We Accidentally Discovered A RARE Scientific Phenomenon (10,000fps Collisions)

[@Kholdstare52]

The frame where the glass lights up is truly magical, made the whole trip worth it. Thanks guys!

[@Yezpahr]

The light part looks like some supernova. I paused at that frame too, the next frame was less interesting, but still quite amazing that we got 2 whole frames of lightshow.

[@howridiculous]

Glad you enjoyed it!

[@stacyzanavich4451]

I slowed it way down to pause it. It looks like you turned on two light bulbs for a split second. Science is remarkable.

[@f2pgamingcastleclashmore119]

now i want to see the slow mo guys to do it properly and get a better look at it

[@Roccondil]

@@stacyzanavich4451 you don't need to slow down the video. Just pause it near the moment, then use the , and . keys to step through the video frame by frame.

[@RegWestly]

As a Canadian, I appreciate that three Aussies stood out in a field during a snowstorm to do this video. Amazing capture of the glass balls. The Slow Mo guys are kicking themselves for this for sure. lol. Well done, hope you enjoyed North America as much as I enjoyed Australia when I went there. Glad to see Rexy got healed too :)

[@MatthiaGryffine]

Now if we can convince them to do some videos in Canada...

[@larsonpiano6420]

The slo mo guys already did this, just not ice

[@RegWestly]

I think you are correct... I do remember one with a flash that they did too, i stand corrected @@larsonpiano6420

[@hellomate639]

The Aussies have brass balls so they can watch the shattering of glass balls!

[@Prof.SeverusSnape]

😊

[@alikatyeg3295]

The paint can slowie was amazing and I thought nothing would top that. But the glass ball collision... magic! Gav will shed a tear of regret for sure when he sees that flash of light he missed out on recording. Great job by everyone for making these experiments happen in less than ideal conditions. I'm Canadian so I know how miserable it can be to work in the snow and yet you guys looked like you were genuinely having fun.

[@MrPLC999]

Interesting experiments but the audio is intolerable. (mute!)

[@CrunchyGold]

Rexy bit and ripped that basket ball midair, if that's not gonna be a shirt i'll be sad

[@hopegold883]

Perfect example of, “You shoulda seen the other guy.”

[@DUKE_of_RAMBLE]

Agreed! Maybe something like Air Rexy flying horizontal, with little arms trailing, mouth wide open... then a basketball being fired from the cannon, towards him? 😊

[@cmraz]

More like "perfect example of giving genius ideas away for free." It hurts to see.

[@JoeVanGogh]

PIN THIS (regardless of the contest lol)

[@relevantinformation6655]

Actually hard to watch 😂 snif 😢

[@nuqi]

I'm truly amazed by the level of teamwork and coordination you guys have. Keep up the excellent work!

[@jarchdm]

I'm amazed by the level of idiocy putting themselves between two cannons!!!

[@cyan1280]

omg its the north korea guy

[@BarkerVancity]

its called editing

[@BenBallard13]

That's flash of light was cool as! Definitely need to recreate this again, but under lab conditions? Perhaps get the Slow Mo guys involved and film at 1m fps, but in the dark - so that flash can be as optimal as possible? Great video guys!

[@jim.h]

That would be fascinating to see!

[@gilliesiut2332]

This one’s actually sorta easy for anyone to recreate. It’s not the glass that caused the flash but the pressure generated between the two spheres. You can actually burn a piece of paper of you hold it up and clap two steel balls together with your hands due to the mass being transferred into a tiny spot causing extreme but temporary heats. At those speeds and mass I can only imagine that spot was temporarily the temperature of the surface of the sun.

[@BenBallard13]

@@gilliesiut2332 it's the same theory as the Mantis or Pistol shrimp when it hits its prey. Only difference is that the force underwater splits the hydrogen and oxygen atoms in the water to create that flash of energy.

[@MisterItchy]

I like the juxtaposition of the science guy talking about intermolecular binding and static charges and triboluminescence with Gaunson tossing a handful of straw into a fire!

[@BealsScience]

😆

[@nicostadi]

twas a tear jerker!

[@liggerstuxin1]

I wanted to make fun of this comment and caught it and call it a pseudo intellectual such and such, but unfortunately it’s just a perfect comment.

