World's Largest Horn Shatters Glass

Mark Rober
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I might upgrade my car horn to this. Shoutout to Portal from Facebook for their support on this video. Learn more and get yours at: portalfb.me/2OG9U7j
Watch the What's Inside video here: itvid.net/video/video-d9tA1icDPGY.html
Here is a behind the scenes video from the day: itvid.net/video/video-rJIc1iAQdPw.html
High Speed camera courtesy of www.aimed-research.com/. They rent high speed cameras at killer prices. Hit them up.
ELI20 version: I answered why you want a large outlet area but not necessarily why it curves like that. Anytime you have a sudden change in cross-sectional area in the horn you will get waves reflecting back at the source. You don't want that because that is wasted energy that could have moved forward. Even if it goes from a small cross-section to a larger, if you do it suddenly you get those wasted waves. So you want the horn to basically be asymptotic at the exit so you never have a jump in discontinuity when it exits to the wide open air. So a directors cone isn't as good as the curved shapes I showed because it still has the sudden change when it dumps into the open air.

0:10- Arrow- Andrew Applepie - andrewapplepie.com/
1:08- Dance- Danijel Zambo- danijel-zambo.bandcamp.com/
2:00- Kalimba Jam- Blue Wednesday - soundcloud.com/bluewednesday/
3:00- New shoes- Blue Wednesday - soundcloud.com/bluewednesday/
7:30- Ceral Killa- Blue Wednesday - soundcloud.com/bluewednesday/
8:47- Q- Blue Wednesday - soundcloud.com/bluewednesday/
9:46 Too Happy to be cool by Notebreak- soundcloud.com/notebreak/dubstep-too-happy-to-be-cool

Summary: I made a huge horn and broke glass with it and explored why horns are shaped the way they are.

They are soft- teespring.com/stores/markrober

I make videos like this once a month all year long while supplies last:
CHECK OUT MY CHANNEL: tinyurl.com/MarkRober-ITvid
FACEBOOK: facebook.com/MarkRoberITvid
TWITTER: twitter.com/#!/MarkRober
INSTAGRAM: instagram.com/markrober/

Scienze e tecnologie

Pubblicato il


28 nov 2018




Caricamento in corso.....

