@@SmolBloof well I mean the whole thing about firebending is that it's a conversion of energy into fire, and that lightning is what happens when you separate positive and negative energy internally. which is just what electricity is.
You can see the neutral particles in the smoke just go straight up only affected by eddys and currents produced from the movement of ions in the smoke towards their reciprocate charges. Very revealing.
Fun fact, this is how your furnace knows if the fire is lit or not. The flame sensor has a 90v AC potential on it, and this 90v is shorted to ground through the flame. The control measures the current and can determine if the fire is lit, or if it needs to try again.
Always refreshing seeing another fellow with some hvac knowledge. Just changed an inducer motor out yesterday for a friend. I explained to him exactly what you said when telling him about how the system heats
It is my understanding that the flame actually acts as a rectifier and the board in the furnace senses the current flow in mA DC. This way the furnace control board can distinguish between an actual flame and not just a shorted flame rod.
@@moses6248 what I find is with no flame the rod sits at 90v. And dead shorted to ground reads 0v for obvious reasons. With the flame lit it measures like 80v. I think they just use the name "flame rectification" because I sounds cool and is technically true, but I think the boards measuring that voltage drop, and not the actuall 1uA of current. It's easier to measure a 10v difference vs a 1-2uA signal. Not 100% sure tho. I know its measured in DC uA to diagnose, but internally to the control I don't think it's measuring current.
@@alucardlord9032 there are plasmas that don't require oxygen and fire is a semi plasma that uses rapid oxidation to protect plasma that emits light and heat, you do need some form of oxygen to produce fire and keep fire burning.
@@Keyven_ It's not that there's a void -- Your body is an obstruction, and just like wind moves around the wing of a plane, creating turbulence and vortices and it has to pick up speed around the surface of your body to meet on the other side at the same time as the rest of the air that is passing on by you-- and just like on a plane, this lowers the pressure of the air near our bodies, which would create lift on a plane: but for our bodies, we have a self regulating sense of balance, so this "lift" effect doesn't move or push us over, because we account for the force as the wind blows us around. So instead of that "lift" moving our bodies, it ends up simply moving the air that is near us-- pulling it into our body like a vacuum. If you notice, this never happens when there is absolutely NO wind. Because then the only force is the heat rising, so the smoke will very obediently rise directly straight upward.
Have you ever seen a wildland fire under a high voltage transmission line? At first, the smoke conducts the voltage to the ground, then an arc forms within the smoke, shorting it out completely to ground. Very spectacular!
Probably, you might be also able to create a self lighting candle that uses a relay to let power to a positive wire that creates a spark that travels through the wick and into a negative wire.
Veritasium is a really interesting channel. Some things we know and learned but also sometimes viewpoints and explanations that make a lot more sense than when I was younger. :-p
I work for a water heater manufacturer, we use a process called "flame rectification" for some of our product. The process involves sending electricity through the flame, to ensure that the flame is actually there. No flame, no electrical pathway, an error code alerts the owner that there's a flame issue.
@@ankitray9341 one of the science youtubers said that the masks have either some fibers or the fabric inside is charged so it collects dusk particles and bacteria or something that pass through it that's so small we could almost never feasibly filter it physically
Yes I knew, because I have one of those insect killer electrical tennis rackets, which I modified a little, and when I kept it across a candle flame while activated it started sparking.
@@joshuaohuka7719 In this case it was a modification where you had to remove something to get the desired result. A single resistor to be exact. It had to be cut with a pliers from the circuit board. It was that simple. It is many years ago that I did that. And not every model is the same. But I remember that I watched a video about it, and I simply did what was shown in the video. I can't remember which resistor exactly, but it was pointed out in the video which resistor to cut. And it did make a difference. It made it a bit more powerful. I mean, the change is not that extreme, but with fresh batteries it is much more effective. Before the modifications insects would sometimes survive the shock and still fly away. Especially normal flies. After the modifications that happened much less. And I still have and use the same insect killer. I suggest that you search for electric insect killer modifications, or electric tennis racket modifications, or something to that effect, and look if you can find a video that describes what to do. I don't mean videos where they take it to the extreme because that is not practical in daily use, and it can be dangerous for unsuspecting people. (disclaimer) You always have to make sure that you do not shock yourself or other people or animals other than insects and bugs. And also make sure that people can't hurt themselves unknowingly. High voltage can and will be lethal if you don't know what you are doing. Make sure that you informed yourself with the dangerous aspects of working with high voltage, and how to work safely. And always keep in mind that you are responsible for your own choices, but also when people get hurt because of your actions. If you are under age you should ask permission from your parents to be allowed with electricity. This modification is rather harmless unless you overdo it and when you take it to the extreme. Just don't do stupid things.