[@DeadeyeDaily]

Anybody know if that's related to - or anything like - piezoelectric effect? I thought, as I saw it, "that's definitely piezoelectric effect." Looks like I learned a new word today 😄

[@BealsScience]

@@DeadeyeDailywhen I was researching this I found that triboluminescence occurs when things are broken and the electrons are jumping from one piece to another as the pieces separate. Piezoluminescence occurs when something releases charge due to a collision or vibration. They are quite similar!

[@Wuzzup129]

The fact that the glass sparked like that just shows how much energy was in that collision. Fascinating stuff.

[@bleachbleachBLEACHER]

The thing is - that's something you can get with spheres in general. Because when you strike two hard spherical objects into each other, there is only the SMALLEST point of actual contact between them at the edge of the curve, and that instigates a moment of intense heat. Just look up 'burning paper with steel balls' to see the same kind of thing on a smaller scale. So with these glass balls - with how fast they were chucked at each other, I assume with all the force of that collision collecting at such a tiny point of contact is what resulted in the two of them not just sparking but utterly annihilating each other instead of just going Coney Joney.

[@FlubberGamer]

@@bleachbleachBLEACHERI was just about to say Vsauce has a video showing off this phenomenon, it’s fascinating stuff!

[@v1nigra3]

Oh yeah I remember we used to do this as kids, clash balls on each other in the dark

[@gravneyrichardson3507]

Yup quartz be doing that when struck

[@georgiawadman]

I live in Montana born and raised, glad you guys got to have fun and experience some light snow, thanks for coming guys ! ❤

[@darian-o9j]

how come when they come here i don't here about it until the video is released😭

[@azdazda]

I've been watching this channel for years and this is probably your best video, especially the end. I love how everyone piled in to watch the highlight of the day, and the reaction was priceless. And I love the lack of music, with the snow, the vibes for this video were 10/10.

[@Phripheoniks]

I didn't even notice the lack of music, I guess it just felt so natural!

[@pick2206]

yes

[@art23hur]

Agree 💯

[@Indi5459]

Genuinely laughed out loud for the "science with Gaunson" bit at the end. Incredible shots.

[@shrapnut7612]

I felt a little sad, the end of the stay in Montana. Looks like you guy's hit a "Farm and Fleet, for warm gear.

[@ZaberFangAT]

I genuinely thought he was going to eat a bit, until he walked over to the fire...

[@HallowedError]

@@ZaberFangAT Absolutely what I expected.

[@Phripheoniks]

Absolute Gaunson Perfection👌

[@LiveOrDieTryingLSA]

I've had Triboluminescence happen to me opening an envelope in a dark room. I was opening it and saw a neon blue light coming from the glue as I pull it apart, my friend witnesses it to too. Loved the video and that amazing footage.

[@KentuckyBallistics]

I believe this is called the “Kentucky Effect “. Gav, Dan and I discovered it 😂

[@ryanhampson673]

Yea that elephant rifle is no joke lol.

[@johnwalker194]

From the fried chicken ?

[@11C1P]

Why isn't this pinned?

[@outdrlivin4737]

​@@11C1Pwhy am I seeing your comment...

[@Real28]

Yeah, I remember that video. You guys did see this before them.

[@peterosmanski7466]

That scene at the end where Scott burns straw and the Science with Gaunson logo fades in and out had better not symbolize the end of Science with Gaunson! Scott's explanations are goofy yet somehow based in actual science and I love them.❤

[@Bag6i0o]

No

[@peterosmanski7466]

@@Bag6i0o No, you don't love them, or No they're not based on actual science, or No, they're not goofy, or No, it doesn't symbolize the end of Science with Gaunson?

[@Bag6i0o]

@@peterosmanski7466 just said as a joke

[@mightyelbow]

The subtle fading in of "Science with Gaunson" as he silently is burning a fistful of hay has me crying from laughing and I have no idea why.

[@Tainshy96]

Caught me off guard too 🤣

[@Syritis]

just the meaningful stare at the haybale like it holds an infinite assortment of knowledge and yet gaunson ends up with, "what happens if i burn it"

[@phazerave]

Dude me too! I couldn't stop laughing, absolute comedy gold.

[@dannop2562]

Props to Editor Jack for rolling an epic title-how good!

