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- เผยแพร่เมื่อ 4 พ.ย. 2022
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#thinklist #slowmoguys #reacts - บันเทิง
Loved this vid. Thanks for your reactions! - Gav
No worries mate and thank you for being a TH-cam LEGEND 🤙
Hey, would love a Slow Mo video on Hard Hats, especially the effects on the person wearing it (using a ballistics dummy). Happy to send you mine for the experiment 😆
Oh and say hi to Dan for me.
Hi gav I really like your slow motion videos
7:31 Quantum Mechanics just had a stroke here
You asked about why the camera makers didn't/couldn't get to 2million fps. Gavin did a video on their second channel that breaks down how a high-speed camera works and a different video (this one might be main channel. I can't remember) where he takes a tour of the phantom camera factory. Really interesting stuff
What's the video title of Gavin's explanation?
It seems kind of like saying a Ferrari tops out at 211 mph, why not just make it 250 😆
same energy when Gavin had to make a video explaining why they don't make 60 Fps videos.... Lmao.
To answer it though, the Hypervision HPV-X reaches 10 million fps and there are videos on YT of it, I imagine it's super expensive and exclusive though, and typically the higher fps you get the more resolution and other things you have to cut (most HPV-X videos were captured in black & white for example). But there's also a video on Slow Mo Guys' channel called "Filming the Speed of Light at 10 trillion FPS", I don't remember enough of it though to explain.
There was also that time they went to a lab to film the speed of light
For what it's worth, the blue-purple color of the arcs comes from Nitrogen being ionized, one of the videos showing this is by user jdflyback, who custom made Nitrogen-filled discharge tubes, showing the exact same blueish hue. My guess would be that oxygen gets shredded apart, forming the "trail" for the discharge to follow, while the ionization of Nitrogen, combined with black-body radiation from electrons returning to their normal electrical potent is what causes the color itself. If I were to guess the reason for the branching, I'd wager there's more oxygen around the areas the discharge is gonna follow, cause electricity does break apart oxygen into positively charged ions, making it easier for electricity to follow the path of least resistance
I love it
I think an important thing to note is that air temperature is just an average.
Some molecules will have slightly more energy than others at any given point in time, they're random distances apart, traveling in random directions, the spark rips molecules apart and sends the atoms flying in random directions (effectively detonating them,) etc
At any given point in time, some paths are going to have less resistance than others, so you end up getting Brownian/chaotic paths through it
The Oxygen is being ionised too although it is hard to distinguish the light-blue plasma of the Oxygen from the violet-blue colour of Nitrogen by eye. Point a spectrometer at it however and you would clearly be able to identify both because each is actually a series of bands of emission unique to each molecule. Our eyes can't do it as we perceive colour based on the total stimulation received by each of our three types of cones so we cannot identify the individual bands and the overall effect is very similar with our eyes limited sampling method.
Missed opportunity; should have called themselves slowboomguys
Or Electroslowguys 😁
What about SlowBOOM or Electro Guys
8:00 guess someone has to make sparks in a pure nitrogen atmosphere now to test the theory
Man this video is amazing I hope electro boom Sees it
And this brings me to the end of the channels I know! Great getting the Slo-Mo guys in too.
Absolutely hoping you're planning on more from EB or PI (my apologies for the abreviations I'm lazy).
Getting to re-watch the videos I love but with a funny Aussie electrician at it too?
Yeah I'm here for the long run.
Really like your videos. I also appreciate the fact that you're throwing on work clothes when you don't actually have to go to work ha.
That analysis of air composition for ionization added to my knowledge, thanks. Nice video, contagious laugh. Mehdi and Slowmo would be proud
This feels like high school again, amazing just amazing
really liking your videos, you're fun and explain things very well. Keep up The good work!
As with lightening, the electricity doesn’t know beforehand where it will go. As the charge cloud builds up, it will generally try and take the path of least resistance; as it spreads further, it can start to cause charges of the opposite polarity to extend towards it. When it is eventually able to form a channel, the charges in the paths that didn’t connect will drain through the connection also; with lightening, what you see sometimes is multiple flashes as they drain.
