How Many Screen Protectors Does it Take to Stop a Bullet???
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- Опубліковано 29 сер 2021
- Demolition Ranch Tees here! Comes with a free hug if I catch you wearing it. www.bunkerbranding.com/pages/...
Watch me vlog. / offtheranch
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/ drdemolitionmatt
"Club Diver" by Kevin MacLeod from incompetech.com.
Outro music by MDK, • ♪ MDK - Dream Eater (N... - Спорт
Matt: Today we're going to start off with this BB gun!
Me: Dear God, this ammo shortage is worse than I thought...
🤣🤣🤣
Lmaooooo
Those bb guns are fun, I've had the dpms sbr one for a couple months now
A new baseline cos the .22 is getting through too much lately lol
The guns and ammo shortage is over bro just go to the store and look at the shelf it's time to leave the cave enjoy life again ya know
Sounds like a great opportunity for a collab with “Smarter Everyday”.
Let’s get that phantom slow motion goodness
that would be epic
Agreed!
Smarter every day is an establishment henchman
@@aneubeck4053 😂😂😂😂 unironically??
That's basically bulletproof glass though. Lots of tempered layers sandwiched with lots of plastic flexible layers. The reason the back cracked is just like the swinging balls physics contraption. The first ball is released swinging into the line of balls, the energy travels through all of them not moving them, once it get to the last ball the energy has nowhere to go but to get dumped into the last ball and cause it to go swinging.
The military has tank buster rounds that use the same idea. They hit the outside of the tank, they don't cause a lot of damage to the exterior, but the shockwave goes through the armor plating and causes shrapnel to break off on the inside of the tank, injuring the crew inside.
I was thinking the same. Thanks for confirming. 💥🎱 🎱 🎱🔨
best described as a waveform where it has pockets of large kinetic energy.
** laminated glass
so he should actually put it in the vice, queso shockwave would have nothing to reflect and phone just loose back cover
Oh man, the "Queso" got me real bad, I started laughing so hard. haha
Lol same
tf is that laugh "haha" orphan
@@suicidal4336 idk, why do you care?
@@Racc_Oon no one even knew about ur existence before u replied me here,who asked you?
@@suicidal4336 you know what? that’s fair. Have a good day!
"Queso" unexpectedly appearing really had me cracking up😂
I will never hear "ok, so..." the same again
@@jmcmaster9181 same
the fact that that never happens on this channels is so incredibly unexpected and hilarious
Me toooooo😂😂😂
same
Petition for Matt to get a Phantom high speed camera to film impacts like these. Would probably make for some really cool shots (pun intended)
Renamon
Smarter everyday has a phantom camera and would also love to know the physics of this video
He can afford it easily. I'm not sure why he hasn't added it yet. Would really set him apart.
I think it actually costs more than his Lamborghini
@@Blarg32150 Gav from the Slo Mo Guys is in Texas so I'm sure it would easy to get together
It looks like the 22 hornet delivered enough energy to create a pressure wave that bounced back and forth. Likely, the shattered ones are the node points where the reverberation back and forth in the stack created constructive interference. The pattern looked somewhat regular in distance like the nodes of a standing wave.
i don't know what he said but it sounded smart so i'm going with it
@rainier you ever seen how two different waves of water crash with each other on opposite sides? Well, that but on screen protectors. if you saw his video with the glass ball, it’s the same as well
Doubtful. Most likely is its like a Newton's Cradle. The screen protectors were not all connected, the bullet strikes the first section, transfers it's momentum through the next sections, exerts a large force on the last section. The last section then pushes outward and smacks the backstop (with the phone). The shattering was a result of the last section and phone smashing into the backstop, the from the bullet. If they put foam as backstop to catch it, it wouldn't have broken. Or if all the peices of glass were one single peice it also wouldn't have broken
Good work, gentlemen. One thing is certain, more data is definitely needed to be certain to any degree of confidence. Lock n load bois, it's smartphone season!
Someone just took Grade 12 Physics...well done good sir
"How many screen protectors would you like to buy???"
Matt: YES
It's a dead joke..
Like your parents
@@nzanthung5612 thats why you have one subscriber
@@Hedgemaster
I didn't know I had subscriber till you said it 😂😂😂...
Tf did that person subscribed me for?
I don't have any videos
@@nzanthung5612 honestly the man was just trying to give out good vibes, and you decided decided destroy it. Damn. Shake my fucking head.