I’d love to see a separate channel called Science with Gaunson and you go and visit scientists to review some of the stuff you’ve done and explain the science!

[@yorginat]

This has to be the best How Ridiculous video I have ever watched. The fact that you powered through the weather just makes it that more special. As a Canadian I loved seeing you guys in the snow 👍

[@corygucwa7098]

Editor Jack's troll of Scott at the very end is what the 44 Club is all about. Chef's kiss

[@VoltisArt]

_Smoke_ with Gaunson...

[@Yetr]

This video is a prime example of why I love your channel. The combination of science, fun, and genuine camaraderie is always a winning formula. Keep up the great work guys!

[@BealsScience]

I agree with you entirely!

[@seanbaskett5506]

That slowie footage of the glass balls hitting head-on is the best piece of footage from that Phantom that I've ever seen. Wow. That was a masterpiece.

[@Mohenjo_Daro_]

I rewatched that at least 5 times and my reaction was the same each time. Totally awesome!

[@lilcow1]

Thank you so much for this video! I lost my job today, and I really needed to laugh. The 2 glass balls at the end were amazing!

[@vitospera4959]

Also the basketball squeezed past the glass ball was pretty incredible

[@shanedbunting]

There must have been some veg left behind in the cannon to hold wedge the glass in long enough for the basketball to be forced past.

[@SuccessfulGeezer]

I thought that, but is there a chance they put it in the wrong way? lol

[@childofnewlight]

@@SuccessfulGeezer Looking at the ball, it appears to be regaining its shape as it comes out. As if it was squeezed between something.

[@reesesalen5033]

The basketball was already torn open when it came out of the tube. The tear is on the opposite side of camera view. Pretty cool to watch though!

[@I.no.ah.guy57]

​@@SuccessfulGeezer well they showed putting both basketballs in, and Herron putting in the glass balls one after the other, so I don't think so. Someone else said the basketball was torn already, so that's really the only way it could have gotten past the glass ball, if in fact, it was behind the glass ball and not in front

[@Jimmyandtony]

The last time Scott said, "get the bell on" was December 21, 2021 at the 21:39 mark in "Can We Break An Obsidian Block With A Giant Hammer?" you guys are legends. I'm literally wearing the rexy splatter paint shirt right now and i've got replica rexy right next to me

[@Myrrden]

Was it THAT long ago!? Wow! Time flies! Grats on the pin!

[@DougVarble]

Beat me to the answer 🎉

[@PacificNorthwestViews]

Pin this human

[@Gravvvyyy]

The rexy paint splatter shirt is one of my favorites to wear around....people are like, did you just come from paintballing? Bwhahaa. I also bought one for my son and my brother.

[@mards9491]

They hearted it’s but didn’t pin it I doubt it’s the right answer.

[@Cordellphoto]

It is the piezoelectric effect when crystals are rubbed together. This was incredible.

[@poohbear01x48]

I haven’t watched the video yet, but are we sure its not a compression artifact? There are two waves of air being smashed together and super compressed between the two balls, which could flash ignite the oxygen in the air. Very much like the Mantis Shrimps bullet punch

[@Cordellphoto]

@@poohbear01x48 No watch the video

[@sentcons]

Thought it was a sonic boom since they looked like their surface perfectly aligned

[@kingswing00]

Upon further research, this seems to be more in line with triboluminescence. Light energy created when objects are mechanically crushed, ripped apart, etc. Glass is, apparently, not inherently piezoelectric but can be manipulated to be under certain conditions (like this video?). Turns out there's not a lot to find regarding the science of colliding two large solid glass spheres online.

[@ho0t0w1]

That's what I thought, same thing they use quartz crystals and a small striker to ignite grille lighters, but on a massive scale.

[@trevorkeenan3512]

This was by far one of the best HR videos. Such comradery between a great group of brilliant, curious guys is SO cool to see!

[@fleendarthemagnificent7372]

The frame showing the glass balls lighting up from the shock was absolutely magical. Like a chain lightning spell cast upon a battlefield. Instantaneous, beautiful, and yet, utterly destructive. One of your BEST vids, guys, and ALL of your vids are at the very top!

[@nicholi1120]

19:24 that is absolutely wild guys, keep up the good work.👍

[@m2pt5]

Science with Gaunson - Hay is, in fact, flammable.

