Questions tagged [chemistry]

For questions that have to do with chemistry, chemical reactions be they biological or artificial, or the industrial processes of chemistry.

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3
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7answers
2k views

Is it hypothetically possible to create a giant levee that is a non-physical forcefield or electronic membrane?

What examples are there in science fiction of molecular shields that can cancel out or "eat" certain molecules--and are they plausible? Is it hypothetically possible to create a giant levee that is a ...
16
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2answers
268 views

A blue flamestorm blasting through a system of big yellow caves?

What I "want": My fantasy world has lots of volcanos. Deep under the surface there is a root-like form of life predominant. It grows in big bundles and searches for important minerals, gases, fluids, ...
-3
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1answer
191 views

An Organic Polymer that can be hardened into a glass like substance?

Continuation question from this: The Biology behind a slime that uses hydrofluoric acid to disable and digest prey. I've designed a slime that has a bunch of acids and non reactive polymers in its ...
8
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2answers
385 views

The Biology behind a slime that uses hydrofluoric acid to disable and digest prey.

So I've been working on a low magic world where magic is actually just another form of energy that can be actualized, similar to alchemy in Full Metal Alchemist. Although development has taken a ...
0
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1answer
185 views

Oxygen producing metabolism

What kind of realistic oxygen producing reaction used by life could exist in a carbon dioxide / ammonia atmosphere? There are also many volcanoes, either immersed or not, water oceans and you can even ...
4
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2answers
559 views

Ammonia planet- atmosphere

On my previously asked question about the biochemistry of life on my ammonia. it leads me to my next question to ask. First things first, the life on this planet is boron based. They breathe methane ...
3
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2answers
118 views

Batteries and resource restrictions

I've prefigured a specific setting as being middling in technological progress when compared with its neighbors. This setting does not have access to hydrocarbons, has severe cultural and political ...
8
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5answers
1k views

Ammonia planets

In an alien atmosphere, where methane is the main gas instead of oxygen and ammonia is the main solvent instead of water. Similar to how photosynthesis on earth plants work, by taking in carbon ...
22
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6answers
5k views

Is there any reason to use tungsten crucibles?

So, in my setting, there are dwarves that make good steel. Shocker, I know. To refine the ore, they rely on the bloomery process like everyone else, using anthracite (when they can get it), charcoal (...
13
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6answers
4k views

How can I dissolve metal hinges safely?

So, I've wound up in jail again (not my fault - I didn't start that fire, honest!) and I need to get out of here before the mayor has a chance to check his safe. Unfortunately, I left my lockpicks in ...
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6answers
7k views

Could Cobalt bind to nitrogen the same way iron would to oxygen in an alien respiratory system?

I'm making this whole other alien world and I made it an ammonia world, so there is a lot of nitrogen in the atmosphere. Would nitrogen be a good gas to breathe in an ammonia world and would Cobalt be ...
2
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8answers
11k views

A chemical other than alcohol that lowers inhibitions

I'm looking for an existing drug or chemical that most closely matches the following criteria, which will be listed from most to least important: lessening of social and moral inhibitions doesn't ...
17
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2answers
676 views

Regrowing body parts: What are the costs?

Everybody has seen superpowers like superstrength, flying, and regeneration. While flying and superstrength are quite straightforward regarding the energy cost, regeneration is not. In this question, ...
5
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4answers
4k views

Could there be a helium based life form somewhere in the universe?

I've been thinking, could there possibly be an organism that is based on the element of helium? If yes, what would it look like? (Images are welcome)
5
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1answer
262 views

Energy cost of creating body parts from nothing but energy

What amount of energy would you need to expend to create an arm out of nothing but energy? Of course we have $E = m c^2$ telling us the energy any amount of mass represents. Given the average of a ...
7
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2answers
170 views

Cross-linked polymers available to pre-industrial people?

Cross-linked polymers are vitally important materials used all the time in modern life. For example, the resins used in composite materials are usually some type of cross-linked polymer. What type ...
2
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5answers
290 views

Is the idea of being “fused” to/into a material as a result of a teleportation accident plausible?

