Questions tagged [fire]

For questions about byproduct of the combustion of materials.

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75
votes
15answers
15k views

How Long Could an “Eternal” Fire Last?

How Long could an "Eternal" Fire last? At some point there is a fire very spiritually important to a certain people - so important that they build a city around it, and begin developing an empire ...
33
votes
12answers
7k views

Would pyrokinesis be an effective defense?

I've read comics in which someone with pyrokinetic powers was able to block bullets with a sheet of fire. I have three questions How hot would the fire have to be to melt a bullet passing through it? ...
33
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14answers
8k views

How do dragons not burn themselves?

If I were to build a world like Game of Thrones, how would the dragons not burn their own nostrils from the heat of flames?
29
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8answers
5k views

Can a dragon's fire breath be liquid based?

Dragons commonly breathe fire. They can do so over considerable distances, often many times their body length. But this needs to be powered somehow, by a substance that the dragon can generate on its ...
28
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8answers
10k views

Could Wasps and Ants reach the stone age?

In my world, a group of scientists prepare for the "inevitable" extinction of man by manufacturing* true, efficient, social(1) hive minds from Order Hymenoptera, specifically from the wasp waist ...
28
votes
11answers
7k views

Fireproof Plants

Is it possible to have plants that wouldn’t burn? Having the plant getting damaged by fire is fine, but I want the plant not to burn at all. It does not need to survive, it just must not catch fire (...
28
votes
6answers
6k views

Could burning debris keep burning in space?

To have a fire you need three things: oxygen, heat and flammable material, therefore the cold vacuum of space is the last place you would expect something to burn. I was, however, wondering if a very ...
26
votes
23answers
9k views

Why wouldn't dragon-hide make me fire-resistant?

There are two types of dragons in the world today. Smaugs are bat-like lizards that can grow up to 30 feet, with a pair of arms and legs. They also sport a pair of large wings that allow them to fly. ...
24
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14answers
5k views

In a world where death isn't permanent, can being burned alive be made a less excruciating experience?

In the not too distant future, technology is developed that allows human minds to be scanned by nanobots, uploaded to a server, and then downloaded into artificially produced organic bodies, ...
24
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16answers
7k views

Could an accidental fire in a modern city without another disaster at the same time burn down the entire city?

NOTE: I am aware of the recent Grenfell fire. While it inspired this question, I mean no disrespect to the victims of this tragedy. Centuries ago, before modern fire brigades, there were a number of ...
24
votes
4answers
6k views

What happens when two flames meet from opposite sides?

What happens when two flames (whether from dragons or blowtorches) meet head on? Many films make it appears as a front where the two flames repel each other, but my intuition is that, in fact, the two ...
22
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18answers
6k views

Are there any medieval light sources without fire? [closed]

In a world of my story, which is loosely based on medieval times, fire disappeared. Are there any sources of lighting without fire that would be possible in a medieval setting? It is a fantasy book ...
20
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8answers
2k views

How could humanoids master forge fire without using vegetal materials?

I'm building a fantasy world with a humanoid species (basically, "elves") which refuses to use dead wood. Context They don't use dead wood because they don't want to. Consider that trees are sacred ...
19
votes
6answers
2k views

Fire Resistant Fauna

This question is connected to: Fire Resistant Flora I've been pondering a short story concept where a scientific expedition discovered a planet with a huge amount of both free hydrogen and oxygen in ...
18
votes
17answers
5k views

Why would a fire dragon still be afraid of torches?

I can understand that all animals would instinctively stay away from a fire, however for a fire breathing dragon to be warded off by torches seem puzzling to me. What could help explain such ironic ...
18
votes
18answers
4k views

Plausible setting that requires a wearable flamethrower

I've got a story I've started, and realized I have no explanation as to why the main character has a wearable flamethrower. Right now, I'm leaving it as 'He's a youtuber who makes stupid stuff so ...
18
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7answers
4k views

Advanced Technology in a Fireless World?