[@54RKY]

On its own yes, bailed it's actually fire resistant 🤷‍♂️ construction & insulation in some of those eco homes

[@ptmathmusician]

I love how much this felt like the HR vids from a few years back... "Get the bell on," the commtest, "We'll pin ya," Coney-Joney, and Science with Gaunson all made epic comebacks!

[@supdeep6547]

except nobody ever got pinned

[@Avigail044]

YESSSS TOTALLY😂

[@4emcarthur]

You guys are all superstars with glorious personalities. You even manage to find cool science people. The lady who saved Rexy is Rexy's patron saint. Awesome stuff.

[@mikelastname]

Slow Mo guys had an awesome triboluminescence effect on their bullet through multiple gels blocks, but this wins hands down. Fantastic! It looked like the special effects from a sci-fi movie when planets collide. Well done.

[@simon4043]

triboluminescence: I had to Google that. Thank you

[@I.no.ah.guy57]

​@simon4043 .....they literally spent the last few minutes of the video talking about it...

[@veedoe.v2]

The end...great little chuckle because of that

[@Zenmasterslim]

We go from science we barely understand to, 'Does hay burn?'.

[@TheJoebobmel]

RIP

[@AVoidStormWarden]

And these are the guys that sent a dino to space

[@gregmccallum3124]

@@Zenmasterslim Was that a pray for the end of Science with Gaunson?

[@bennynash6655]

As a ex-science teacher the collision and reaction of the two glass balls had to be the most amazing thing i have seen on the internet. Thank you for sharing it and all the rest of your videos.

[@-Dwight-Schrute]

Don't feel bad Gaunson, they had to look it up buddy! You knew what it was but you stayed humble and let them try... love ya bud!

[@Skinflaps_Meatslapper]

I knew exactly what the effect was as soon as I saw it, triboluminescence has been observed in a lot of high speed videos on youtube. Notably, on the slowmo guys channel more than anything.

[@legro19]

@@Skinflaps_Meatslapper Not sure it's that. Just like when you smash 2 steel ball strong enough it make a spark that can burn paper. Probably just the light of the spark traveling in the glass.

[@Skinflaps_Meatslapper]

@@legro19 That's a completely different effect. You're spalling a small bit of steel from the ball which heats that tiny fragment up immensely, and given the small size and availability of oxygen, it turns into a spark. Glass doesn't have the mechanism to produce a spark in the same way that steel does. I mean, you're trying to contradict something that's absolutely science based, repeatedly demonstrated, and explained beyond a reasonable doubt by comparing it to how a completely different material reacts to similar forces. That's not going to work out well for you man.

[@DaP84]

@@legro19 that phenomenon is exclusive for metals. Not what happens in glass scenario. A different physics phenomenon involving release of energy

[@legro19]

@@Skinflaps_Meatslapper You can do the same thing with 2 glass ball just put some glove. All you need is a very hard material hardened steel or glass don't make much diff. Since the contact surface is very tiny and the material don't deform the kinetic energy is transformed in heat wich vaporize ( turn in plasma ) the matter at contact point. But just seen sound travel at 4500 m/s in glass so yeah the shock wave can have go trough the ball in a single frame. But it's still doesn't look like any triboluminescence i have seen.

[@HowToCookThat]

That was amazing!

[@bloodclot]

18:55 main title -- save yourself from watching 20+ minutes of filler.

[@TheQueenOfSheba]

@@bloodclotno. I actually enjoy their videos.

[@stefanandrews5098]

⁠@@bloodclot Time stamped at 18 minutes and 55 seconds… “Save yourself 20+ minutes” Hmm…..

[@severalwolves]

@@bloodclotcool thoughts! [thumbs down / fart noise]

[@dacallp]

This is so cool! You guys are so wholesome together when you film, this channel is one of KZbin's treasured masterpieces!

[@agwager]

RIP Science with Gaunson

[@rafaeljoublanc129]

What do you mean, that was the best science with Gaunson segment ever

[@amonbrown2135]

Did you watch the end of the video? The whole video was "science with Gaunson".

[@echelon3282]

@@rafaeljoublanc129Did you see the very end where he was looking sad?