@@Hedgemaster i thought you where talking about immortal when i read this. i subed to imortal i support dad jokes lol on thung.
The broken phone was a physics representation of a newton's cradle, the force of the bullet was transferred to the screen protector and when cleanly in a straight line to the end where nothing was there to allow the kinetic energy to go so it tried to bounce back breaking the phone and some of the screen protectors at the end before going all the way back to the very front and going into the loose screen protectors sending them towards you like shrapnel
For you Texans, it's like hitting a long line of white claws with a baseball bat. The ones in front explode, the ones in the back go flying but the ones in the middle just kinda roll away unharmed.
Righto, same phenomenon that happened to the glass orbs when you shot them and the backs blew out.
i was thinking about this as well
It's also what causes spalling in tanks when a powerful enough explosive hits on the outside and causes the inner layers of metal to fragment and fly off into the inside of the tank and the reason why they use a spall liner now.
This comment must be pinned
Sounds like a similar phenomenon to the Newton's cradle. The shockwaves travel in opposite directions, causing damage on the far side where they meet, coming from both directions, but leaving the middle area relatively untouched. Thet would also explain why the screen protectors would always fly forwards instead of backwards.
beat me to it!
Is this also why the glass ball breaks on the front AND directly behind he impact?
Welp I guess I was to late
That's exactly what I thought.
@@ty.willie15 similar, I think in that case the shockwave travels along the edges of the ball and then meet on the other side and at that point it breaks there because the shockwaves meet at exactly the opposite point of impact
not a physics professor, but I believe it's a similar reaction to when you shoot a glass ball. The shockwave distributes force on the opposite side as well.
Bingo!
I think your right. :)
I would hazard a guess (talking largely out my ass here) that the subsequent shatters occur where the shockwave interferes with itself, which would apply extra stress to the material. Maybe.
I thought that the ones that were brokeb are simply just lower in quality
@@427Arbok so basically harmonics... like a singing lady breaking a glass with her voice. Two shockwaves pressing against eachother, causing stress in the material.
That opening got me!
I've seen guys stack up multiple milk crates like that & it rarely ends well, but when the other guy dragged them away, I was in stitches!
The weird shatterring at the end might be due to a standing wave forming.
The incoming wave gets reflected and interfeers with itself forming peaks of high energy which shatters the glass in some areas and leaves some unaffected
What about declining EROEI?
I think the same thing happened when he shot the glass balls
I honestly think the strange shattering is due to the unequal tightness in the formation of the glass, Force transfers through solids but heats up oxegen particles when interacting with them, expanding the particles enough to crack the glass.
I think what we're seeing is the conservation of momentum. Even though the bullet was not able to go through the first relatively thin layer, all of the energy had to go somewhere. When hitting a target, the target will move back and because they're often made of steel and have a lot of mass, the inertia (amount of force it takes to move something) is greater. In the case of very thin laminated screens however, the force travels through the stack and can't dissipate the energy quick enough and it breaks.
TLDR: The difference between the glass and a normal steel target, is that the steel is heavy and can absorb more energy. The glass on the other hand can't absorb the energy and release it fast enough so it shatters.
The same thing goes for a metal target made from something brittle like iron. It's tough and can take a punch, but if it's met with too much force it too can shatter just like glass.
@@JRod0409 That would make sence if the 9mm also broke it, since the 9mm has more momentum than the .22 hornet, even though the hornet has more energy (speed wins in energy, mass has more effect on momentum). So its not the glass pushing back with momentum, its likely the shockwave caused by the extra energy of the hornet.
I laughed harder than I was probably suppose to when he said “K, so” and they flash an image of “queso”
Same
Lol for real that had me rolling bad when I saw I that I was like haha that’s a good joke right there
@@Rickthedino "had me rolling" irl face: -_-
@@NippyNep lol nah I really was laughing cuz it flashed the pic and then it hit me what he said lol
true
I love your tests like this they incorporate some of my own ponderings about "just what will it take to protect my.....?." And the fact you even push all boundaries.... Phenomenal!!!! Love ya man!
"How many mangoes does it take to reach the Moon?"
These are the question we NEED answered, folks.
