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Q&A

Posts tagged chemistry

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Q&A What type of chemical catastrophic event might reduce the bioavailability of iron?

I am imagining a world where an astronomical event occurs, like Earth collides with a comet, and humanity is all but wiped out. In their desperate attempt to recover, humans enter a form of stone a...

6 answers  ·  posted 5y ago by AdamO‭  ·  last activity 5y ago by AdamO‭

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Q&A A weapon to rapidly change the Earth's atmosphere

I am seeking information and ideas from all you clever people. What I am trying to imagine is a chemical reaction that would change Earths atmosphere rapidly into something else which would be mo...

4 answers  ·  posted 5y ago by FireMonster‭  ·  last activity 5y ago by FireMonster‭

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Q&A Is it possible for a creature to exist that uses lye instead of acid to digest food?

As far as I could gather the digestion relies on enzymes which in turn set requirements for pH. Is it possible for an alien creature to have a different set of enzymes that require basic environme...

2 answers  ·  posted 5y ago by MadCake - Reinstate Monica‭  ·  last activity 5y ago by MadCake - Reinstate Monica‭

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Q&A Which hydrogen halide to have in blood to replace water?

So I want to have an alien creature on a planet with a halogen atmosphere. It will have to be at a temperature where the hydrogen halide is liquid or solid. This hydrogen halide I would have as th...

2 answers  ·  posted 5y ago by Caters‭  ·  last activity 5y ago by Caters‭

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Q&A What would prevent chimeras from reproducing with each other?

There exists a polymerization spell that allows distinct animals to combine with each other, creating an entirely new creature. The beasts in question are held in transumutation circles linked by l...

7 answers  ·  posted 5y ago by Incognito‭  ·  last activity 5y ago by Incognito‭

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Q&A How to produce milk that's similar to blood?

How could a mammal produce milk which resembles blood? The blood milk should keep as many properties of milk as possible, curding for example, while resembling blood as much as possible. The mamm...

3 answers  ·  posted 5y ago by Halhex‭  ·  last activity 5y ago by Halhex‭

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Q&A Assassin's bullet with mercury

This is something I have been wondering: if an assassin wanted to kill their target with a bullet from a sniper rifle, can they dip it in liquid mercury so even if the bullet itself doesn't kill th...

10 answers  ·  posted 5y ago by Nathan Hopp‭  ·  last activity 5y ago by Nathan Hopp‭

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Q&A The Ancient Guardian

In my world there is an old human guarding something of great significance. All chemical reactions in their body have been slowed down to a microscopic fraction of what is deemed usual*. Once the ...

3 answers  ·  posted 5y ago by A Lambent Eye‭  ·  last activity 5y ago by A Lambent Eye‭

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Q&A Membrane impermeable to $N_2$ but permeable to $CO_2$ and $O_2$?

I'm looking for a way to bypass the bidirectional diffusive gas exchange that happens in human alveoli, to allow aquanauts to breathe a standard Nitrogen-Oxygen air mix at very high pressures (up t...

4 answers  ·  posted 5y ago by Algebraist‭  ·  last activity 5y ago by Algebraist‭

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Q&A Are these atmosphere compositions for habitation in space plausible/do they cause problems I don´t see?

On Earth, our atmosphere contains 78.09% nitrogen, 20.95% oxygen, on average around 1% water vapor at sea level, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. Looking through...

2 answers  ·  posted 5y ago by TheDyingOfLight‭  ·  last activity 5y ago by TheDyingOfLight‭

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Q&A 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), charcoa...

6 answers  ·  posted 5y ago by Horik‭  ·  last activity 5y ago by Horik‭

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Q&A Creating a scientifically semi-valid super-soldier, part 8: Communication

Previous parts here: Creating a scientifically semi-valid super-soldier, part 1: Skeleton Creating a scientifically semi-valid super-soldier, part 2: nervous system Creating a scientifically semi...

4 answers  ·  posted 6y ago by Demigan‭  ·  last activity 5y ago by Demigan‭

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Q&A Need a suitable toxic chemical for a murder plot in my novel

I need ideas for a chemical or disease which kills the victim upon holding it in the palm for about 4 or 5 seconds. The death isn't necessarily immediate, as it might take days to kill the victim i...