[@rafaeljoublanc129]

@@echelon3282 not sad, he was FOCUSED, like I said best segment ever

[@fleendarthemagnificent7372]

When you freeze the video at the precise moment of contact, both glass balls are divided almost in half vertically with the light, the other half dark with just a surface cap of light. The sheer amount of energy produced and released instantly is amazing!

[@BealsScience]

👍

[@coltonkutha]

19:56 Something like the Cherenkov effect where a charged particle traveling faster than the speed of light in an approximate material results in the particle and material combining to give off light.

[@valentinrigourd6709]

😂😂😂😂 bro is faster but not faster thé the speed of light

[@matt_artistry]

This might be the best video ever. So many amazing slow motion moments, the wonderful color explosion and the fantastic science moment at the end. You guys and the whole team did an awesome job!

[@Archimedes115]

It wouldn't have been as awesome without the snow. ❄

[@brandoncolemire4220]

22:05 I NEED a shirt with Scott just staring at the hay bale!! 😂

[@brandoncolemire4220]

@@moonsammy42 🤣🤣 absolute perfection

[@SymbioteMullet]

@@moonsammy42 Starring Christian Bale

[@davidbarrozo6621]

😂😂 i though that last part was hilarious too 😂😂 Guanson out a secondary job now hahaah😅

[@farronmain6718]

lmao

[@calvinculpalt]

I agree!!!

[@adblevins2]

Dual air cannons with aluminum foil balls how they look after would be fascinating

[@thejovihead]

So many good slowies in this. 1: glass balls 19:21 2: rubber band balls 11:08 3: spray paint 13:37

[@JaSon-wc4pn]

Coney Joney is the technical term for 19:21

[@sankalphatewar384]

3: Spray Paint 13:22

[@SamanthaYork-q4s]

One of the best videos from the channel. Felt friendly at the beginning. Almost like they’ve done it hundreds of times. Then it got more and more fun and focused. Then the finale and the connection between everybody on the team was just over the top levels of resolution. Happy for y’all

[@welcometomyjourney3982]

Thanks for keeping Rexy goin doctor K

[@NeuroTheory]

I knew this was gonna be good, but the glass spheres were even better than I ever would have thought. The confusion. The anticipation. The absolutely tremorous collision, and indeed, the immense satisfaction. Fantastic job!

[@Ralinos]

🤣 "Is that b/c the gauge is broken, or no air is going in?" "Yeaaah.!?."

[@RyanBlazeheart]

19:55 when the collision happens that is just such a beautiful freeze frame moment. If you did this with the Slow Mo Guys they would be so thrilled.

[@MrZeek1519]

You fellas should put a canvas in between the canons, and have it laying parallel to the ground with the canvas facing up. Then, whenever you shoot paint cans again... You can make some great art for your shop, or to auction off for charity!!!

[@BealsScience]

Love this!!

[@FVELOP]

That last collision between the two crystal balls was spectacular, and at the same time a very rare phenomenon was "documented." Another example of a discovery made by chance; there are many of those. Greetings from Chile.

[@GaijinGamerGirl]

Phenomenon, meaning they sparked when they impacted? Not really rare, just go mine some rocks with a pickaxe.

[@FVELOP]

@@GaijinGamerGirl I've seen it happen too, but what happens there is different. When hitting the rocks with the pickaxe, friction occurs on both surfaces. The heat produced in that friction is enough to heat the metal chips that come off the pickaxe (and possibly the metal from the rocks), which are the sparks that are observed. It is something similar to polishing metal with a grinder. The triboluminescence phenomenon seen in this video has another cause.

[@GaijinGamerGirl]

Fair enough, didn't watch the video as I assume that's all it was and I wasn't missing anything lol Doesn't seem like I missed all that much after all @@FVELOP

[@justinmeyerr]

its not what they said it was. ignition at contact is common. watch more high speed. we see an explosion, and shockwaves, and cracks. nothing to do with electricity

[@SerpentiCaptain]

Seeing the snow in slowy for reference is wild. It's hard to conceptualize how much something has been slowed down, but watching the snow crawl down the screen is so cool.

[@jakecharlie9574]

That was epic! That glass ball collision literally had my jaw dropped 😲 rare to see something completely new nowadays!