Assuming it were possible to phase through matter/teleport, is it possible within the laws of physics/chemistry to end up stuck/fused to solid materials? Obviously we lack the real world ability to ...
0
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1answer
71 views

How might an advanced civilization separate astronomical amounts of Magnesium Ions from astronomical amounts Oxygen Ions?

An advanced civilization collects enough Magnesium and Oxygen, from all over the Galaxy, to equal the mass of a star, and then reacts the Magnesium and Oxygen to produce Magnesium Oxide. The ...
2
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1answer
292 views

What Would Beaches Look Like if Silicon Didn't Bond to Oxygen?

I was on a beach recently and was contemplating what it would look like if Silicon just didn't bind oxygen very well/at all, perhaps similar to gold. I'm not sure if something else would take the ...
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3answers
227 views

Chlorine Trifluoride-producing microorganisms

Quick Context Basically I need one of my charaters to produce a lot of chlorine trifluoride, but human biochemistry wont allow that, so I was going to get a micro-organism to do the job and produce it ...
2
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1answer
189 views

Chemoautotrophs and human edible food? [closed]

Autotrophs are lifeforms that consume simpler molecules than the large protein, carbohydrate and lipid molecules that heterotrophs like humans ingest, these large molecules are made by autotrophs and ...
5
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3answers
3k views

Metallic oxygen as a possible future material?

I'm researching possible materials that maybe be used in the far future. I came across something called metallic oxygen. If oxygen is compressed to 10GPa, it turns into a dark red solid O8. If this is ...
5
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3answers
10k views

Making Gunpowder out of Corpses

Story Info On a fallen world that still has firearms. Society is still advanced in a way, but is more tribal/feudal in nature. There is an armed priesthood that preaches and deals in death. To the ...
5
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1answer
707 views

A world where underwater fire is possible [closed]

We perceive water as a fire extinguisher, based on observations related to the atmospheric conditions on our planet. However, Let's see if we can circumvent this limitation. Actually, water ...
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4answers
284 views

Can we produce Iodine element? [closed]

Can we produce Iodine element that is different from Iodine in salt? (The Iodine should be a new production and not made from separating other chemical compounds). If we can produce this element, is ...
7
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3answers
377 views

killer mechanism/organism similar to rust and virus

I need a mechanism/organism similar to rust and virus, that will both impair the ship's components AND will kill crew, so the only thing left are a few lucky survivors on a crippled ship. Presumably ...
9
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2answers
130 views

How do puffer lizards puff up into flight so quickly?

** * Xenobiology expedition 'Profundity': Log entry 634 * ** These things are remarkably tricky to study!! Puffer lizards live on the open salt pans of Arbslex IV (an incredibly Earthlike planet), ...
2
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1answer
129 views

What’s the longest amount of time that a can of soda could stay fresh? [closed]

In the fallout series, people are often seen drinking Nuka-Cola, a rip-off of Coke. The earliest fallout game is 80 years after the war, the latest was 210 years. So how the hell could soda last that ...
2
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3answers
192 views

How could I explain an alien species' non tool based plant manipulation without using magic?

I'm trying to find a way to explain an alien species' ability to control plants, specifically plant growth for crops, without it being 'magic.' So they can ensure the health and size of the plants ...
2
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3answers
383 views

Life without excretion?

Is it possible with some chemicals as intake for humans to completely convert the food/chemical to energy to survive? This is similar to when we are talking about clean energy where water and some ...
7
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6answers
2k views

Projectile that crystallizes a target

Can arrow heads containing certain substances cause skin and flesh to crystallize, giving the impression of the target being frozen? Do such substances exist?
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2answers
163 views

Synthetic Opiate Based Chemical weapon

So the idea is for chemical weapons to come back into use because they are marketed/propagandized as humane. I got the idea from a documentary on how easy it is to overdose on Fentanyl. Basically the ...
6
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2answers
805 views

Realistic applications of alchemy?

The original dream of the alchemists was to turn base metals into gold, however it's quite obvious that after that becomes cheap and easy it becomes basically useless since much of gold's value comes ...
5
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0answers
118 views

Are fullerenes a capable/reliable “part” for my microorganism to work? [closed]

What I need the microorganisms for They collect and store chemicals, can be manipulated to do what a bigger life form wants. With enough of these microorgansisms and some knowledge of chemistry one ...
5
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2answers
242 views

Is my idea for a creatures natural armor plates realistic?