this was actually usedv to make a "triode"* of sorts good enough to make a oscillator. triode is a vaccum tube/valve with anode - grid - cathode and heating element that is needed to get a electron emmision, sometimes is used as cathode, voltage on the grid controls the elecon flow between cathode and anode.
I remember fighting an argument over fire being plasma or not. This cleaned my statements in an experiment. You did well for future science warriors Sir Veritasium! Grave Thanks & Respect!
I’ve worked on systems that use this principle for flame detection in industrial furnaces, older equipment, (WW2 era). Modern systems tend to use optical sensors to detect the light from the flame but are based on semiconductor technology (photoelectric effects)
This is actually really interesting. I wonder how far the arc could travel if there are multiple candles lined up like a wire. It could probably go even farther than what is shown in the video since the current still has to travel through a bit of air to reach the actual flame
That's exactly why when a circuit breaker breaks open the circuit in case of any fault, huge arcs appear at the contacts of the breaker. The electric field intensity rips apart the positive and negative ions in the air and therefore there are incredible numbers of free electron available in the air for conduction. This is what we call the dielectric breakdown of the air.
The shape of bright fringes was circular because they are images of sun and different colours are visible due to different wavelengths in sunlight in YDSA video ❤ love from india delhi
Only so many, because you lose energy with every spark, and the further they have to go, the harder it is for them to get there. How many would depend on the voltage of the electrodes at either end, how far apart the flames are, &c.
Speaking of the candle, when the flame goes out, that's not smoke you're seeing. That's vaporized wax. That's what burns in a candle (it's flammable) and you will continue to see that vaporized wax until the tip of the wick cools below the vaporization point of the wax. You can relight the candle inches above the wick by placing a flame in the stream of vaporized wax after the flame goes out.
I once built a loudspeaker by using a flame. The flame must have some substantial area, half square metre is a starting point. The flame, sustained by a nozzles array burning propane, require electrical biasing; as the resistance is high, the bias voltage is few hundred Volts DC. The sound is produced when the DC voltage is modulated with the audio signal; the modulation must not exceed 50% otherwise the ions flow is interrupted. The easiest way to interface the audio signal with a flame is to use an audio output transformer for vacuum tube amplifiers, connected backward. The 8 ohm winding connected to a 200-300 W transistor power amp, and the 7,000 + 7,000 ohm winding connected to the flame collectors, with the 300 Vdc bias voltage in series. Remember this setup can't be made too small. A 10x10 cm flame speaker is equivalent to a tweeter with a low cutoff at 10 khz. If you want reproduce the human voice at 1 - 2 KHz, you need a 1m x 1 m (one square metre) flame, and loose 500 - 1000 Watt just for biasing the flame with a 300 - 500 Vdc voltage, plus the 250 Vrms for actually powering the audio. I've been fiddling it for years, but there are no ways to avoid the large bias current, which is lost as heat within the flame! Hope this helps Regards from the UK Anthony
This phenomenon is a huge problem for high voltage transmission lines, in the event of a fire the smoke can cause a flashover which is likely to initiate an arc fault which may well cause damage and / or trip the feeder
We in the HVAC industry are very familiar with flame conduction electricity. It needs to in order for the flame rectification process to be complete through a flame sensor. A safety very similar to a thermocouple in the fact that it proves flame
This was filmed in Paris, France, at the Palais de la Découverte, now undergoing major restructuration work. Les étincelles du Palais are just the demonstrations held in a temporary location.