[@Lorddanielrushton371]

Much love to Dr. K. for always repairing Rexy. Last time Get the bell on, I think, was R/C car race when throwing stuff off the tower

[@KayCooperfromCooperBears11]

Thank you

[@travispeoples]

That was amazing! Amazing ideas. Amazing cannons. Amazing results. Amazing video footage. Amazing cannon operation. Simply Amazing! Well done!

[@uptodatenba]

# commtest - the last time scott asked to put the bell on was 2 years ago in the video "Blob launching 2x JET SKIS at the same time 100ft" love your vids :)

[@IngwiePhoenix_nb]

legend

[@brettstanford]

Is that just from memory? Or a random guess?

[@CDCI3]

​@@brettstanfordlove how you left out the "went and checked the videos" option =P

[@hhaste]

@@CDCI3 That wouldn't even be possible in that timeframe

[@uptodatenba]

@@brettstanford thats actually from memory believe it or not

[@Ethan-pr6pk]

Being from Montana considering the lack of weather we have had there is only two different times this could have been filmed. And boy was it cold. Mad props for braving the weather.

[@GenJackOneill]

This has been the strangest winter in a long time. it was -50 a few weeks ago, and the last few days have been in the 50s. The lack of snow is just flat weird. I hope it starts snowing and keeps snowing soon, otherwise, this is gunna be a very dry summer

[@Ethan-pr6pk]

@@GenJackOneill for real.

[@TBevill1231]

The collision of the glass balls was incredible! So satisfying to see! Here's to the rest of 2024 guys!

[@LaidBackSkiesFPV]

Can you make a video describing the differences between Triboluminescence, Fractoluminescence, Sonoluminescence, and Piezoluminescence? I feel like you guys could figure out a way to demonstrate all of them with your gear and knowledge. You guys got an amazing crew. Love ya'll.

[@benjaminhackett9614]

I think the Coney Joney lives on! In the frame where the spheres meet, the light from the collision illuminates an internal 'coney joney' present in both. It forms the basis for the hourglass/butterfly looking shape right before the glass completely disintegrates due the propagation of many many more additional cracks dissipating the immense dual cannon energy. Spectacular shot!

[@stormalexa8817]

It was good to hear all the HR throwbacks like the commtest again after all this time. 😂 Y’all gotta keep bringing that back!

[@CalTek]

0:35 That "Yeah" was classic. LMAO....also, as a Canadian, LOL'd at how you guys are handling the cold.

[@curiousfirely]

They were just adorable dealing with the cold. My Canadian senses say, if they are getting big flakey snow like that it's not proper cold yet.

[@potatosordfighter666]

They're aussies, most of em have never seen snow and cold for them is spring for us XD. I give em props for how well they took it. A bit of shivering in the beginning, but overall they mellowed down, even keeping their scarves off most of the time.

[@ireallyreallyhategoogle]

lol and that snow, like barely any snow, not even worth getting out the shovel.

[@jostallman8526]

They come from Perth Western Australia, where for a few days this week, it reached 47°c or 116.6°f in some parts. If they're going from a disgustingly hot summer to that, they've done really well, I'd be an ice block 😂

[@jasonpatterson8091]

They're also wearing "winter" clothes instead of real winter clothes. The locals with a hoodie and a Carhart jacket over top are way warmer than the guys who were wearing thermal sportswear nonsense.

[@megadon2]

13:30 you can see the green paint can on the right sparking

[@thehauntedninja5227]

thats sickk

[@Salted_Pizza]

nice catch

[@vaex_darastrix2194]

I'm surprised no one said anything about that

[@whitemaz3756]

13:33

[@3tr3x]

At 14:01 it was on fire

[@TSIRKLAND]

For you guys coming from Australian summer to Montana winter, you were troopers! Got layered up, ready to go, and powered through! Way to go!

[@dendedudeonkick]

AS A FAN FROM MONTANA THIS MADE MY DAY ! That last shot was absolutely amazing love to see science teachers so excited with yall .

[@BealsScience]

MONTANA!!!! Which part of the state?

[@mikaylabrown6606]

Was wondering the same, where in MT? Das where I'm from 😊

[@kb1975]

Ik I was excited bc I live in ND

[@007freakazoid]

Dutton reporting in! Wish I had known about this!