9:10 Had me cracking up for way too long 😂
Damn I’m not the only one
Drinking game: take a shot every time Matt says, “it’s a smaller bullet, but it’s going really, REALLY fast”
Id die tho regardless of the shot type
He should get the phantom camera. The one “The slow mo guys” use
I’m drowning
I once drank two bottles of disaronno
I would be drunk in two seconds
Essentially the force of the impact and the shockwave it created moved through the screen protectors. The reason it didn't break all of them and only some of them is because of the shock wave moving throw the glass at different wave lengths as it fluctuates down the path. Once it reached the end, all of the force was expelled into the grounding object. This actually happens inside of a rifle barrel to and it is what us Bench Rest shooters refer to as, "tuning a rifle." You set the seating depth/neck tension/charge weight of a bullet so that the bullet is exiting the barrel the same time the shockwave is reaching the end of the barrel or when the barrel is "flipping". Any shot you take causes the barrel to flip and flop, the goal is to make a load that exits as soon as the barrel flips. This allows for an extremely consistent cartridge and 1/2 MOA groups at 1000 yards ;)
Does the larger caliber contribute to the more rapid dissapation of force and the small caliber passes through easier due to less resistance
@@taylorg9500 Yes the smaller point of impact pushes the shockwave differently.. Similar to how snow shoes work. Larger area distributes the weight or in this case energy and it dissipates much more quickly. Also I would guess there might have been a few pockets between some that could have contributed as well.
@@taylorg9500 さ
Very similar to what happened when he shot the giant glass ball
@@endking6832 It is not the shockwave - but it goes into a similar direction. The screen protectors are made of glass and a flexible plastic. The bullets are fast. If u slow it down with a highspeed-camera, u will see the following:
-> in the moment a projectile hits with its front the surface of the first layer, the bullet bend it a little bit before penetrates it. In this process it looses a little bit of kinetic energy and speed. Then follows a layer of the glass - there it loose the next part of energy and so on. On every layer of elastic material its produces a little bulge and the bulge pushes all other layers backwards. U dont need a highspeed-camera to figure it out - u seen the pieces flying in the direction of the shooter :D Thats exact the function-principe of bullet proof glass. The only different to a bullet proof glass windows is, in the bullet proof glass there are layers of glass and plastic are bound together with a flexible glue.
Modern tank armor works in a similar way; layers of flexible and non flexible materials are bound together and every layer absorb speed and kinetic energy in its own way and in summary stops the penetrator or deflect it.
I was waiting for the rest of the unbroken screen protectors to be shot with the 50bmg
Message me for your package 📦 ❤️❤️❤️
Resonance...
Everything is very simple!
Thank you for the video!)
Idk why but I just expect Matt to shoot something with a 50bmg at the end of every video
Disappointing when he doesn't. Should have put a screen protector on an old phone and send a armor piercing incendiary tracer round through it.
Totally with yah
i expect nothing less.
Haha I'm not the only one then 😂
I was expecting it too but after the .22 Hornet, I see why there’s no rifle rounds or the .50 BMG
This man is answering to the questions we never knew we needed answers to...
😐
What?
Lonely sandwich is high as hell
i swear you comment on every video i watch
Dang you arent that lonely you're everywhere
Lots of helpful information we get on your channel. Subscribed!
"How many mangoes does it take to reach the Moon?"
These are the question we NEED answered, folks.
Theory: Remember the glass sphere how it shattered at the back? It's a similar thing.
Think of a Newton's Cradle, you hit one end and it knocks the other end up but leaves the middle untouched. Instead of steel balls it's atoms but the same thing happens. The force gets to the end where there's nothing else to knock into so it's all released in the phone and last few screen protectors.
that is exactly what i was thinking, the only part i dont understand is that it wasnt consistent, some did crack along the way and stopped cracking, crack again, then stopped
Yep. Transfer of motion until it reaches the end of the line. Kung Fu Panda :P
This! I cane to say this.
I was thinking the same thing. I think the ones in between that got shattered where at some points where it was a bit looser stuck together: when compared with the Newton cradle, the spots between the balls in the middle.
Elastic and inelastic collisions
You have just demonstrated shockwaves and how they travel in a wave, which explains the missed screens.
Much more succinctly put than how I was going to answer.
Short and effective explanation, appreciate that
i don't know if that's 100% accurate
Makes sense for the solid glass spheres he shot, but strange that it works the same for what is essentially a glass laminate.
I remember myth busters did a test where they blew up 2 bombs and the myth was if you are in between both of them the shockwaves would cancel out and you wouldn't get hit, and they actually found out the waves doubled in amplitude. So wouldn't it have all turned to dust?