First of all: I don't think that diamond is a good material to use. It isn't even really resistant to pressure. So... it's a stylistic choice and of course I want to know if nature could be this crazy....
5
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4answers
315 views

Would naturally occuring room temperature superconductors affect a planet?

Say we have a planet, similar to Earth, which has deposits of a naturally occuring superconductor. Perhaps have it about as common as deposits of gold - Moderately rare, but occurs in veins as opposed ...
10
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3answers
371 views

Bio ChlorineTrifluoride Pyrogenesis

So Chlorine Trifluoride is a very dangerous chemical known to burn through things like concrete and asbestos. It's so bad that the Nazis, THE NAZIS, decided it was too dangerous to use. So I need an ...
9
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4answers
330 views

How could a country broadcast digital data through tap water (instead of radio waves)?

Background: I'm toying with the idea of an alternate Earth that never developed wireless technologies. Radio transmitters, Wi-Fi, etc... were never invented, meaning that light-speed communication is ...
0
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1answer
861 views

Azidoazide Azide Storage and Weaponization

AA (azidoazide azide) is a hyper-explosive 14 nitrogen molecule. My questions are: what are some theoretical ways to store it so it doesn't explode on you but on the enemy you throw it at, and what ...
3
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3answers
327 views

How to justify a scarcity of sulfur minerals, and the impact this might have on a fantasy world

I want to create a convincing world where gunpowder is a rare and expensive commodity, allowing swords and plate armour to still be used effectively despite the world having current level of ...
3
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1answer
393 views

Scavenging metal resources in post-apocalypse after 100 years

This is another question for a setting I mentioned in previous questions (currency, ammo). The setting is: It's happening in post-apocalyptic SE Europe (Balkans specifically), about 60-80 years from ...
1
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1answer
144 views

Any poisons that mimic Syphilis?

In my tabletop RPG story the wife of a rich noble killed her husband. Her story is that he cheated on her and when she told him that she knew, he tried to kill her and she only defended herself. ...
5
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1answer
193 views

Could N2O be a major constituent in an exo-planet's atmosphere?

Say there would be plants that release a lot of N2O (nitrous oxide or laughing gas). On Earth, N2O is a trace-gas and it is pretty stable. In our atmosphere it has a half-life of > 100 years, and as I ...
22
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7answers
3k views

The Least Interesting Substance

There are many interesting places, many interesting worlds. This world is not one of them. It has an argon atmosphere, and the planet itself is made of a very unreactive, insoluble, extremely ...
3
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2answers
582 views

What reasons could there be for cement not setting?

I'm writing a scene set on a construction site where the builders notice that the cement they pour is not setting: it just remains in its liquid state or it is taking a very long time to set. This is ...
2
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2answers
193 views

Ways to produce atmosperic aphrodisiacs [closed]

I am a big player of Stellaris and some of the planets have the modifier Atmospheric Aphrodisiac so I was wondering, how could we achieve a planet wide production of aphrodisiacs. The phenomenon ...
6
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1answer
114 views

Would crystal-asteroids filled with a gas like iodine be plausible to refract light into making a coloured sky?

So I would like a coloured sky in my world, but I want it to be plausible. I'm not so good at science and the like but I've been doing a lot of research. If crystal-like asteroids filled with ...
4
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3answers
176 views

Organic Thermoelectric Phase Change Material

So I was designing some aliens who exhale colder air that they take in and one person gave me a really great suggestion, using phase change materials in the creature's make up to absorb the heat from ...
3
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6answers
1k views

How can a starship be hardened against EM-based attacks

Lets assume i have a capital starship that needs to be made resistent to electro-magnetic attacks, either by a nuke' pulse or a by more direct way to "apply" EM (radiation) attacks - how could ...
18
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5answers
2k views

Understanding which materials can be found on planets

I am making a science fiction computer game where you can travel between planets. I would like the planets all to have some kind of differing materials. Now I have no idea about which kind of "...

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