[@michaelfink64]

When I saw the colours of the paint can collision, I thought that was the best thing I had seen you guys do. When you mentioned that the last test was going to be between two glass balls, I immediately thought "double coney joney" but what you got was so awesome.

[@leighcouper4594]

That glass explosion at the contact point was great. Having two science teachers there was a bonus for their student to see later. Flash bang. My dad made blasters in the late 80's, we fired a ball of rags across the street and put a dent in the cyclone fence. The air tank slid back 10ft. Great vid guy's.

[@anorvell120]

This video had that old school HR energy and feeling. Love everything you guys do but this one took me back. Awesome, awesome, awesome. Cant say it enough. How GREAT!

[@ianmorrison554]

Possibly your most amazing episode - how you persevered in that snow and cold, the paint slowy and the glass balls. As a biologist my mind is just completely boggled by what happened there. Amazing how you keep producing amazing content.

[@chadwickerman]

19:44 Pro tip: if you are on a computer, you can use your < and > keys to move backward and forward frame by frame.

[@abilucksanvijeyakumaran891]

Best slowies, hard conditions, bringing back good old segments, rexy hospital visits, nostalgia and a scientific finding. If this is not the best episode of HR I don't know what is

[@BealsScience]

I agree!!

[@jennyd327]

I love the way you all get along. You’re humor and infectious laughter always makes me smile. What a great group of guys. Dr. Kay is awesome as well, taking care of Rexy! Watching you try to talk in the freezing weather was just an added bonus. ❤

[@xulahftw5108]

The lighting up of the glass balls is a compression "explosion" I think the flash only happens at the point of impact, but being glass the light is visible as it's being refracted before the balls shatter.

[@ubwing1]

The glass balls slowie was up there with the rbb/giant axe head slowie. Epic! Seriously, one of HR's best slowies ever. Thanks for ALWAYS bringing awesome content, boys!

[@amyzimmerman4923]

Welcome to Midwest winters, boys! Fun to watch you battle the snow. So glad you stuck it out or we would have missed one of the greatest videos ever!

[@nathanhorvath6751]

Montana is far from the Midwest… but still made for an epic video nonetheless

[@kj64gaming19]

That was insane! It looked like two planets colliding! Plus the spark when they hit was awesome! Top tier!

[@JohnnyRye99]

To me, one of the best videos yet. The excitement and joy were only outdone by the amazing shot. Respect!

[@tyler-carrington]

Gav and Dan saw the same phenomenon with their elephant gun experiment, 82,000 frames per second still was too fast.

[@potatosordfighter666]

People underestimate things like the speed of light of the speed of breaking glass. The speed of light is many many times faster than glass. Slomo guys have a video called "The longest 5 seconds on youtube" which is a stationary, perfectly in focus, 19 1/2 hour video, a full raw dump of the entire 5 seconds of recording at 343,000 FPS of a pyrex glass measuring cup breaking. At 343,000 FPS the 3-4 inch pyrex glass handle breaks in under 5 seconds out of the NINETEEN AND A HALF HOUR recording. Even at 82k FPS, no one was seeing anything of value.

[@DanAnderson-zo8mr]

This was fer sure the best video you guys have done for years. Welcome to Montana from Dan in Kalispell.

[@Exasperaties]

Gavin and Dan potentially had a triboluminescence moment a few months ago when they did the Kentucky ballistics guy shooting an elephant rifle in gel, absolutely wild to find out in this video what potentially occurred there. Love the intentional and unintentional crossovers!

[@timmytommy2921]

They are totally different phenomena. Whats happening with the ballistics gel is a diesel explosion. The bullet creates a huge cavity of air and antomized oil and polymer. As that cavity collapses, the air heats up to the point of igniting the oil and polymer in a small explosion, like ina diesel engine. I’m surprised they weren’t aware of that. As someone that watches a lot of gun videos, it happens basically every time clear gel is shot with a rifle and there are a ton of super slow mo videos covering it.

[@Exasperaties]

@@timmytommy2921 I'm talking about the initial point of contact on the gel with a flash of light, not once the bullet was going through.