Honestly I think the faces you made were the funniest part of the video X3
Sparky here. All yall R nuts! Mah kinda nuts tho. But seriously. Exposing the general population to this quality of content, and having it readily available, in a perfectly safe viewing format, isn't only very entertaining but wonderfully educational. Noyce wuk mates.
It never really dawned on me til watching this video that the Nyquist theorem that I use in recording audio works the same when working with certain types of visual things like electricity… the more you know ig
I would think filming electricity with the super slow motion should be easy because the lighting is always the hard part when you go up in frames, but electricity creates or at least redirects photons, meaning it creates its own lighting.
Hi, I'm an electrician. In regards to Ionization, in general, it occurs whenever sufficiently energetic charged particles or radiant energy travels through gases, liquids, or solids. Electricity breaks down molecules of Nitrogen and oxygen into positively charged ions, thus making it easier for electricity to follow the path of least resistance. Now, the branching of the arcs from the tesla coil, I suspect that the electricity before reaching the screw breaks down the air (Nitrogen and Oxygen) first then when it is close enough to contact, it jumps directly to the metal. The blue/purple ish colour, I guess that would be thanks to Nitrogen particles being taken apart.
If you look closely, when they do the ultra high speed they have to slash the resolution, aspect ratio and depth to compensate.
Great videos mate, hopefully you get a lot more views and subs 👍
Thanks mate
electrical arcs work the way they do there just following the path of ionized air since its the path of least resistance its also why it can sometimes be hard to get them started without breakout points or long waits between the arcs
Hey 👋 I am a electrician from Germany and I would shit myself if sparks would appear in one of my switch cabinets in testing 🤣
Fast frame footage is very cool.
It's so cool that we can do SO much with electricity, but it's only in the last ten or so years we've been able to definitively say "yeah, we actually can't tell how electrons move. Like, it is literally physically impossible, they are quantumly superpositioned based on our observation" just to explain how LITTLE we actually really understand about snapping atomic bonds to unleash controlled torrents of an untold number of electrons EVERY SECOND, yet we are all entirely reliant upon it.
haha recently subbed, love your content not often i find a fellow aussie youtuber! keep it up!
Gday mate
@@thinklist Gday, how are you doing?
reason he said he found it odd that the spark set them off was its the final compositors in the row that did it, he would of though it be the first one closest to the power supply that would of set it off where in fact it was the final one that did it
For what it's worth, air ionization to generate sparks starts with existing ions, from cosmic ray and radioactive element decays (average about 1 ion pair per cubic centimeter) being accelerated by the electric field to energies high enough to ionize more air molecules via collision. The field strength is highest at the tips of pointed electrodes and the advancing point of the corona discharge, so the path the spark takes is basically a random walk along the electric field lines. This is seen more clearly in lightning flashes, where the distances involved allow better temporal resolution. The Slow-Mo Guys did a nice video recording lightning in Singapore: th-cam.com/video/qQKhIK4pvYo/w-d-xo.html .
I love your videos and explanations. Keep it up ;). Also Mehdi is one hell of a fun guy.
Appreciate the support mate
I feel like the reason that they couldn't see the separation in the spark gaps is due to the fact that electricity travels 100,000 km/s (1/3 Lightspeed). Their camera just isn't capable of recording that.
Also i plan on majoring in electrical engineering when i go to college in a few months
The slo mo guys had a camera capable of 5 million frames a second for their shape charge video.
Love the shirt
I think at this level you are generating a plasma. The electrons flow freely, you are putting a lot of energy in to generate a plasma channel, you see electrons being pushed from one side and pulled from another, it branches as more energy passes through established channels, much like an ant colony, if two of these branches meet inevitably, then a plasma channel which allows direct conduction is established, this will move because the plasma will rise but new channels will form and expand upwards as new molecules are drawn in and ionized, I'd expect that at these energy levels both oxygen and nitrogen would ionize.