I did that trick in church when I was a kid. I blew out a candle, and then used another candle to light the smoke that was coming out of the candle. A small fireball traveled down from the smoke, and ignited the candle again.
Yeah in the boiler industry we use flame detectors for the pilot burners based on the conductivity of a flame. Larger burners are detected with IR based systems.
I have a book about wireless technology from 1909. It has the standard spark detector using iron filings, but also includes a flame detector. At the end, the author states that the Deforest Audion was a form of flame detector, but that the Audion (the first vacuum tube) would never catch on 😅.
Uncle Iroh would be proud
Gotta rewatch the avatar now
damn...... it was actually accurate
@@fabianvandermijde4066 damn so it was actually accurate? did they explain this in the show?
@@mihailmilev9909 it's been a fan-theory, for a while, to explain 'firebending' as 'plasmabending'.
@@SmolBloof well I mean the whole thing about firebending is that it's a conversion of energy into fire, and that lightning is what happens when you separate positive and negative energy internally. which is just what electricity is.
The two streams of smoke is really interesting. I learned something.
This is also why when you get too close to a fire you always get a waft of smoke in your face
@@RHW42Archangelnow i understand when i sit next to burning wwod or stuff why always smoke comes to me
there are smoke filters that use the same concept
You can see the neutral particles in the smoke just go straight up only affected by eddys and currents produced from the movement of ions in the smoke towards their reciprocate charges. Very revealing.
same
Fun fact, this is how your furnace knows if the fire is lit or not. The flame sensor has a 90v AC potential on it, and this 90v is shorted to ground through the flame. The control measures the current and can determine if the fire is lit, or if it needs to try again.
Always refreshing seeing another fellow with some hvac knowledge. Just changed an inducer motor out yesterday for a friend. I explained to him exactly what you said when telling him about how the system heats
It is my understanding that the flame actually acts as a rectifier and the board in the furnace senses the current flow in mA DC. This way the furnace control board can distinguish between an actual flame and not just a shorted flame rod.
@@tylerlawrence4885 you are 100 percent correct.
Ah that's an interesting method. I know most I've come across use a thermocouple. But this actually makes sense as no parts to burn out!
@@moses6248 what I find is with no flame the rod sits at 90v. And dead shorted to ground reads 0v for obvious reasons. With the flame lit it measures like 80v. I think they just use the name "flame rectification" because I sounds cool and is technically true, but I think the boards measuring that voltage drop, and not the actuall 1uA of current. It's easier to measure a 10v difference vs a 1-2uA signal. Not 100% sure tho.
I know its measured in DC uA to diagnose, but internally to the control I don't think it's measuring current.
Oh, I love how he consistently uses the metric units. A true scientist.
He only learnt metric 😂
Me as an european: I'm a scientist :D
the rest of the world uses only metric units 💀
Ok now i want Slow Mo Guys to film that
YESSA
Why would anyone dislike this? This is a great demonstration of physics and chemistry fundamentals.
Do I need to remind you that 1/4 of USA's people still believe that Earth is flat?
@@maybe4549 WTF
because is a wrong explanation, or at least a misleading one
@@estebanpadilla2607 Nobody really cares, it's not like we're gonna try to use fire to power our phones.
@@estebanpadilla2607 Can you offer a link to the true explanation?
*POWER!!! UNLIMITED POWER!!!*
Powaaaaaaaaaah!
it aint unlimited cuz fire needs oxygen and then co2 problems but it can be used as emergency thingy i suppose
@@hike8932 you're missing out on one of the most popular movie franchises out there...
@@pokalorentz9363 dont care
@@hike8932yes you do
The visible arc literally is the air on fire.
Yeah its fire, cause theres no fire without air so.., i mean there are some fires that doesnt really need oxygen, just search it up
@@alucardlord9032 there are plasmas that don't require oxygen and fire is a semi plasma that uses rapid oxidation to protect plasma that emits light and heat, you do need some form of oxygen to produce fire and keep fire burning.
fire needs fuel. the arc doesn't oxidize anything, or consume oxygen gas.