I have this world in my cosmic garden where open flames are not possible in the primary atmosphere (either not enough oxygen or some other factor that limits free burning of fuel). Given that ...
18
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8answers
2k views

Protective equipment of medieval firefighters?

Heating up with some context I have a kingdom where large patches of forest and dense vegetation lands are lying, ranging from mountainous (al)pine forests to deciduous trees from oceanic or mildly ...
17
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11answers
3k views

How should I calibrate and estimate pyrokinesis?

BACKGROUND I'd like to create a world that includes pyrokinesis, the ability to heat and even combust materials at a distance. This is a low-magic setting, so what I have in mind is not very flashy. ...
16
votes
5answers
4k views

To make a gas giant flammable

(Warning: do not try this at home-system) Preamble Hello humans, we need advice. Let's say we have just successfully defeated and killed a Horror From Beyond Reason who happened to be multiple times ...
16
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2answers
3k views

How could you make a fire appear a different color with medieval tech?

A street performer in the medieval age could make some money. One popular performer is a fire eater. Changing the color of his flames would likely make his popularity rise so that he would make more ...
16
votes
1answer
421 views

What would happen to air flow and fires in an O'Neill cylinder?

I was curious: Suppose we built an O'Neill cylinder with an air mixture similar to Earth's (not pure oxygen). Does the air also get "thrown" down towards the floor of an O'Neill cylinder? If I ...
15
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6answers
2k views

Fire Resistant Flora

This question is connected to: Fire Resistant Fauna I've been pondering a short story concept where a scientific expedition discovered a planet with a huge amount of both free hydrogen and oxygen in ...
14
votes
8answers
2k views

How to activate and deactivate a fire stone the easy way? [closed]

In a world similar set in renaissance times, there are natural occurring stones with the ability to produce flames. The more precious the stone, the higher and stronger quality of the flame/fire. Each ...
14
votes
2answers
540 views

Cremated People Pottery

In my world, families posses family plates containing the ashes or their predecessors. Is it feasible to have crockery made of human ashes? If so, what properties can I expect from the pottery? What ...
13
votes
4answers
674 views

Is there any natural material that could be used to make fireproof feathers?

The general idea I'm looking to support here is that of a bird that produces a natural grease/oil that covers its feathers, similar to real-world waterfowl. Assume the purpose of this oil is to be lit ...
12
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6answers
3k views

How can I set a moon on fire?

So, for reasons which may or may not pop up in a later question of mine, I need to light a small Moon-like moon on fire. Well, sort of. See, I need a small object capable of emitting a lot of light - ...
12
votes
2answers
417 views

Metallurgy in the Carboniferous- Just how much hotter are fires?

The present day atmosphere is roughly 21% oxygen. Historically high-levels might have been as much as 35%, over 66% higher. This made the carboniferous a period of giant bugs and constant devastating ...
12
votes
1answer
297 views

How to modify bee physiology to be able to produce firehoney given nectar that is (magically) flammable?

How would fire honey be useful and manageable to a beehive/bee colony? Info In this scenario, bees harvest nectar from a particular flower. The nectar is not only spicy from capsaicin, but literally ...
11
votes
5answers
2k views

How easily can a medieval granary explode?

The villainous gremlins are attempting to cause as much damage to the lands of the Empire as possible with as little effort as practical. They have numerous plans to this end. One such plan is to blow ...
11
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4answers
2k views

Fire Resistant Armour for a Medieval Era Like Setting

When I say medieval it’s more like a fallen world that went barbaric really quickly. Firearms and combustible fuels have been commonplace so society is still advanced in a way, but is more tribal/...
10
votes
6answers
2k views

Biology of a Firestarter

Biologically speaking, what would be the best real world explanation for a pyro, torch, fire-starter type mutation. Leeching heat energy from the environment might freeze dry your surroundings. ...
10
votes
4answers
2k views

How could an underwater civilization develop fire?

