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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.

MUSIC-
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.

MERCH-
They are soft- teespring.com/stores/markrober

PLEASE CONSIDER SUBSCRIBING: tinyurl.com/MarkRober-Sub
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I make videos like this once a month all year long while supplies last:
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TWITTER: twitter.com/#!/MarkRober
INSTAGRAM: instagram.com/markrober/

Scienze e tecnologie

Pubblicato il

 

28 nov 2018

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Commenti 18 600
Naveen Lamba
Naveen Lamba 25 minuti fa
1:20- Breaking bad location
Acrolein
Acrolein 3 ore fa
Im so HORNy right now
John Medway
John Medway 4 ore fa
Legit full volume with headphones when they used the horn
mine craft
mine craft 6 ore fa
went the horn went on for the first time my internet stoped 😆
Twig 46
Twig 46 7 ore fa
you made the largest drone for a bag pipe
be a good kid
be a good kid 7 ore fa
R.i.p headphone USERS 4:51
Nick & Carolina Strange
It’s a ship horn
Brady_gaming _
Worlds biggest and loudest thunderbolt
Andy The beast
Andy The beast 11 ore fa
#1
major general bernard Montgomery
Is like a sound of a ship
Andre Waskewitch
Looks like a thunderbolt 1000t siren
Lupe B
Lupe B Giorno fa
4:53 OWWWWWWW I’m using headphones with the volume up
Johnny Blaze
Johnny Blaze Giorno fa
Now that's the world's largest Thunderbolt siren for giants.
TessSway BP
TessSway BP Giorno fa
Army men *hear that* Generals : WE’RE BEING ATTACKED!!
Kelvin Schrieken
Its just spongebob his alarm clock
yeetamal
yeetamal Giorno fa
Ouch when the little boy said wooow that's so cool I cringed as I knew he was only like "gotta make him happy"
Philip Webb
Philip Webb Giorno fa
A dB meter would have been informative and would have led to further interesting experiments.
KacamataOnline
KacamataOnline 2 giorni fa
Now i understand what my teacher talking about 10 years ago about frequency..
Hayden Cutrone
Hayden Cutrone 2 giorni fa
Trians should have that
escapedlunatic27
escapedlunatic27 2 giorni fa
It shouldn't have surprised anyone that a large enough horn can be heard from that far away - Swiss alphorns have been around for centuries, and their sound can carry over 6 miles.
William Shakespeare
Hey sexy ;) xxx 4:05
The Ghillie
The Ghillie 2 giorni fa
I thought he said *Whores* in the beginning.
Name: Redacted for pravicy O-Council
Bart simpson Liked this video
TonAndIno
TonAndIno 2 giorni fa
but it aint the same shape as the smaller version
Julius Quasar
Julius Quasar 3 giorni fa
*pulls tiny horn from my pocket and squeezes it gently* “Aaaaaaawwwwwwoooooogaaaaahhhhh!” *shatters motorist’s windshield*
Red Edits
Red Edits 3 giorni fa
Is dat arizona where u put it together?
Big Chungus
Big Chungus 3 giorni fa
4:58 when lizzo farts
Oskarek
Oskarek 3 giorni fa
That's how people does earrapes
Andy DUNNE
Andy DUNNE 3 giorni fa
Jelly block
Sherwin Catarata
Sherwin Catarata 4 giorni fa
PURO SALITA KAYO NAKAKAINIS NAMAN WALANG MANONOOD NITO
bingle
bingle 4 giorni fa
Didn’t destroy a watermelon so it isn’t a real mark rober
michael bergmann
michael bergmann 4 giorni fa
This video reminded me when you broke the glass of The Slow Mo Guys
Brendon Calder
Brendon Calder 4 giorni fa
COOL AMAZING WORK
Condensed Milk
Condensed Milk 4 giorni fa
No one: SpongeBob's alarm clock:
Laken Boudreaux
Laken Boudreaux 4 giorni fa
I honestly learn more watching Mark”s videos than in school
PokeMagiCraft 324
PokeMagiCraft 324 4 giorni fa
Nice
Jonathan caraballo
Jonathan caraballo 4 giorni fa
So much math
Kavitha Venki
Kavitha Venki 4 giorni fa
The 1 mile sound was like the minecraft raid sound
SneakyShrub34
SneakyShrub34 5 giorni fa
Normal air horn : test Gigantic air horn : *TYEEEEEEEEEEEEEEEEEEH-*
yona hanekas
yona hanekas 5 giorni fa
in a several country..viral a sound from the sky..maybe that horn the sound from the sky😂
Dai Vinh
Dai Vinh 5 giorni fa
Well... Rip headphone users
Fox McCloud
Fox McCloud 5 giorni fa
That's more like a foghorn
Seamus Goodlad
Seamus Goodlad 5 giorni fa
What was that FPS of that glass breaking filmed at?
Game Zone CZ
Game Zone CZ 5 giorni fa
4:05 eeeeeh
Sherry Yang
Sherry Yang 5 giorni fa
earrape to headphone users
rex mundi
rex mundi 5 giorni fa
Then the T-Rex showed up looking for love...
Landen
Landen 5 giorni fa
"go highawer, mawk rabawa"
pyropunk2491
pyropunk2491 5 giorni fa
You should hashtag some of the keywords you covered because this is a great video to show to a classroom.
sgtgrash
sgtgrash 5 giorni fa
Mark Rober: I GOT DA HORN!!!
Trains and more
Trains and more 5 giorni fa
The horn sounds like one on a cruise ship
brockvoyk
brockvoyk 6 giorni fa
4:06 wow that remind me of a video i watched earlier...
Lefty FNAF TR
Lefty FNAF TR 6 giorni fa
İ dont care how jelly system works *I JUST WANT TO EAT İT*
CrabEnchanter
CrabEnchanter 6 giorni fa
spoiler alert its bassicaly a boat horn
Random Person
Random Person 6 giorni fa
I can hear the high school marching band in my area from about a mile away
Shindinder
Shindinder 6 giorni fa
4:52, 5:37 sounds like war of the worlds' tripod "BWAAAAAAAAAAAAAAAAAMMM"
A Duck
A Duck 6 giorni fa
4:54-4:59 𝕚𝕤 𝕖𝕧𝕖𝕣𝕪 𝕠𝕟𝕖 𝕠𝕗 𝕞𝕪 𝕥𝕖𝕒𝕞 𝕞𝕒𝕥𝕖𝕤 𝕞𝕚𝕔𝕤
Awesam Art
Awesam Art 6 giorni fa
I'm quite surprised myself that the glass of the camera didn't break 😂
Vanessa Flynn
Vanessa Flynn 6 giorni fa
whats inside medal
vpnchick
vpnchick 6 giorni fa
Imagine bringing that giant horn to WWIII.
Mike Dimo
Mike Dimo 6 giorni fa
MARK WHERE DID THAT CHILD COME FROM dont be mj
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