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Commenti 100
Александр Чаплиев
Скажи в трубу - беее.
Han Yat
Han Yat 3 ore fa
if you want God to forgive you dont commet here just go to the church and pray.
Maximo Ist Startklar
7:25 Calculator in pencil in the field
uwe wippich
uwe wippich 5 ore fa
Da kann man die Möglichkeit,die Realisierung der "Posaunen von Jericho " schon vorstellen.
Ranveer's Rocking Tube
I literally learned physics and math's from this video
Mosasaurus 14 ore fa
Bart: BRUH
Audrey Young
Audrey Young 22 ore fa
Someone give this man a world record for making analgies
codestrrgaming Giorno fa
How loud is it in real life
Banana Tubes
Banana Tubes Giorno fa
Worn head phone users cuz
Hannah Nelson
Hannah Nelson Giorno fa
sergsaa sergsaa
sergsaa sergsaa Giorno fa
Bjørn Jordan
Bjørn Jordan Giorno fa
Okay we’re can I buy one I need it for my trumpet to annoy my band teacher
Xp Projects
Xp Projects Giorno fa
2:50 What a nerd. "WOOOW SOO COOL" For what? For a TOY horn...
Peterowsky Giorno fa
"Lets make a giant airhorn and make sure nobody is wearing hearing protection at any time during this test." "And let's bring a kid too!" "And randomly slap... another kid in the playground????" What I WANTED to see was you cleaning up the glass you broke in the middle of nowhere, because most people wouldn't.
Hai lo
Hai lo Giorno fa
You got something with horns dont you hint: The Courtesy Honk
Atomic — Studios
Sounds like the titanics horn
Joy Chavz
Joy Chavz 2 giorni fa
Imagine that girl in the swing bieng gone because of him
fhhsvnggbh 2 giorni fa
If you want it to be louder......increase the PSI..... My cars airhorns make trains drivers look twice ;)
M.M hello gacha life
*1 year ago* *This is made in nov 28 2018* My not the only one who is this right-
Prince Zuko
Prince Zuko 2 giorni fa
i wonder if bart simpson got his hands on this
Jacob Myers
Jacob Myers 3 giorni fa
Imagine if it played when you were INSIDE the horn.
AUTO human
AUTO human 3 giorni fa
Like my dream
DiligentAnthonyR 3 giorni fa
Imagine this being an munuminte
Big Man
Big Man 3 giorni fa
Imagine a dad sneezing into this thing
Rehan Affandi
Rehan Affandi 3 giorni fa
The kupeng is budek🙂
Tyler Ziegler
Tyler Ziegler 3 giorni fa
So then why does sound travel farther on water ?
Ben Niu
Ben Niu 3 giorni fa
neighbors at 5:00 am
zoner 8
zoner 8 3 giorni fa
The horn is as loud as a cruise
Tom McKee
Tom McKee 3 giorni fa
Where’s the jacket from 3:50
Briomite 3 giorni fa
Use the horn by mounting it on a car lol
U M A R 4 giorni fa
ksi should get this next
Вячеслав Литвин
Ты битые стёкла убрал за собой???
307dim 4 giorni fa
Жалко нет русских субтитров
Fuad Adnan
Fuad Adnan 4 giorni fa
What really : 8:16
SamuraiXero 4 giorni fa
Poor jelly
Kostas Argyrou21
Kostas Argyrou21 5 giorni fa
Am i the only one that hears the horn of queen mary 2 ( A ship )
Ragin Terror
Ragin Terror 5 giorni fa
5:49 sounds like a ship horn
Yassin Mousa
Yassin Mousa 5 giorni fa
No way them whats inside i am a big fan of them
Vikram Singh
Vikram Singh 5 giorni fa
Imagine putting it in your car.
Rapyxl 5 giorni fa
dude? i was driving at the desert and i think i heard a ship
Karl Dastur
Karl Dastur 5 giorni fa
That should be the goal horn for the Toronto Maple Leafs.
Sauriel 5 giorni fa
you can summon viking raids now
NiVi OoF
NiVi OoF 5 giorni fa
this is very useful for parents . if their child is watching to much screens the parent will blow the horn breaking the screen.
Saad infinity
Saad infinity 5 giorni fa
Who else heart the horn when watching
Bijay Gurung
Bijay Gurung 6 giorni fa
A very large Thunderbolt horn.
ethanator 6 giorni fa
Did you know that he is in Dan and Lincons kitchen
Skrub Gaming
Skrub Gaming 6 giorni fa
that should be on ships its so loud
Douglas Jawi Anak Ugas -
Horn head has born lol
Izya Kotov
Izya Kotov 6 giorni fa
Spongebob alarm clock
Valdir de Aguiar Lima
Did you clean the broken glass from the floor?
yeahitskimmel 6 giorni fa
I once looked up how sound and our ears work like this, and I've been building speakers for the 15yrs since
Борис Кайсинов
- Хороший будильник
Draco1953 7 giorni fa
hopefully you cleaned up your broken glass.. dislike litter bugs
X_legends_ BG
X_legends_ BG 7 giorni fa
Its like a boat horn
Kubicko 7 giorni fa
1:27 i love the titles
Aberrant Artist
Aberrant Artist 7 giorni fa
Just imagine you hear the horn and think the rapture is happening lol