0:07 it has to do with the frequency, as far as I know Tesla coils in the range of 100kHz to 300kHz tend to have those branched arcs, while 400 to 500kHz have a more swordy shape, and higher frequencies like Megahertz tend to curve like styropyro's flame
If it helps, the nitrogen-nitrogen triple bond on an N² molecule is much, much stronger than the oxygen-oxygen double bond in an O² molecule. This is why nitrogen-based high explosives are so powerful.
thats where the truth of the saying lightning doesn't strike the same place once
I believe the more the air/humidity moisture in the air becomes ionized which I believe it creates a temporary magnetic field which its repeling the plasma arc off the magnetic field It created and continue on its path making it bend in different direction.
On the graph you showed, oxygen isn’t much lower than nitrogen, so I would be surprised if it was just oxygen that got ionised. However high voltage arcs produce ozone, which is just 3 oxygen molecules, so the oxygen is definitely being ionised, nitrogen is pretty inert though so maybe it ionises and then just go back to N2. O2 is bonded using 2 bonds, N2 is bonded using 3, so that may also make it more difficult to break up the nitrogen into individual atoms and then ionise it.
The way I have seen lightning described before and why it forks is that the high voltage is essentially looking for a path to ground, you end up with individual arcs that are all going to lower potentials but then one hits ground and the bulk of the electricity then gets forced down that arc straight to ground and the other arcs die off essentially. You can see that with how the arcs fork anyway but also with the screwdriver and the Tesla coil, you can see the two arcs coming out of the screwdriver and coil and they fork then you get that corona discharge between the arcs, then when a path is established all the electricity goes through that path and the other arcs die off since there is a better path to ground or to a lower potential.
@ThinkLIST you should do another video on photonicinduction
Did you just say "one Hert"? - The singular of Hertz is still Hertz.. 😜
The flaw in the theory of the sparks in the Marx generator going off one after the other is thinking of electricity "flowing" like water, but that's not the case, it's more like a pipe with incompressible fluid and no air, like a break line, the electrons just move a step simultaneously. At least with AC. You won't have any delay when switching on your ceiling lamp, the moment the gap in the circuit of a light switch is closed, the lamp is going to glow. With DC you would have a delay and sort of a cascade effect; like with the old Christmas tree fairy lights with bulbs.
Hertz sounds like it hurts...
We Want More Contagious Laughs Mate!!
Dark Luigi how the bloody hell are ya mate?
@@thinklist I'm Good!! :)
And Yes, I Dare You React To My Gameplay Of Asphalt 9: Legends (I Did 7 Flawless Races)
For any camera speed x, I can ask, why did you not build a camera of speed x plus epsilon.
just before 8:19 you talked about arcs sort of pushing their way through oxygen. I wonder if you could look at the colour spectrum of the arc to tell if that's the case. Can you form an arc in pure nitrogen vs pure oxygen and see the spectral differences? Perhaps in other gasses too. Sort of in the same way the colour of a sodium lamp is that colour because of the sodium. Maybe in air you'll see the spectral peaks of each element in the air in the colour of the arc. Arcs in air look mostly blue to the eye and the reason the sky is blue is down Nitrogen. Perhaps those are related. Perhaps a physicist can explain it.
Simple answer is yes.
Basicaly the medium get ionized and turns into plsma with different waves in in the EM band measuring that can tell you what the medium ismade of its basicaly how Spectroscopy works
NOT "Frames per second", Frames per HERTZ
Fun fact, we CAN go higher than 1.75 million frames per second, someone actually hit 1 trillion frames and recorded the movement of individual photons of light.
The slow mo guys did a video on that
Hey 👋 so the corona effect would make a smell similar to ozone O3 rather than o2 as an ozone generator makes this same purple glow mashing up the oxygen molecules. I wonder if this helps your study ?
I wonder if it would be possible to record at a high framerate like this and then add a liquid or something that light travels slower through to slow it down even more.
what.
@@EmperorPWNZ the speed of light is slower through liquids.
@@Dindonmasker so how does it affect the time? For example, light travels through the water 1,33 times slower than normal. Do you see things 1,33 times slower underwater? I think no.