Поздравляю с 10 миллионами, сколько же сил, и терпения было потрачено, заслуженная награда!
Message me for your package 📦 ❣️
A lot of love and best wishes for you! you motivate me! a lot! Keep Rock!
It's like when you shot the glass ball, the energy transfer blows out the back end but leaves the center mostly untouched.
But why?
That was cause it was a sphere, doesn't make sense here
Its has to do with the shockwave. The front is soft, the middle becomes hard and the end is soft again. Same with the ball, the shockwave travels true the ball. In the middle of the ball/screenprotectors it cant move material, but on the other end of the object it can move material again.
It's the same physics behind high explosive shells and tank armor
The shell explodes on the front and the shockwave it creates will travel through the armor and explode it on the other side,because it can't penetrate.
he should do a collab with smarter every day about this
I think it's the same effect as a "Newton's Cradle" desk toy. The energy is transferred through the center and expressed on the end.
My thoughts exactly
I think you're correct.
That definitely passes the sniff test. Also, the Newton's cradle might be demonstrating both the glass ball vs bullet AND the screen protector vs bullet behaviors.
@@robwoodring9437 Different mechanisms. The sphere is about wave focus. A glass sphere focuses light, it'll also focus matter waves. In the middle, the energy is spread over a wider area, not enough to crack it at any location, but nearing the back, that area diminishes fast, and there's more energy per area, enough to crack it.
This one's separate pieces impacting on each other. The table isn't perfectly straight, they weren't perfectly aligned to begin with, it created small gaps between blocks of better attached panels. The damage is where those blocks impacted the next block over the gap.
..or so I think.
Now this makes sense
I'm a patient in long-term palliative care and I just want to say that your "will [such and such a thing] stop a bullet" videos make me happy on the hard days.
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Demo is pure sience! :D love it!
God almighty, that Queso made me laugh waaay more than it should have 😂
Caught me off guard and Man was it funny😂😂😂
Si señores. Queso? El nacimiento de una nueva meme.
HAHAHAHAHA JORDAN! YOUR COMMENT MADE ME LAUGH WAAAAAY MORE THAN IT SHOULD HAVE! YOU'RE SO FUNNY! HAHAHAHAHAHAHAH!
@@RyuzakiReaper 😂😂😂
@Vape kat Woah, Calm down there, little girl. No need to behave like a regular ol Stanley Tinnell.
Matt, seeing any random everyday object: "Can it stop a bullet?"
how many dead bodies does it take to stop a bullet
@@genericname8686 the military has studied this. I believe about 2, depending on angle and bones hit.
@@robertzapien5231 any source about it
@@jagmeetsingh9633 This is UA-cam 😂
How many bullets shit can stop
Amazing video and science! Comfort, TX Sept 18, camping out for first in line!
Best intros out of any UA-camr😂 prove me wrong
The Queso photo bomb had me rollin man!!!
Same lol
You should draw a diagonal sharpie line on the side of stuff like this so you can piece them back together easy.
Hope he reads this ..lol
For real. Simple solution.
just write numbers on them as you stack them. I have always said he needs a sharpie to write on things he shoots to know the order...SHARPIE COULD BE A SPONSOR
You should do material testing with angled targets, to see how much angle it takes to start making a difference with a material of choice. I think you should theoretically be able to calculate the effects, but it's much more fun to just test and see. Just, uh, make sure the ricochets are pointing in the same direction.
I’ve been following your Chanel for a long time now.
You never failed to entertain and educate me.
I’m also interested in tattoos, wondering if it’s possible to deliver ink into the dermis layer of the skin with a blank round and metal stencil.
Obviously this should not be done at home…
Thank you for all of the joy you bring us.
PS… I won’t tell Mayor
-Jakez
The way matt turned around and asked "are you ok camera man" and the camera just not saying a reply gave me intense "playing a silent Main character in videogames" vibes
Hahaha
POV: You’re the Guardian from Destiny 2
Matt: “I have this new gun, an SBR, full auto”
Matt’s ATF agent: OwO
Matt: “bb gun”
ATF: :’(
More like ATF: -_-
He’ll get a cease and desist letter anyway even though the agent has never seen a full auto bbgun
*AFT :P
@@helidude3502 ATF does cease and desist letters??
