field Trap?

I will be using solar antimatter production via Schwinger pair production like the VARIES project but I need to store it for bulk use. The containment will be a satellite orbiting the sun close enough ...
0
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0answers
82 views

What is a realistic useful life of a calcium carbonate pulse jet deflagration chamber?

My jet-propelled squid uses a scavenged shell for its pulse jet deflagration chamber, I am trying to determine how often he’ll have to replace it. Including the shell it’s a 5 kg animal using a ...
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0answers
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Feasibility of Warhammer 40k Weapons Part 2: Exterminatus

So the Plasma Cannon proved to be a bust, now to the next weapon, what which is commonly associated with 'Exterminatus', the Atmospheric Incineration Torpedo. This bomb is far more powerful than a ...
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0answers
65 views

What to remove to make a realistic Omni-Directional Maneuver (ODM) gear?

One thing I like about Attack on Titan are those lovely Omni-Directional Maneuver (ODM) gears! They're the perfect combination of a jetpack and a grappling hook. I love how the thrusters are placed at ...