It doesn't work that way. U can't slap some material and expect to get free slow motion
@@EmperorPWNZ if light slows down in the liquid doesn't it mean it will leave the liquid at a slower rate that it came in? Giving more frames for the camera to capture?
@@Dindonmasker nope, it will leave at the same rate, but it will leave later due to the decreased travel speed.
6:54 diss city
Drop the mic
Regarding arcs you could react to Pecos Hank, he is a lightning hunter and his insights are priseless.
these cameras are operating at the limit of current technology, the sheer amount of data that these cameras generate every second is enough to fill up large solid state storage drives in seconds and consume the maximum available bandwidth current methods can pipe through the image processors and storage busses without the use of external high speed storage machines like those found in CERN we just don't currently have compact technology with enough clout to go higher... yet.
And its probably gonna be awhile before we do :/
can you react some video on backyard scientist 😄😄
You Described a Hertz wrong. :( Love the videos tho.
The Description you gave is half correct.
You Described a cycle. Hertz is how many cycles you have per second.
In the US Mains power is nominally 60 Hz That is 60 cycles from 0 to (+) peek and (-) peek back to 0 volts per second.
By the way Electroboom is an "electrical" engineer.😉
I reckon that your theory is not entirely BS, N2 is a quite stable molecule, thats why it was so hard to make nitrous fertilizer from air and that dude that invented the process got the science fameboi price, but at that high voltages, it will fuck up N2 as well
The more I think about it.. might be even entierly true, electronegativity of O is pretty high and the distribution of gases is for all matters and purposes here almost homogenous, might be that the voltage charges the O2 way more than N2, what would push the electron cloud further away and suck the O2 positive core to the path of least resistance .. am I mumbling bullshit?
The only problem with your theory is that the arc coming from the screwdriver is ground. This is showing that electricity does not flow from positive to negative, but from greater potential to lesser potential. The imbalance takes the fastest path the equilibrium. Which also means that ground is ionizing the air too.
So, in your theory, ground would have to be stripping molecules of electrons ahead of the arc.
I think more likely, the electrical connection happens, and the ionization follows - and the strength of the arc is weakest just before contact to ground - which makes that ionize slower than the rest.
Also, near the end, they showed that all gaps hit at once, which follows if the flow is not from positive to negative, but from greater to lesser potential.
In a word, kids.... ground can kill you too.
4:57 "One hert"?!
This got me too.... It's one hertz, two hertz (or, if you're weird, two hertzes...)
😆 so true, fucked that up
😂 Eh, shit happens
Being electrician, you are required to always wear helmet, even in your sleep. Especially during dangerous activities like filming youtube content. The same is true for doctors and scientists. You can't be a scientist or a doctor if you don't wear white coat.
Exactly 👌
just gonna point out here electrons dont actually orbit, they're more quantum, but the electron orbit model, while it's wrong, it still is a model.
Gday more legend legend!
Wholy crap that actually sounds like a good theory 🤔🤔🤔
Thanks mate
love from india
If you think this is cool you should check out the trillion fps camera.
Watched you vid on photonic inductions 5000 amp fuse. I see you cringe at health and safety, please check out Fred Dibner laddering a chimney and you will have earned my recent subscription
The arc happens because:
One electron leaves the atom due to high voltage. Then it bumps into another atom which it's loosing another electron. This way electrons grow up exponentially. When this path reaches the other side a spark happens (basically what we see in slow motion). The path i talked about visually its like waffle cone with ice cream on top 😉
Okay? And this had what to do with what he was proposing? He wasn't talking about why acrs happen, he was theorizing specifically why the arcs branch the way they do and he theorized it could be because the lower percentage of oxygen in the air making certain paths more desirable based on inconsistent mixing of the various elements that comprise air. Regardless of whether his supposition holds ground it wasn't a discussion on why arcs happen, but why they branch out like they do.
@@DreadKyller hmmm! Okay. I thought we talking about how an arc starts. And not why it is taking that path. Okay then my explanation was pointless!
Firstt nice
i was first but ok lmao, also dont ask for pin, thats just not cool, just write something nice
Another fun electrician channel I watch: RODALCO2007 Enjoy!