Has anyone realized the ATF is redundant? Alcohol and tobacco are regulated under the FDA and DEA. Without the firearms part the ATF has nothing.
Please do something with Jocko he's an absolute legend and one tough SOB.
I second this
There's few servicemen who feel it suitable to interact in the circles of Gun UA-camrs. They're tough SOBs yea, but you can't kill that many men and still find guns fun to shoot recreationally. Its like suggesting that they do videos on airsoft games. It'd be like a physics professor teaching kindergarteners.
@@tipi5586 true my friend... They don't have to shoot guns, I'm sure anything they did together would be outstanding.
@@tipi5586 I dunno bout all that. For some soilders, what you said is correct. Not so much for others I would imagine.
Answering the questions that keep me up at night.
The .22 Hornet was like Newton's Cradle, the energy transferred through.
Exactly. The panels that shattered the first time the wave of energy passed through could no longer conduct the energy in an effective way when the wave rebounded so that explains the gaps in breakage.
sounds right to me, if you look closely the shattered parts seem to be where there was a small gap in-between larger clumps of glass, making an impact.
Force of Impact, like when a martial artist hits the top brick, but only breaks the middle one and bottom one.
Ya the energy had two go somewhere, it couldn’t go to the side (like a steel plate), and there was no cushioning (like kevlar, water or soft metal), and the phone was the end of the line for energy transfer.
The effect is called impedance mismatching, when sound (or other waves) move from a material with one speed of sound to another.
Anyone else want to see a smarter everyday/demo ranch meet up? This would be a good topic.
That would be a sweet collaboration. And thanks for the answer, I was curious too.
I actually think the impedance mismatch could me worse because of the fact that the protectors were several glued together blocks leaned together, so the wave changes speed several times between the blocks.
Atleast if I remember my university physics enough :D
if he would of stuck them in the exactly same density than both shear and pressure waves would of had the same velocity
I think it's more likely just newtons cradle. If it was harmonic waves, they would harmonize as the material is practically homogeneous, even if composite. Remember, glass is incredible vs sheer force and compression, and weak in plastic deformation.
The front got freaking shot by a bullet, so yeah, it breaks.
The center got compressed, but had the mass in the back to keep it from bending.
The protectors in the rear could flex, and thus bend and break.
Impedance implies resistivity wich implies electricity. Im not making the connection pls help
This sounds so sick!! I wish you guys were in NH!!
Love your stuff
Matt: “No one actually likes that caliber…” (.380)
James Bond: “Huh?!?”
James bond shoots people with a 380 and they go flying backwards and roll down a staircase.
@@mhedden033 They die to the staircase lmao
I’m not a fan of .380 but I definitely wouldn’t want to be shot by a .380. If it’s what you got it’s what you got.
@@mhedden033 Even worse, James Bond upgraded to a .380. He initially starts out with a .25
I actually think bond uses a .32 caliber but I could be wrong
Matt: I'm gonna have glass fragments all in my fingers just for you guys. Your welcome.
Everyone: PUT ON SOME DAMN GLOVES!!!
@@JackHudler yes
bruh that what me was thinking too
And a face mask
That was actually pretty impressive!
You rock bro!
I have to say, this test ended with one of the most interesting results since the bent barrels!
Thanks, for not spoiling it.
We are scientists
@@CooperBMX is that sarcasm
@@monkewithabone No? Why,
I think it’s having a similar affect on the screen protectors to when you shot glass and obsidian spheres. it would blow out the back from the shock wave of it being hit
I'm going with force....force is doing it.
@@alexb7641 i think its the bullet
Like sound, terminal ballistics causes a compressive wave that travels longitudinally through a medium and is reflected back on itself unlike traditional waves that travel perpendicular to the medium. I would think the areas that survived were nodes of destructive interference where reflected force negated initial impulse and areas that were destroyed were nodes of constructive interference where initial impulse was amplified by reflected force.
@@bdwilcox like I said.
i think its all frequencies of vibration. glass handles thermal shock decently well, but tempered glass especially handles vibrations very poorly. it also extremely poorly handles PSI. it uses shapes to be strong, and flat panels are very weak.
glass is also unpredictable because of its poor handling of vibration. certain glass especially heavy panels could snap if dropped wrong on even thick carpeted floor. it doesnt even need an object harder than it is to hit it.