@@dr.kraemeractually arcs normally do oxidize the nitrogen in the air and consume oxygen to do so.
Both fire and lightning together. Uchiha clan would be proud of this man.
Fukkin uchihas
-tobirama
This explains why the smoke always chases me.
Because you stay charged up. OHHH... got'em. it's lit
Run, Ion, run!
@@Keyven_ It's not that there's a void -- Your body is an obstruction, and just like wind moves around the wing of a plane, creating turbulence and vortices and it has to pick up speed around the surface of your body to meet on the other side at the same time as the rest of the air that is passing on by you-- and just like on a plane, this lowers the pressure of the air near our bodies, which would create lift on a plane: but for our bodies, we have a self regulating sense of balance, so this "lift" effect doesn't move or push us over, because we account for the force as the wind blows us around. So instead of that "lift" moving our bodies, it ends up simply moving the air that is near us-- pulling it into our body like a vacuum. If you notice, this never happens when there is absolutely NO wind. Because then the only force is the heat rising, so the smoke will very obediently rise directly straight upward.
no, its not because of this, that has to do with pressure
Have you ever seen a wildland fire under a high voltage transmission line? At first, the smoke conducts the voltage to the ground, then an arc forms within the smoke, shorting it out completely to ground. Very spectacular!
My understanding of fire took a huge jump today. Thank you.
Wow... This is a throwback 💚
yeah i was gonna say this is an old video in the form of a show... nice Veritasium
This principle allows flame rectification gas cooktops to monitor for flame and relight themselves if the flame goes out for some reason.
Nerd
🔥⚡️Watching Derek play with both fire and electricity!
Yeah, click that! 😂
Could you chain multiple candles?
spicy test
good idea 😉
Good question
Probably, you might be also able to create a self lighting candle that uses a relay to let power to a positive wire that creates a spark that travels through the wick and into a negative wire.
Yes
I forgot this was a short, I got so invested
Another video more informational, educational and enjoyable than a whole book we all studying in school.
Veritasium is a really interesting channel. Some things we know and learned but also sometimes viewpoints and explanations that make a lot more sense than when I was younger. :-p
@@kevindevlieger300 Yeah! I agree
I love these kinds of practical demonstrations of science
I work for a water heater manufacturer, we use a process called "flame rectification" for some of our product. The process involves sending electricity through the flame, to ensure that the flame is actually there. No flame, no electrical pathway, an error code alerts the owner that there's a flame issue.
Awesome. Especially that smoke
Excellent video and something I've always wondered - what a flame was composed of.
Maxwell’s light as a propagating wave of electric and magnetic fields right here.
oh true
That's amazing! My goodness, this universe is just full of too many things to learn
Great demonstration how an 'electric filter' works.
The gas/dust particle are sucked to either side of the electrode. 👍🏻
oh yeah isn't that kinda how N95 masks work?
@@mihailmilev9909 I guess they work on the same principle
@@ankitray9341 one of the science youtubers said that the masks have either some fibers or the fabric inside is charged so it collects dusk particles and bacteria or something that pass through it that's so small we could almost never feasibly filter it physically
@@mihailmilev9909 yeah I saw that video too from Minute Physics
@@ankitray9341 oh was it that one?
What a great activity to understand plasma better !
Yes I knew, because I have one of those insect killer electrical tennis rackets, which I modified a little, and when I kept it across a candle flame while activated it started sparking.
what modifications EXACTLY did you add...
@@joshuaohuka7719 In this case it was a modification where you had to remove something to get the desired result. A single resistor to be exact. It had to be cut with a pliers from the circuit board. It was that simple. It is many years ago that I did that. And not every model is the same. But I remember that I watched a video about it, and I simply did what was shown in the video. I can't remember which resistor exactly, but it was pointed out in the video which resistor to cut.
And it did make a difference. It made it a bit more powerful. I mean, the change is not that extreme, but with fresh batteries it is much more effective. Before the modifications insects would sometimes survive the shock and still fly away. Especially normal flies. After the modifications that happened much less. And I still have and use the same insect killer.