Ocean Liner Fan
Ocean Liner Fan 8 giorni fa
Horn: Is heard from 1 mile away. Everyone: (Impressed) *You do know ship horns can be heard from 10 miles away, right?*
Randomede TV
Randomede TV 8 giorni fa
3:04 *Thicc*
Chancho’s World
Chancho’s World 8 giorni fa
2:46 bruh
Anthony Rivera
Anthony Rivera 8 giorni fa
flame monkey
flame monkey 8 giorni fa
Ever thought about the fact that sound doesn't carry nears good in water as it doesn't air so would that mean that when SpongeBob and Squidward and all of his friends are talking they're really screaming
djordje rocenovic
djordje rocenovic 8 giorni fa
"Hey dad what's for di-" *SHIPHORNNNN*
rolando iradiel
rolando iradiel 8 giorni fa
this how loud i fart 4:59
Jacopo Tersigni
Jacopo Tersigni 8 giorni fa
go higher moko wovo
Devon Again
Devon Again 8 giorni fa
Can someone explain what’s the use of fibreglass? Fiber glass
Mr Chaos
Mr Chaos 8 giorni fa
I like how everyone of his vids are not scammed
mika 9 giorni fa
imagine driving all the way to the middle of the desert and realising you forgot a screw.
RADIN SYAH 9 giorni fa
It’d be cool if that fits in my car.
蔡志峰 9 giorni fa
Superbauer LP
Superbauer LP 9 giorni fa
not super crazy u can hear a festival from like 15 miles at night.
Oliver Lund Gytkjær
MUIsans 10 giorni fa
Mrbeast:sad mrbeast
Kay Findley
Kay Findley 10 giorni fa
4:53 after the chipotle
ryan john hernandez
ryan john hernandez 11 giorni fa
Diah perwita
Diah perwita 11 giorni fa
Im saving this vid so i can wake me cousin up :D
Gabby K.
Gabby K. 11 giorni fa
Mark Rober: ey wanna see something super cool Lincoln: yeah sure Mark Rober: * toot toot * My expected answer from him: huh? Lincoln's actual answer: woahhh thats SO COOL He's so precious aww 😂😂😂😂
Morkshan Media
Morkshan Media 11 giorni fa
you should do a video with elon musk :)
Among Us
Among Us 11 giorni fa
What I love about mark is he makes great content and he teaches us science
a person
a person 11 giorni fa
I feel like he started his career when his mom told him that he should go outside more often
The Grey Cat
The Grey Cat 12 giorni fa
Some guy far away in his neighbourhood must've thought the horn meant his neighbourhood was getting invaded...
Michael Monahan
Michael Monahan 12 giorni fa
4:53 how spongebob wakes yp
Daxton Hubbard
Daxton Hubbard 12 giorni fa
4:52 what sponge-bob has to listen to every time he wakes up
Anne Wilson
Anne Wilson 12 giorni fa
5:08 the horn is like a tunderbolt
Bailey Daily
Bailey Daily 12 giorni fa
This teaches me more then school
Stripes and jay
Stripes and jay 12 giorni fa
7:54, *Girl* I like your funny words magic man
FruitBat 12 giorni fa
this channel teaches me faster then a school
Diego Sepúlveda
Diego Sepúlveda 13 giorni fa
Now just imagine adding pistons or whatever mechanism to The Horn to use it as a musical instrument altering Its sound. 🤔 Just search the trumpet, the French horn or the Tuba blueprints and try to apply the mechanism to that Enormous Horn.
Subhan Adhikary
Subhan Adhikary 13 giorni fa
4:15... That instrument with motor reminds me of something else... 😂😂😂😂😂
Shy Shy
Shy Shy 13 giorni fa
That's the only reason why I came to the comment section to see If someone noticed what it looked like
Joel Ortega
Joel Ortega 13 giorni fa
4:58 T R I G G E R E D
Fieote Blatte
Fieote Blatte 13 giorni fa
userthegamer1 13 giorni fa
10 years later: So i will try building a building and then destroying in the middle of the city
Navinn Yim
Navinn Yim 14 giorni fa
First time I heard a horn ship in real life my windows where open so I closed it cause it was to loud think that would do something...
Dank Random Guy
Dank Random Guy 14 giorni fa
4:55 Best part. Loved it. The music seems very pleasant with headphones. Nice work.
Sarah Kerrigan
Sarah Kerrigan 14 giorni fa
Ralph Percy
Ralph Percy 14 giorni fa
feel like im in fourth grade agian... thanks for dumbing us down
BnORailFan 14 giorni fa
Did I see a Winnebago with smoke coming out of it off in the distance?
palopo23 15 giorni fa
Well well well... Now I know, where the viral sky horn came from. That huge sound frequency will resonance around the sky all over the earth.
AS F 15 giorni fa
Wow its lincoln and that guy
Wahoo 15 giorni fa
*spongebob : this is what i gotta go through everyday*
Joel Nunez
Joel Nunez 15 giorni fa
Quarantine got me learning how horns work
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