Thank you(for the hand glass fragments)
Man I lovve the Rifle cam so much. Great Idea! I would reccomend just keeping the audio from your main cameras and just using the barrel cam as a cut away shot. Great Job!
This one felt almost legitimately educational.
All of matts videos are almost educational
Almost 👌
Edgeofcational
@@trueaussieray9093 nice
I lol'ed a lot with that unexpected "Queso"!
Makes me want some nachos
that "queso" quick insert was genius. took me a quick second to appreciate it.
--.- ..- . ... ---
That crate challenge had me laughing too hard lol
I swear, Matt is the person your math teacher warned us is about... "If Matt bought X amount of milk crates, and someone tells Mere he bought a new gun. What would be the body count?"
"12, and Matt's body was never found" 🤣🤣🤣
"We need a scientist" I was expecting the slow mo guys and destin from smarter every day to appear
broo You need to expect less from life coz its not giving easly xd
@@ne0395 there's no such thing as can't!!!
Or Edwin
I was expecting Dr. Garand Thumb
I’ve been thinking for years that a collab with demo ranch and the slow mo guys would be amazing
😂😂 I always love your intros
Best video I have seen of this crate challenge 😁😂👍
Matt it's the same physics principle from back on that glass ball. The applied force to the front traveled to the back as the force was distributed across the surface area, down the edges of the screens then culminating in the same point in the back where the phone was.
@Something sometime wow
It’s the same concept with Newton’s cradle the two balls on the end move because it has nothing else to transfer the energy to
Also the reason why some screens cracked in the middle is because they werent as close to the other screens and as such didnt transfer the energy fully but absorbed some of it
@UCBfJHyJQPFy1L5EJoxSkYtQ fc off zealot
@@JJT3001 your right on that part, I'd be willing to bet that those screens had some ever so slight gap that didn't allow the transfer of energy freely as others which is why it went broke, good, broke, good etc
You need to get Destin from Smarter Everyday down to the ranch, I'm sure he would love trying to find out and could get some awesome slow motion of the impact
I'm sure he could shill for government and corporate censorship some more too.
@@a22024 Beg your pardon? Is Destin cancelled now too?
@@colavfreak2 I guess he's mad that Destin is a proud seaman and got to go on an underwater boat, but had to censor mission critical things on the underwater boat?
Yeah definitely. 👍
@@colavfreak2 No, rather he defended the cancelers. His videos on social media/disinformation/foreign influence avoided pointing out that domestic government influence, and social media owner's attempts to mitigate outside influence, is not from some noble pursuit of truth but to control the narrative themselves. He described Reddit as 'a place to freely exchange information'...
Haven't seen Nick Irving in awhile... those were always great vids.
It looks like whatever the material that keeps the glass together after breaking has some elasticity and is sending shock waves pretty cool
Conservation of momentum, the same effect as how a Newton cradle works, that's also why it throws the first few back towards you
Good ol Newtonian laws lol
Wows
That's actually the first thing that came to my mind and I wanted to see if someone else had the same opinion
You hit the nail on the head. That's what I thought well after asking My Husband
@@22640cal I know Right 😎
Man, who needs screen protectors when you’ve got a simple UNO Reverse Card
i dont get it
Das rite
but ill still like the comment
Protects you and your phone and kills the shooter
GENIUS comment sir
Matt, да это магия! Просто кто-то из подписчиков подумал, -"Лучше бы мне отдал телефон!", вот он и сломался! :D
First time hearing about 22 hornet. Very cool I want one now!
“Glass is glass, and glass breaks.” - JerryRigEverything
“Deeper grooves at level 7”
The kinetic energy from the bullet was carried through the screens, when the screens were at their most rigid (front, middle and end) the force shattered the screens, the force was so great due to the bullet being so small and travelling so fast like pushing a pin through paper, so ultimately when the kinetic force reached the solid phone it was still strong enough to break it
Nerd alert
So why didnt those in the middle break? 🤷♂️
@@KyleInOklahoma just
So you think it has anything to do with the wave of energy going through the glass. I agree with you that it is definitely the most rigid spots that took the damage. But I think it might have something to do with how the energy wave went through the glass and the frequency might have something to do with why some are broken and some arnt. I think a better test would be to put tape around them and then shoot them so it is a constant of how rigid the glass is. But it still really cool!
@@Rattenomics I think it may happend because of small bubles of air.
When there is a small space between protectors, they break because they hit each other.