8 answers  ·  posted 5y ago by user63214‭  ·  last activity 5y ago by user63214‭

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Q&A How could indestructible materials be used in power generation?

Background: In this scenario assume technology is initially equal to our own, but a method is discovered to render material indestructible. The affected material is treated as requiring infinite o...

17 answers  ·  posted 5y ago by Vakus Drake‭  ·  last activity 5y ago by Vakus Drake‭

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Rigorous Science Can you forge iron from oxide dust?

I've been looking over the internet and on here to find some kind of evidence for this, but nothing conclusive, so I was hoping for people with a better understanding of smelting, chemistry and phy...

1 answer  ·  posted 5y ago by Nierninwa‭  ·  last activity 5y ago by Nierninwa‭

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Q&A Are atoms present in the vacuum of space?

I'm currently writing this story where an intelligent lifeform, instead of human eye-sight, is able identify the chemical composition of their surroundings, by detecting and "mapping" all the atoms...

3 answers  ·  posted 5y ago by Alex‭  ·  last activity 5y ago by Alex‭

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Q&A Are healing potions scientifically plausible?

As clarification we're talking about those common fantasy healing potions that recover health over time and their scientific plausibility. Here are some results from my research on the subject: Mo...

3 answers  ·  posted 5y ago by Wel Wyrmin‭  ·  last activity 5y ago by Wel Wyrmin‭

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Q&A Could genetic engineering enable humans to make use of titanium or some similar material instead of calcium for bone formation?

I'm planing to create "super powers" born out of genetic engineering, but I don't want magic miracle stuff like an x-man, I'm looking for a realistic approach, so overall can you modify the materia...

1 answer  ·  posted 5y ago by Eric‭  ·  last activity 5y ago by Eric‭

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Q&A Can the Meissner effect explain very large floating structures?

James Cameron's Avatar featured floating mountains which stayed aloft due to the Meissner effect; they contained large quantities of the room-temperature superconductor unobtainium, which, due to t...

3 answers  ·  posted 5y ago by SealBoi‭  ·  last activity 5y ago by SealBoi‭

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Q&A By any scientific/pseudo-scientific means could plasma be used to increase the lifespans of living creatures?

In my semi-realistic science fantasy RPG, I want there to be a newly discovered chemical element that is perfect at generating plasma for use in various futuristic weapons and to increase the lifes...

2 answers  ·  posted 5y ago by Niobium_Sage‭  ·  last activity 5y ago by Niobium_Sage‭

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Q&A Creating a scientifically semi-valid super-soldier, addendum: Metabolism

A while back Demigan had a running series of posts about various aspects biological enhancement for the purpose of designing super-soldiers with an element of (pseudo) science behind them. You ca...

3 answers  ·  posted 5y ago by MarielS‭  ·  last activity 5y ago by MarielS‭

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Q&A Carbon cycle on planet with mainly CO2 atmosphere

What effect would having CO2 in your atmosphere in place of, on earth, Nitrogen have on the carbon cycle? would the carbon cycle even work? I'm engineering A theoretical tidally locked planet with ...

2 answers  ·  posted 5y ago by Leo Fisher‭  ·  last activity 5y ago by Leo Fisher‭

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Q&A What kind of transports would be invented in a world with an enhancer-material?

You have a material that greatly enhances electric and magnetic sources or electro-magnetism in general. In this world, the material, is known to be a naturally occurring liquid found in geologic...

3 answers  ·  posted 5y ago by CashewsFuel‭  ·  last activity 5y ago by CashewsFuel‭

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Q&A How would a creature produce and store Nitroglycerin?

This question began due to a certain fictional monster. Where it was stated to be able to secrete explosive goo activated by its saliva, which would coat its boulder-like arms and explode when smas...

7 answers  ·  posted 7y ago by Skye‭  ·  last activity 5y ago by Skye‭

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Q&A Could a living creature produce graphene?

The thing about organics is that they can very precisely build themselves up, from a molecular level. They can take various, otherwise useless stuff like goethite and chitin and, through the power ...

