Questions tagged [materials]
For questions regarding the properties and applications of both fictional and real materials.
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Determining the qualities of a quill based on the qualities of the bird [closed]
Quills made from different birds are noted to be different, but I cannot find information of what factors are behind these quill differences
The relevant species is a flightless flamingo-like wader ...
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Burning Steel as Firewood
On Planet FeC, residents commonly burn naturally occurring steel ingots as what we would call firewood. As with actual firewood on Earth, these ingots vary in fireworthiness: a large, "green"...
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How much better would metallic hydrogen be than conventional explosives?
How much more effective (if at all) would metallic hydrogen explosives be against armored targets?
In this setting metallic hydrogen can be cheaply manufactured and contained in a metastable state ...
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What could a hypothetically long transparent and super strong nano fiber be made of?
Hoping to get a couple ideas for the following context. Looking at building a planetary dome using transparent nano fibers and the only hypothetical materials that come to mind is some diamond/...
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Repairing a killer electron turbine for ordinary space ship electricity
I'm in the process of inventing a method of powering the onboard systems of a space ship. This excludes engines and maneuvering thrusters. The idea I'm working on involves killer electrons.
High-...
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Effects of TCO metamaterial on recoil
Triangular Cylindrical Origami (TCO) is a metamaterial that is able to turn a compression wave into a tension wave. This cancels out the force of an impact, but does nothing for the momentum.
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Bullet resistant space armor material
I'm currently developing a world in which humanity has colonized Mars. Armed bandit attacks are common, and military enforcers are necessary to eliminate these threats.
Most combatants use firearms in ...
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Designs for copper-gold-silver armor
In this world, the three metals noted above are the only ones available in meaningful quantities, excluding metals inside live organisms.
Obviously, these metals and most of their alloys are softer ...
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Would it be possible to make a brass/wind instrument with a jet engine as the source of airflow?
As the title says, basically. Could you have some kind of musical instrument powered by a jet engine?
It could be an organ, or a tuba, or whatever, it doesn't matter.
I'm understanding and open if the ...
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How bullet resistant would a person be who is 80 times more durable than a regular human?
The tensile, shear and compressive strength of all their tissues, including bone, skin, muscle, etc., is multiplied by a factor of 80. They are also very buff and so have a large body volume.
How ...
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Can magnetic fields be used to either strengthen or weaken chemical bonds? [closed]
My understanding is that magnetic fields compress atoms slightly. Could this conceivably be used in combination with certain substances with very specific properties to strengthen them in the presence ...
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If money were no object, is there an element or alloy that would make for better train tracks than common steel?
A question that arose from here.
Say we have a planet with a different percentage of various elements than Earth, but steam train technology, and we were striving for train track longevity. Is there ...
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Computing technology in a world with only Gold, Copper, and Silver
As the title suggests, in this world there are only three metals available in any meaningful amount: copper, gold and silver. How advanced could computers get in this world? Could things like the ...
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Space-ships and stations...made from cast-iron?
If there's two things i love, it's space-flight, and late 19th century technology, and i hope to implement as much of the latter into as much of the former in my current setting. And one thing that ...
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Alternative chalk board materials
For the sake of context, this is a fantasy setting where this character has no access to magic and lives in a small village. He would like to write a book and since wiriting materials are a little ...
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How long could a sealed room/building smolder and still be capable of a backdraft/flashover when reopened?
As a hypothetical, say a bad dude decides he needs to burn a home for some reason, but doesn't want the fire to be immediately spotted and responded to. He gets the house sealed up to the point where ...
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Is there a material lightning does not strike?
I was imagining the possibilities of creating a ship mast which could not get struck by lightning. Is there a material it could be made of that would never get struck by lightning?
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To what uses would adamant, a rare stone-like material that is literally unbreakable, be put? [closed]
The fantasy setting has (the typical) medieval-level ordinary technology with magic use being a rare craft (although few are completely insensitive to magic — theoretically able to use it — most have ...
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Materials Revolution [closed]
It's 2012, and a big extraterrestrial space vehicle (Secretly created by an ET ultra-intelligent entity) explodes in Earth's orbit, and its pieces crash on the surface and into the oceans.
(The ...
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How Effectively Could You Use Magical Darkness As A Compact Heatsink?
In this setting materials science is decades ahead, so answers should be limited by technology that isn't too speculative and don't presume anything supernatural beyond what I describe in this ...
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What are the best materials for an organic skyscraper one kilometer high?
The tallest structures on the surface of Earth are trees, which can reach 120-130m already. But I want something much bigger. In the setting of my magic-powered sci-fi story, humans use bioengineered ...
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What is the most air-tight substance an organism can produce?
Organisms need oxygen, or at least require an atmosphere. The idea is that life with a fraction of earth's atmosphere would have a hermetic membrane that allows them to maintains the optimal ...
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Advantages and disadvantages of synthetic diamond and carbon nanotube in constructing space habitats
In my science fiction universe, there are two ultra-strong nanomaterials widely used in civilisation. These are carbon nanotubes, and “synthodiamond”; synthetic diamond created using nanotech. Both ...
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is wood a viable material to build space craft?
So, Im writing a sci-fi universe, and a species in said universe is a low-population fox-like humanoid race who live on a forest-covered world. With a society that's like a summer camp and a tech ...
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I live in a solarpunk world. What does my toothpaste tube look like?
We all know that the key to worldbuilding is designing the right kind of the toothpaste tube. Terra is enthusiastic about fossil fuels, plastic, single-use wastemaking packaging, but this world I am ...
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Would Merfolk Cheapen Sea-Silk?