If they were perfectly together, without any spaces between, they did not break. Just my opinion
A minute and a half in. That’s when I realized the ammo has become more than Matt can afford.
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I’m sure there have been a lot of people say the same thing but i think it would be really awesome if you also used a high speed camera on the impact to see what happens. Especially on weird instances like in this video. Love the channel!
Realization upon seeing the layers fly off: "Matt discovered the basic concept of Ablative Armor"
Remember when you shot the glass and obsidian spheres? The explosion on the back portion because of the shockwave in the front.
This is a little different than how the sphere worked. The sphere was based on the shockwaves converging after transfering around the sphere where this one seems like the frequency of the screen protectors was what caused the transfer of energy from the impact to the phone.
Kinetic energy is great 😊
Guy I work with got me on your channel. Now I watch every episode. Lol
The first time he asks the cameraman if he’s good, and i squealed with joy.
No way you squealed.
@@DR-JOHN-DEJAVU-1984 camera guy gets no love. They are always silent and still, we only know them as camera guy. Thats why i love Edwin and Gez
To explain the cracked screens in the back, look up a video of Newton’s cradle. Conservation of energy and momentum causes the force of the impact to transfer through the screens in the middle and dump the energy into the screens and phone in the back.
9:10 I replayed this bit because it caught me off guard and then I liked the video.
Walked away with with the tied together milk crates....fully automatic like button. Lmao
"If I had to guess, the back screens received the highest impulse against them as they bear the force of the bullet and front screens. The middle, untouched sections didn't receive the initial impact trauma and didn't have the push of that many objects against them", from Matt, my physic prof friend.
yeah, that what I'm guessing too, the random ones in the middle are probably broken because of the repeated impact from the different test, it created a bunch of microfractures and they eventually broke, the ones that survived are probably a lot weaker than if they were brand new.
It spalled like it was a thick piece of tank armor hit with HESH.
Kinda like the newtons cradle and how the transfer of energy skips whatever ones you dont directly force initially?
Wouldn’t it also relate to how frustums and the way a bullet impacts. The bullet hits the first screen then the pressure of impact is pushed down the screen protectors in a frustum shape?
I also wonder if maybe the screen protectors that shattered in the middle, shattered due to small air pockets in between. Not having full surface contact leaves room for physics to do what physics does.
how did he stick 50 of them together so perfectly i can barely stick one on my phone straight
Definitely want more videos like this, where is the stability test of a stack of telephone glasses from .50 BMG?))))
It is clearly shown how the wave spreads and the interference of the waves also manifests itself through a physical shock.
Reminds me of the glass and obsidian bowl. Its something with the glass carrying a lot of the power to the other side of the glass.
It’s the same concept as Newton's Cradle. The energy travels through the middle without affecting them. The few that broke probably had gaps. 👌
UGHhhh tight oh yeah
I came here to say something similar to this.
the ones tha didn't break appeared to be connected fairly well, if i had to guess, what cracked them was a pressure wave and the reason some didn't break is because of interference, since there seems to be a semi regular distance between each group of cracked screens
NERRDDDD
affecting
You should collab with SlowMoGuys to answer some of these weird questions, slow motions shows A LOT
Slow mo guys have done a few gun vids before. Nothing demo ranch level but still interesting
I was about to comment this lmao
Literally thinking this the whole vid
@@neer-do-wells5211 I know they did, this is why I thought having them on DemoRanch would be great, as the type of riddiculous ideas Matt has would great in slow motion
For some reason matt never considers this at all, very big shame
Best intro everytime
It's like the same reaction as the glass ball. I has some weird ripple/wave effect that damages both ends but not the middle.
Why do you always answer all the questions I never knew I would ever want.
You copied someone else’s comment lol
Copy and paste.
Yes I've seen this before but agree
Matt: "We had a bunch of people come out... Donut... A bunch of my friends..."
Just casually glossed over: Donut is NOT one of Matt's friends 🤣
Or look at it another way, he sees Donut above the others?
Love the reference a Christmas story
Solid Intro is Solid.
I laughed far too hard at that!
"Queso" got me. Laughed so loud.
Same hahaha
"Queso..."
Not gonna lie, I lol'ed
It’s pressure waves at resonant spots like standing waves and I bet similar to the crystal ball when it comes to pressure transmission for the damage that deep
Newton’s cradle in effect. That was really cool.