6 answers  ·  posted 5y ago by Mephistopheles‭  ·  last activity 5y ago by Mephistopheles‭

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Q&A What's strongest non-nuclear explosive I can make with nanotechnology?

Can I use nanotechnology to make the strongest possible non-nuclear explosive (when compared to the equal amounts of other explosives) or are we already at the peak-level of what can be achieved wi...

2 answers  ·  posted 7y ago by Mephistopheles‭  ·  last activity 5y ago by Mephistopheles‭

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Q&A How can I feed an entire population on corpses?

In the grim darkness of the far future, there is only war. The world has become a barren wasteland that is inhospitable to the the human race, which has been forced to take residence in hive cities...

5 answers  ·  posted 5y ago by Incognito‭  ·  last activity 5y ago by Incognito‭

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Q&A Can you create a living vehicle fueled by organic material?

In this world, the vehicles are effectively re-engineered insects; enlarged bio-manufactured nervous systems used instead of engines; factory grown lightweight chassis / [wheels]. The fuel station ...

4 answers  ·  posted 5y ago by Aloysius Anise‭  ·  last activity 5y ago by Aloysius Anise‭

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Q&A Could a human grow up larger by manipulating their endocrine system?

In my world there are a group of female warriors with an unusual ability: the resources of their bodies are fungible. For instance, they can make the muscles in one part of their bodies stronger a...

1 answer  ·  posted 5y ago by rsandler‭  ·  last activity 5y ago by rsandler‭

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Q&A What color should the snow be in this chlorine world?

This question is in the same context (the same world) proposed by Steven L. Gillett in his book: "World-building". And actually there have been some other questions about this same chlorinated worl...

2 answers  ·  posted 5y ago by Carlos Zamora‭  ·  last activity 5y ago by Carlos Zamora‭

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Q&A Creating a gas/substance that prevents or inhibits aggression?

Deep within the labs of Nox (the company that brought Soma to the masses) a group of radicals lost in the company bureaucracy are trying to make a substance that either prevents or mitigates aggre...

2 answers  ·  posted 5y ago by Celestial Dragon Emperor‭  ·  last activity 5y ago by Celestial Dragon Emperor‭

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Q&A Carbon cycle in a sulphur-based biochemistry

I'm designing a world with advanced life forms that use a sulphur-based biochemistry (see this link for context). I would like to create a carbon cycle analogous to Earth, where: Photosynthesis t...

1 answer  ·  posted 5y ago by Allie Enfield‭  ·  last activity 5y ago by Allie Enfield‭

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Q&A Can humanoids be reborn from a tree?

Details: A culture of dryads has a strange death tradition. When a dryad dies there's usually a medic, or better say a "shaman" that rips a strange looking organ or gland off their head. The gla...

4 answers  ·  posted 6y ago by Ekaen‭  ·  last activity 5y ago by Ekaen‭

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Q&A Lembas bread (2000 Calories per bite)

In the lord of rings the elves invented an incredibly nutritious bread/biscuit, as Legolas clearly says only a small bite is just enough to satisfy the needs of an adult man for 1 day. An adult ...

13 answers  ·  posted 7y ago by Charon‭  ·  last activity 5y ago by Charon‭

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Rigorous Science Ultrapowerful chemical propellant for guns

I'm building a moderately hard scifi future setting that focuses on space and land warfare and I'm trying to decide what would be the most realistic from an engineering standpoint of artillery tec...

5 answers  ·  posted 5y ago by A.boj‭  ·  last activity 5y ago by A.boj‭

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Q&A How many litres of gaseous helium would it take to lift 80 kg on Earth?

I have dragons in mind for my world, but I'm trying to find logic in how would a medium-sized anything fly off and still be a danger to humans. So far, I have a lizard-like cheetah with wings, ho...

3 answers  ·  posted 5y ago by Alright itsCRO‭  ·  last activity 5y ago by Alright itsCRO‭

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Q&A Exploding vertebrates

Colobopsis ants explode when they are losing a fight, a behavior which is probably meant to discourage predators from hunting that species. It may also turn tides when in ant wars for territory. W...