This is the follow-up question to How could an underwater civilization develop electricity?, as mentioned there. In that question, I never addressed how my civilization could have discovered/used ...
10
votes
3answers
369 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 ...
10
votes
5answers
378 views

Fire Producing Organism

I was hypothesizing an organism that could create it's own fire with the use of a flamethrower-like organ. I was thinking that this animal has a oxygen-free organ that hold diethylzinc and when the ...
10
votes
3answers
467 views

What would a modern soldier trained and equipped to operate in burning forests look like?

So, let's just say that the US Military has a tactic that involves setting forests alight and deploying troops there for combat. I don't know if this is plausible, or why they would do this, but I ask ...
10
votes
1answer
599 views

What's the useful range of atmospheric oxygen content for fire?

Fire is certainly high up on the top ten list of mankinds most useful inventions. It allows for a more efficient utilisation of nutriants, is the basis of chemistry and the material sciences, allowed ...
10
votes
2answers
1k views

How could my humanoids have fire resistant hair and skin?

Explanations for fire setting are easier to come by than explanations for fire resistance. Being able to set fires with nothing more than their hands, my 'fire-setters' need protection from the flames....
10
votes
4answers
418 views

Can I justify pyrokinesis / cryokinesis in a psychic-style magic system?

I've been going back and forth on my modern setting's magic system for a while now, but I've settled on a power-set that's closer to psychic powers than traditional magic, because of a couple of ...
9
votes
7answers
1k views

How would a well-equipped Renaissance knight mitigate a dragon's fire breath?

During the early Renaissance, how might a knight-errant equip themselves to mitigate the offensive capabilities of flying, fire-breathing reptiles? It can be assumed that the knight, backed by a ...
9
votes
6answers
3k views

Using Fire For Good? [closed]

It's very rare that fire is associated with anything good, despite being one of humanity's first inventions. But, to a normal person, fire isn't used much these days. Heat is still utilized, but fire ...
9
votes
2answers
1k views

Redox Magic 1: Stone-age France

Because my setting is incredibly varied, I've been advised against attempting to ask this in a single question, and have broken this up into a series. Each context will be roughly analogous to a ...
9
votes
6answers
2k views

What is a good way to explain how a character can produce flames from their body?

So in a webtoon that I am drawing/writing everyone is born with 1 or 2 psychic abilities that can range anywhere from teleportation, sensory manipulation, thermal conductivity, elemental kinesis ...
9
votes
1answer
3k views

What amount of forrest-fire in square km or metric tons, would be necesary to bring oxygen levels below 19.5% that humans require to stay alive? [closed]

I read that oxygen makes up 21% of the Earth's atmosphere. I'm guessing it would take a lot of burning to decrease that level, but I am not sure how to calculate that. The problem is: Roughly 400 ...
9
votes
3answers
376 views

How effective is fire in bathing?

I have a fantasy race that controls fire, and loses their powers when they get wet. They bathe by scarping all dirt and materials off their skin and heating the outside of their body to 600 degrees ...
9
votes
3answers
150 views

Sustainability of Regular Global Wildfires Due to Oxygen Rich Atmosphere

So, I've heard that above around 35% O2 concentration in Earth-like atmospheres leads to wildfires that just never go out. I'm thinking of using this like California, with its regularly occuring ...
8
votes
9answers
7k views

Using fire as currency?

Long ago, modern humans died off. Only a few people remained, and they made all sorts of GMO plants, like moss that grows extremely quickly and can be dried into flour. Houses are made out of wood......
8
votes
5answers
3k views

Would fire/heat powers be actually dangerous?

In a duel, one of the fighter is a fire mage who is capable of producing heat surges in a wave-like pattern. There are flames coming along with it, but it's purely for aethestics and has no physical ...
8
votes
8answers
1k views

Can a person covered in mud survive an ordeal with fire breathing dragon?

In my upcoming novel, my protagonist decided to paint every part of his body in mud before engaging with the fire breathing dragon which dwells at the bottom of a dormant volcano. The flame from the ...
8
votes
5answers
283 views

How can a creature safely set their own fists on fire?

I have a creature (a cat person) that wants to set its own fists/claws on fire, because it attacks via its fists/claws, and is fighting enemies that are fairly flammable. What can this creature do, ...