[@ZandarKoad]

I don't think the explanation aligns with the evidence. "Materials scientists have not yet arrived at a full understanding of the effect, but the current theory of triboluminescence-based upon crystallographic, spectroscopic, and other experimental evidence-is that upon fracture of asymmetrical materials, charge is separated. When the charges recombine, the electrical discharge ionizes the surrounding air, causing a flash of light." It seems that the flash is occurring well before any material fracture could occur. And is material "fracture" even possible with ballistic gel? Perhaps on some technical level... It seems as though the effect is purely a result of the electrical forces at play, not mechanical. It's just too fast. Maybe the introduction of small, disparate voltage potentials is rapid enough to induce a temporary plasma state or other kind of extreme photon excitation, nearly instantaneously, until that voltage potential is equalized.

[@claytronsworld9485]

The science with Gaunson clip got me 😂

[@dukem991]

Wow big bang theory stuff when those two glass balls hit each other...one of your all time best moments boys

[@davism101]

I absolutely love Gaunson's science at the end. Great work.

[@ActualToucan]

Appreciate the Rexy health update in the same vid, boys. It's always scary whenever the big fella takes a nasty hit like that, and letting us know he's OK right away was good of ya. Cheers

[@sherlocksteve9109]

HR boys, this happens to be the best of the best videos you've done on this channel!! Everyone worked well together in the extreme cold weather. I hope you had plenty of tea and rest. This was really a battle of the cannons. The finale of the day (and SLOWLY OF THE DAY) is one of the best ever!! Gav and Dan: good luck. Ball is in your court. You regret not being there now. I'll mail you a humble pie if you want!!

[@chemden2304]

Real banger of a video today guys, that was something special. All of it. From fried chicken to glass ball-kinetic energy transfer-collisions. Amazing

[@PantsuMann]

Gav and Dan should absolutely try this again with their gear. That lightning flash was absolutely amazing. The explanation at the ending helps a lot. Imagine given more data(more frames) what we could do with this.

[@StianF]

At first I thought the "rare phenomenon" was at 9:26 with the basketball changing direction without additional external effect. Then I thought the "rare phenomenon" was at 13:33 with the sparks on the right paint cannister. Then I thought the "rare phenomenon" was 19:25 with the glass balls colliding. But obviously, the hay segment at 22:05 was the true phenomenal part of this video.

[@Archimedes115]

The snow actually came in the clutch to make an awesome scenery. Maybe the best HR video of all time.

[@midnightwolf9531]

OK, THIS IS EPIC. To see it even SLOWER, go to video settings > playback speed > 0.25 and then play from 19:55 for an even better look!

[@Sekir80]

Or you can press period on the keyboard to watch it frame by frame

[@jessicak4419]

This video referenced "get the bell on," "we'll pin ya," "coney joney," and science with gaunson. What a viddy. What a VIDDY! Thank you guys for being the absolute best

[@MADblogVideo]

boy, get the bell on, a commtest, coney joneys and science with gaunson (kinda) all in one video, this one was jam packed with old school goodies.

[@monkinator]

the paint can slowy and the glass ball slowy were so incredible! Thanks for toughing out the weather it was definitely worth it!

[@aubreyshumpert4113]

These kinds of videos are why this is my favorite channel on KZbin. Y'all just have the most infectious positivity and attitudes

[@DanaCornZine]

Seeing the boys so excited about that at the end, then explaining the science of it, put a huge smile on my face. It was so good.

[@nolanwittman5324]

i work at caliber collision and we play your videos all the time with our logo covering yours i was wondering if there paying you guys to do this

[@julianreedy4338]

Scott, at the end, was definitely one of the most comical things I've seen 😂😂

[@The_Herrd]

It’s right up there with the classic “well that’s not in one piece anymore” quote from the Swiss dam video.

[@Sypher474]

Best slowy of all time, and most philosophically challenging episode of Science with Gaunson by far. Absolutely majestic.

[@darth_pikachu]

Technically the bright flash originates from the impact point, as the pressure generated by the impulse becomes so high that the material ionizes and turns to plasma.

[@PhilHubbs02]

Looks like teddy bear Dr. Kay is getting some more business.

[@hopegold883]

Thank you, Dr. K.

[@davidjensen6596]

WOW...... The glass balls impacting is just simply amazing. Thank you for this footage that triboluminesence was incredible.

[@spulamander]

you need to use a sabot to get betteer launches. Love your channel.