1 answer  ·  posted 5y ago by Renan‭  ·  last activity 5y ago by Renan‭

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Q&A Designing a planet that would have the greatest chance of developing silicon based life

What conditions might make a planet more likely to develop silion based life, the factors I need to kmow are listed below Temperature of the planet The solvent that they can use in their biology ...

4 answers  ·  posted 7y ago by Stephanie‭  ·  last activity 5y ago by Stephanie‭

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Q&A How can I turn diamond into graphene?

The goverment of Africa decided that it would no longer tolerate the diamond mafia, so the corporation of DeBeers was hunted down and disbanded, to put it lightly. Now, all the diamond mines have b...

1 answer  ·  posted 5y ago by worldbuilder‭  ·  last activity 5y ago by worldbuilder‭

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Q&A How long would it take a body to decay and the bones to fall to the ground from a tree?

Death occurs in extremely high humidity and an average temperature of 23 C (~75 F), both of which continue for six weeks. At that time, temperature begins to fall over the course of eight weeks to...

5 answers  ·  posted 5y ago by Stephen‭  ·  last activity 5y ago by Stephen‭

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Q&A How would technology adoption of Lithium Air battery work?

I want to have a world when humans got serious about global warming and succeeded in making Lithium Air battery work. Since the lithium air has same potential energy density as gas, and electric en...

2 answers  ·  posted 7y ago by Care_Bear‭  ·  last activity 5y ago by Care_Bear‭

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Q&A Would it possible for a creature to melt down rocks in its stomach and spit out lava?

Worldbuilding and biology have always been two huge passions of mine, especially when it comes to dragons. So well, at the moment I'm working on a little project in which I'm attempting to make dif...

2 answers  ·  posted 5y ago by Lilian Silva‭  ·  last activity 5y ago by Lilian Silva‭

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Q&A 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 me...

2 answers  ·  posted 5y ago by Wither Fang136‭  ·  last activity 5y ago by Wither Fang136‭

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Q&A What could be used as an alternative to ATP in boron based biochemistry?

I have created a life form that is based on the element boron. As a substitute for DNA it instead uses Diborane as a building block. I've come across a problem however that I can't seem to get arou...

2 answers  ·  posted 5y ago by Wither Fang136‭  ·  last activity 5y ago by Wither Fang136‭

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Rigorous Science Is it possible to make high-compressive-strength cement on Mars?

I was having fun reading this article about making cement on the moon when I asked myself (and now you), is it possible to make a suitably high-compressive-strength cement on Mars? Since concrete...

4 answers  ·  posted 5y ago by JBH‭  ·  last activity 5y ago by JBH‭

Question mars chemistry
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Q&A Chemical process for a radiosynthetic Ganymedian organism?

I'm trying to build an underwater ecosystem under the ice crust of Ganymede. I know Jupiter emits a large amount of ionizing radiation and synchotrons and thought that would maybe be able to replac...

3 answers  ·  posted 5y ago by AJ D.‭  ·  last activity 5y ago by AJ D.‭

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Q&A Are there chemical elements deadly to mushrooms but not to humans?

Are there any chemical elements dangerous to fungus/mushrooms that wouldn't threaten the human species. The chemical elements I'm looking for would be in the periodic table of elements. It doesn...

1 answer  ·  posted 5y ago by Erubisu‭  ·  last activity 5y ago by Erubisu‭

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Q&A What changes to the brain would occur in a werewolf transformation?

With typical modern depictions of werewolves (ie: turning into wolf-human hybrids) the victim suffers temporary amnesia and a loss of personality while transformed, is put into a state of extreme p...

1 answer  ·  posted 5y ago by Zauber Paracelsus‭  ·  last activity 5y ago by Zauber Paracelsus‭

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Q&A 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 produc...

3 answers  ·  posted 6y ago by Amoeba‭  ·  last activity 5y ago by Amoeba‭

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Q&A Security against "truth serum" by means of a drug poisonous in combination with sodium thiopental

The secret police of my fictional country (unoriginally) uses sodium thiopental in medical interrogations, usually in combination with various forms of physical torture. An antagonist (a courier o...

2 answers  ·  posted 5y ago by MedwedianPresident‭  ·  last activity 5y ago by MedwedianPresident‭