Sea silk is an expensive textile derived from the byssus of pen shells. While it is evidently quite hard for land-dwellers to obtain, it seems uncertain if the same would be true with marine beings
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Are nonconductive carbon nanotubes possible?
So, I am exploring the idea of carbon nanotubes being used as an alternative to plastics in this sci-if universe of mine. They are flexible yet strong, while being biodegradable and nontoxic and so ...
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Heated Adamantine "Bricks" as a Fuel Source
I was pondering a situation where adamantine could be harvested from deep underground, amongst lavaflows, to work as a fuel source.
Facts:
The Adamantine has been heated for millennia at thousands of ...
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Would mechnical resonance-induced decay affecting only hard supplies from Earth be plausible?
The year is 21XX, humans are trying to run away from the hot dumpster Earth has become. Space travel is possible thanks to an accidental tech discovery allowing long-distance jumps in space. The ...
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Best material to make a solar sail
So, in this project o’ mine, a newly-formed world state is trying to whip humanity into shape and is making some major changes to society in order to protect the environment. First thing’s first, no ...
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Best materials to build a worldhouse roof
In an imagined sci-fi universe where immense space habitats and constructs are common (however, nothing reaching nearly the size of a Niven Ring) one of the many forms are worldhouses: planets ...
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What are good heat-resistant materials for writing a self-immolating spellbook?
The magic in question operates on a magical language of runes that give off a constant heat. When the runes are "at rest" (as in, nobody is reading them) the heat is very mild but warms up ...
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How can medieval people defend their settlements from Peasoupers (giant acid slugs)?
Yet another question about the world of Algennon and its many monsters, this one concerning Peasoupers. Basically, they are bright green slime-covered slugs the size of a human head. They have two ...
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What will the 2050's earth atmosphere will look like? [closed]
I'm currently developing a project where i have to design a pair of shoes that will resist all or most of the weather conditions in 2050. Due to climate change, shoes or materials used will change, i'...
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What properties should my fictional HEAT rounds have to punch through heavy armor and ERA?
I have some forcefield shielding in my setting whereby particles act essentially as solid mass armor for all intents and purposes. Warheads grind themselves down against armor just like modern ...
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Alternate materials to build an airship
I am etching out a spec evo project involving small carnivorous sapient beings. I intend these creatures to never discover the secret of heavier-than-air flight, so instead they construct highly ...
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Cities built of ice and compacted snow on a planet where it never melts?
Picture a planet where it's always winter all year (by that I mean that there are technically no seasons and it's always sub-zero weather) so the colonizers make use of the most abundant materials ...
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In what kinds of environments, or in what situations, could a metal like Skarilium occur naturally? [closed]
This will probably be the last time I refine this question.
Either way, here’s the notes for this refined version of the question:
First, Skarilium now weighs 3,200 Kilograms per Cubic Meter and also ...
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Can stone weaponry be sharpened?
Is there a way to sharpen stone weapons?
In a society with no metals whatsoever, which is therefore using stone for their weapons, can the cutting edges of those weapons be sharpened?
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What can we make barrels from if not wood or metal?
In the post-apocalyptic realm, trees are near extinct and metal/plastic is hard to come by and better used to repair things or make weapons. Other materials, like leather, bone, or wool, are still ...
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Can we use magnetic fields to make metalic hydrogen for rocket fuel?
Metallic hydrogen is probably the best possible chemical rocket fuel. It would make single-stage-take-off possible. The trouble is the stuff is extremely hard to contain, and requires exotic fuel ...
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In a world like the one described, in what kinds of environments could a metal like Skarilium occur naturally?
In a previous question, I described a purely-fictional metal that was lightweight and impossibly durable, saying it existed in a world not far off from real life in terms of physics. However, I’ve ...
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How can I get a high-quality blue-colored alloy?
I'm working on a setting in which exists this cabbal of forgers that can work metal with the power of their mind in secret rituals that no man outside their circle can even imagine. They are known for ...
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Tech needed to make combustion light gas gun more feasible on specialized tanks/assault guns
I have an opponent in my setting that can only be defeated by either sustained tank gun rounds using a lot of high velocity rounds (APFSDS) or a few very high velocity rounds. Initially I planned on ...
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What kind of construction material would an advanced intergalactic civilization use to build megastructures?
In my novel, an alien species whose name is temporarily “Alphas” is a Kardashev Type II Civilization and has an entire galaxy under their control. My novel focuses on the interaction between the ...
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What are potential avenues in advanced materials/manufacturing for light, high-strength parts for portable cannons, firearms and ammo, and armor?
In my setting, there's a faction known as International Front that combines guerilla and para-militarism with advanced technology (for a guerilla group).
Their main goal is to fight and conquer the ...
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Primitive weapons built from resin?
I have a creature who harvests resin from trees as a building material. These trees are similar to those on Earth, but not identical (I.e. there is biological wiggle room).
I would like the creature ...
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Mantle drills for harvesting geothermal energy
In the mid-2020s, scientists try to harvest geothermal energy, by using drill equipment that drill deep into the Earth's crust and into the mantle, so that the intense heat can be harvested by pumping ...
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Is it possible for a metal like the Skarilium of my works to exist naturally while also being obtainable for humans in the near future?
In some of the universes featured in my works, a material known as Skarilium exists. This material is used by humanity, in a universe where we’ve successfully colonized the majority of Mars and are in ...
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How large could an aerogel planet get?
Most of the world's lightest known materials are aerogels. In recent years, their mechanical strength has greatly improved, due to the creation of composites, crosslinked forms, and especially ...