I suggest that you search for electric insect killer modifications, or electric tennis racket modifications, or something to that effect, and look if you can find a video that describes what to do. I don't mean videos where they take it to the extreme because that is not practical in daily use, and it can be dangerous for unsuspecting people.
(disclaimer) You always have to make sure that you do not shock yourself or other people or animals other than insects and bugs. And also make sure that people can't hurt themselves unknowingly. High voltage can and will be lethal if you don't know what you are doing. Make sure that you informed yourself with the dangerous aspects of working with high voltage, and how to work safely. And always keep in mind that you are responsible for your own choices, but also when people get hurt because of your actions. If you are under age you should ask permission from your parents to be allowed with electricity.
This modification is rather harmless unless you overdo it and when you take it to the extreme. Just don't do stupid things.
@@insAneTunA impressive... Thanks...
this was actually usedv to make a "triode"* of sorts good enough to make a oscillator.
triode is a vaccum tube/valve with anode - grid - cathode and heating element that is needed to get a electron emmision, sometimes is used as cathode, voltage on the grid controls the elecon flow between cathode and anode.
Avatar knew this loooong before...especially Iroh lol
Electricity: I'm faster than you
Fire: Let me create you more siblings.
tf does this even mean lmao xD
Pc running Minecraft rtx: FIGHT DA POWERRR!!!!!
here, have a "You Tried" sticker
One of my favorite professors from my college was working on some stuff with this. I always thought it was pretty interesting
Beautiful !
This man just took the first step toward firebending
I remember fighting an argument over fire being plasma or not. This cleaned my statements in an experiment. You did well for future science warriors Sir Veritasium! Grave Thanks & Respect!
That..I didn't know. How extremely intriguing.
Very cool! I did not know this, but it makes perfect sense!
That's so brilliant mate. I really love ur work.
Thaddius in Naxx be like
Thank you very much for these amazing and useful eye opening phenomenon
Now this is the right way to use UA-cam shorts! Thank you for your educational efforts 🤙
Thanks
Really good demonstration
I’ve worked on systems that use this principle for flame detection in industrial furnaces, older equipment, (WW2 era). Modern systems tend to use optical sensors to detect the light from the flame but are based on semiconductor technology (photoelectric effects)
I love these videos you make
I never watch shorts normally but I knew you'd have something interesting. Thank you for this little nugget of useful information c:
It’s amazing how even a simple candle has things to teach us
That "yeah" at the beginning was totally mad scientist.
Very apropos.
This is actually really interesting. I wonder how far the arc could travel if there are multiple candles lined up like a wire. It could probably go even farther than what is shown in the video since the current still has to travel through a bit of air to reach the actual flame
That's exactly why when a circuit breaker breaks open the circuit in case of any fault, huge arcs appear at the contacts of the breaker. The electric field intensity rips apart the positive and negative ions in the air and therefore there are incredible numbers of free electron available in the air for conduction. This is what we call the dielectric breakdown of the air.
Now that would have been a nice thing to show us as kids in school.
I do love your work. That's all.
The shape of bright fringes was circular because they are images of sun and different colours are visible due to different wavelengths in sunlight in YDSA video ❤ love from india delhi
You make science interesting
You are always amazing. Thanks 🎉
Love this man🙏🏻
When you learn more on UA-cam than at school
Derek's 'YEAH......' is much satisfying than separation of smoke
I had never thought of it but it makes perfect sense!
Random science stuff like this will never cease to amaze me.
Because fire conducts electricity we use them in boilers to detect the flame itself. Flame scanners are pretty cool.
Really nice short 🤙
The split flame & smoke is so cool
Why is his video editing so good
Now I know why my farts spread to my left and right regardless of where I point my butt.
thats the example
Need more of these videos 😃
Lightningfire.
That’s awesome.
Can you "daisy chain" several flames?
Spicy test
Only so many, because you lose energy with every spark, and the further they have to go, the harder it is for them to get there. How many would depend on the voltage of the electrodes at either end, how far apart the flames are, &c.
