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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5
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6answers
4k views

Could you weaponize LSD gas?

Yesterday I was thinking about LSD, and how drugging an enemy soldier with it would probably really screw up their plans of staying safe and being alive. The problem I'm still having, though, is the ...
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4answers
665 views

What are some biochemical alternatives to carbon?

I am making a universe and I thought that it would be unrealistic for all life forms in my entire universe to be based upon carbon. I am aware of silicon as a possible replacement, but I'm looking ...
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2answers
149 views

Where will I spend eternity [closed]

I walked past a church today, and it had a poster outside saying 'Where will you spend eternity' Which got me thinking Ignoring what my immortal soul might get up to, where will my body spend ...
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1answer
217 views

Methanol/Ethanol (other alcohol) based life-form and its planet? [closed]

This is the second part of my first question, where I've asked about an alien-civilization which uses methanol/ethanol/other alcohol as a solvent instead of water. In this question, I'm more ...
3
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2answers
1k views

Methanol/Ethanol (other alcohol) based life-form - aliens?

Purely hypothetical and kind of creative quesiton. My idea is an alien humanoid-like civilization (and basically everything alive on that planet) which uses methanol/ethanol or other alcohol as a ...
16
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5answers
4k views

Oxygen - 100% plant-free!

Context for Question The colonisation of the planet [ INSERT NAME ] was an enormous social experiment performed by the Terran Planetary Science and Terraforming Council; this previously-barren world ...
90
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17answers
15k views

Are there logical gaps in the periodic table in which you could insert a new mystery element for use as a fuel?

As in the title. We have the modern periodic table: In a potential near (or far) future setting humanity discovers a new element which serves as the basis for a cleaner, higher energy density fuel ...
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2answers
342 views

Universe where Earth fire, air, and water would actually be the four elements? [closed]

In ancient times it was believed that the four elements that made up the universe were Earth, fire, air, and water. I was thinking of a universe where there are four basic elements that are similar ...
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10answers
4k views

How can I keep my Love Potion formula from being stolen? [closed]

I finally managed to make and test my Love Potion, and I'm ready to sell tiny vials at exorbitant rates. But I'm afraid someone is going to analyze it, and steal the recipe. Is there a way to lock ...
4
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1answer
305 views

Breathing underwater

A few years ago, an isolated tribe was found in the middle of South America. They seemed to be a normal tribe, but near their village is a lake with a special property- you can breath underwater ...
3
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3answers
131 views

What's a macroscopic chemical unit as a scale for alien communication?

Let's say we're composing a message intended for radio transmission to intelligent alien life. We'd like to talk about sizes and distances, so we'll need a unit of length. We're already planning to ...
4
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1answer
269 views

How much Sulfur Dioxide is needed to freeze life on earth?

This is inspired by What single element could destroy the world?. Injecting sulfur dioxide into the atmosphere has been proposed as a mechanism to relieve the symptoms of global warming by creating a ...
2
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1answer
201 views

Materials for a nanofabricated giant monster

In How large a bioengineered mobile lifeform could exist on Earth?, I asked how big my nanoassembled war beasts could be, and it was suggested that I make my question more specific. I am designing a ...
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4answers
769 views

What common chemical/physical reactions would, in an atmosphere composed of ~20% Oxygen and ~80% Argon, behave differently than on Earth?

Ignoring how this sort of atmosphere would come about, what are some things that happen regularly on Earth that would be altered by this sort of atmosphere? Example: Would firearms still ignite ...
8
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3answers
457 views

Will my worlds not be salty enough to support animal life?

I read on the cooking.stackexchange site that all natural salt on Earth was created by seas and oceans, starting with primordial oceans four billion years ago. This got me thinking about my fictional ...
3
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8answers
837 views

How to destroy/decimate life on earth with chemicals?

If a country could produce compounds magically within a foot of them, given that the necessary atoms/elements are already there (could convert water to hydrogen peroxide, coal to diamond, Salt and ...
25
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7answers
4k views

What are some plausible super materials? [closed]

Background Science fiction is rife with "super materials". Most often the materials are made from elements unknown to Current Era (CE) science. They use names that make us think of elements without ...
3
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2answers
283 views

Carbon-based life planet with a plenitude of infinite energy crystals. Could it exist?

Carbon-based life planet with a plenitude of infinite energy crystals. Could it exist? Somehow, when my planet cooled down, there were crystals that output a fixed amount of electromagnetic radiation ...
15
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1answer
10k views

Drug which lets you forget everything

We all know how the story starts: He woke up in strange room, not remembering who he was or how did he got to the room. But that was not his problem. Problem was the first writing he saw: "HELLO, I ...
11
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4answers
778 views

Chemistry in two spatial dimensions?