Way cool. Ty for this.
Speaking of the candle, when the flame goes out, that's not smoke you're seeing. That's vaporized wax. That's what burns in a candle (it's flammable) and you will continue to see that vaporized wax until the tip of the wick cools below the vaporization point of the wax. You can relight the candle inches above the wick by placing a flame in the stream of vaporized wax after the flame goes out.
Nerd
Lighting candles from their vapor has been a favorite activity of mine since I was introduced to candles/matches as a child
Where did you learn about it being vapor and not smoke?
This would be sick in a movie
I so had a feeling about this. Even the smoke after you blow the candle out should be a better conductor
I once built a loudspeaker by using a flame.
The flame must have some substantial area, half square metre is a starting point. The flame, sustained by a nozzles array burning propane, require electrical biasing; as the resistance is high, the bias voltage is few hundred Volts DC. The sound is produced when the DC voltage is modulated with the audio signal; the modulation must not exceed 50% otherwise the ions flow is interrupted.
The easiest way to interface the audio signal with a flame is to use an audio output transformer for vacuum tube amplifiers, connected backward. The 8 ohm winding connected to a 200-300 W transistor power amp, and the 7,000 + 7,000 ohm winding connected to the flame collectors, with the 300 Vdc bias voltage in series.
Remember this setup can't be made too small. A 10x10 cm flame speaker is equivalent to a tweeter with a low cutoff at 10 khz. If you want reproduce the human voice at 1 - 2 KHz, you need a 1m x 1 m (one square metre) flame, and loose 500 - 1000 Watt just for biasing the flame with a 300 - 500 Vdc voltage, plus the 250 Vrms for actually powering the audio.
I've been fiddling it for years, but there are no ways to avoid the large bias current, which is lost as heat within the flame!
Hope this helps
Regards from the UK
Anthony
Did not know! Super cool
This phenomenon is a huge problem for high voltage transmission lines, in the event of a fire the smoke can cause a flashover which is likely to initiate an arc fault which may well cause damage and / or trip the feeder
Wow. Learned a new thing. Thx
Thank you for clarifying
Oh I didn't see the smoke there on the bottom until about the eleventeenth time watching 🤣. Love whatcha do man
♥️ From Kentucky
this is how the flame detection in many gas and oil heating burners work
Everybody knows that.
@@un1tyNL Yeah; but my 3 year-old spotted it - who are you associating with?
Finally some good content on yt shorts
Wow. This is so cool
We in the HVAC industry are very familiar with flame conduction electricity. It needs to in order for the flame rectification process to be complete through a flame sensor. A safety very similar to a thermocouple in the fact that it proves flame
Still love your content
This was filmed in Paris, France, at the Palais de la Découverte, now undergoing major restructuration work. Les étincelles du Palais are just the demonstrations held in a temporary location.
I like when he told us what ions they are
Flame also converts AC into rectified DC (although not efficiently)
I did that trick in church when I was a kid. I blew out a candle, and then used another candle to light the smoke that was coming out of the candle. A small fireball traveled down from the smoke, and ignited the candle again.
Fun fact: If that sound was my ringtone, people would think I "let one." 💨😆💨
Yeah in the boiler industry we use flame detectors for the pilot burners based on the conductivity of a flame.
Larger burners are detected with IR based systems.
Flame detection sensors also called ionisation sensors are widly used in heaters to detect combustion
Fascinating!!
Imagine building a circuit out of candles
Beautiful
Thx for sharing, amazing.
It is being used to detect flame for flare systems, without having to run thermocouples to burner tips.
so suggestive
Omg I love this!
I have a book about wireless technology from 1909. It has the standard spark detector using iron filings, but also includes a flame detector. At the end, the author states that the Deforest Audion was a form of flame detector, but that the Audion (the first vacuum tube) would never catch on 😅.
Electricity shorts sounded uncomfortable. This was cool though!
Now I'm going to use flame in the laboratory's experiences, spectacular xD
This dude's like Joe Rogan if Joe Rogan knew how to speak.
tf you talking about?
This is actually informative