I know that someone has asked how chemistry would be in four dimensions but I was wondering what would chemistry be like in two dimensions? From what I understand, in two dimensions, particles, ...
28
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2answers
798 views

Hydrogenenic Photosynthesis: Strategies for animals

Hydrogenic photosynthesis reduces methane and water to build biomass ($\text{CH}_2\text{O}$) and releases hydrogen: $$\text{CH}_4 + \text{H}_2\text{O} + \text{photons} \to \text{CH}_2\text{O} + 2\...
6
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3answers
543 views

Parallel universes, mirrored

My question regards mirroring, specifically what you would expect from a universe that was mirrored from the perspective of our own, regarding its interactions with our own. The mirroring works ...
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2answers
252 views

What are chemicals that would harm a person, but not one of flight? [closed]

So, one of my characters are trapped by a bunch of people. He's a mutant that evolved to be able to fly. (A pair of bat-like wings, hollow bones, air sacks, etc) His friend needs to cause a ...
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3answers
553 views

How would humans eradicate an organism that can actively spread through Earth's atmosphere?

So let's say that an alien civilization that we have made enemies with decides to use an advanced non-lethal biological weapon on the Earth as a warning. The aliens, while not infamous for any ...
3
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3answers
620 views

What is required to make watery, blue-white colored jovian planet at habitable zone of a star

Background In my story, HD 28185 star system harbors life. One of them is a jovian HD 28185 d (Subralis), located around 1AU of this sun-like star. In-universe, Subralis is approximately 132,000 ...
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4answers
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Is this concept for an LTA-gas' associated element lifecycle feasible?

Introduction: I've spent some fair amount of time thinking about inventing an element to make part of my world easier for me. In this case, it is an LTA gas which I gave the WIP name LAL-gas (Leichter ...
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2answers
226 views

Dissipate blizzard?

Is it possible to dissipate a blizzard with a chemical component? Or maybe with a special machine? There are no limits here except that the technology is gunpowder-renaissance-Napoleonic technology. ...
2
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4answers
4k views

Liquid that melts wood?

Is it possible to have through magic to alter the chemical components of a part of sea water to melt boats? This is science based since I only need to know what components would melt the wood of ...
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3answers
1k views

What are the dangers of using fusion rocket engines in atmosphere?

As far as I understand, when you fuse deuterium (H-2) and tritium (h-3), you get a helium atom and a spare neutron. Basically alpha-rays? Now alpha rays are easily blocked by matter. You can block ...
6
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6answers
446 views

Mechanisms behind different metabolisms for regular and synthetic food

In this world I'm building, a bunch of previously inactive genes in humans have started expressing, and changed newborns' metabolic system dramatically. As a result, a portion of population cannot ...
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5answers
819 views

Aliens want our water [closed]

Aliens, for some unknown reason, want all the water (H2O) in our oceans, seas, lakes, rivers, (all large bodies of water on earth), and plan to steal it from us overnight. Luckily for us, they don't ...
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8answers
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Are diamond berries possible?

Diamonds are carbon. Plants take in CO2 and use the carbon. Chemically, could the right kind of plant have diamonds for berries, or is there some other limiting factor?
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3answers
626 views

What would the flora on a Methane world be like?

Linked: What would animal life on a methane world look like and how would it evolve? What would the conditions on a methane world be like? How would an intelligent race on a methane world achieve a ...
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6answers
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How would a person with modern knowledge of chemistry and medicine fare in Ancient times?

You were born in Rome, when the Roman Republic was still in power. Your father is an upper middle class merchant and you are (or will be) the sole inheritor of his wealth. One day, a ...
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1answer
153 views

What could be a chemical cause for insomnia? [closed]

Would it be possible to realistically invent a substance that causes insomnia? What would be the uses and consequences of such a substance?
45
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1answer
6k views

What would the periodic table of a 4-Dimensional universe look like?

In this question, I asked about a universe with (amongst other things) 4 large spatial dimensions. In 3 dimensions, we have the familiar periodic table with its familiar arrangement of atoms in the S,...
4
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5answers
313 views

What would be a naming element convention to distinguish between different carbon-based life forms?

I have an alien race that is carbon-based, like life on Earth, but this alien life uses different essential elements in their biochemistry than those elements used on Earth. I'm trying to come up ...
14
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2answers
783 views

Alternative absorption spectra for plants

Chlorophyll-a (the primary one), chlorophyll-b, and(?) beta-carotene (plus other accessory pigments / carotenoids) dictate which portions of the EM spectrum are used as energy by plants. Plants only ...
44
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9answers
11k views

How could I scientifically explain ice breath?

I'm sure there have been questions on here about fire-breathing dragons, and I recently saw a question about a lightning-breathing dragon, but back in fifth grade I wrote a 150-page story about a ...
17
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6answers
2k views

How would I transport an atmosphere?

An abandoned outpost from a long extinct race is discovered. It can easily be repaired and would make an ideal location for a colony, however it has been breached and any usable air has been long ...

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