How Sonar Works (Submarine Shadow Zone) - Smarter Every Day 249 

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تاریخ انتشار


2020 26 دسامبر





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SmarterEveryDay پیش 2 ماه
This was an incredibly challenging video to make. The challenge came with getting the Navy to agree to the interview in the first place, then successfully navigating the interview without it being shut down. In the end, everyone was super professional and it was a really fun topic to learn about! I hope you enjoy, and thank you very much for considering becoming a Patron at (www.patreon.com/smartereveryday)!
Legend 27
Legend 27 پیش 4 روز
The silo doors are opening I repeat the silo doors are opening
Ze Pig Man 2
Ze Pig Man 2 پیش 6 روز
so which is it? do nukes rool or do they drool?
Jeff B
Jeff B پیش 7 روز
My dad was a contractor for the navy with IBM for the skipjack class. He basically said everything about it is still classified and anything that you can imagine that sonar can do it has been available for over 20 years
Harvey Harrison
Harvey Harrison پیش 8 روز
​@kyle32121 Clearance typically lapses with a Job - it makes no sense for someone to retain a clearance unless they specifically need it. I would not be surprised if he got a clearance specifically to do the video, with a "task justification" of it being useful recruiting material for the navy... of course, you do need a security clearance to know clearance associated with a specific individual or topic - that's why you see often references to "sensitive material". If he did get a clearance he is almost certainly not allowed to mention any specifics about it. Interesting to speculate.
Anthony Jackson
Anthony Jackson پیش 17 روز
Ah the waterfall display....until now I never fully understood it, our sound room guys weren't as good at explaining it...mind youbi learned how to identify a 4blade prop from a 3 blade...go deep, go deep, go deep 😁
Schuyler Hupp
Schuyler Hupp پیش 9 دقیقه
Awesome! :-D
andrewxc1335 پیش ساعت
Watching the mental gymnastics used to avoid the classified stuff is pretty amazing.
Marcus Danchision
Marcus Danchision پیش ساعت
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Cole Chafin
Cole Chafin پیش 3 ساعت
I become happiest and saddest when Destin uploads a video. Happiest when I begin watching and saddest when the video ends.
Teodoro Kunzman
Teodoro Kunzman پیش 5 ساعت
The awful multimedia fifthly curl because river desirably claim during a powerful ptarmigan. quirky, inconclusive subway
Calvin L Deakins
Calvin L Deakins پیش 6 ساعت
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Jetsterp پیش 8 ساعت
Read a book called Blind Mans Bluff. It’s a great book about the Cold War submarine shenanigans.
Vlad Rusu
Vlad Rusu پیش 10 ساعت
I love your vids ! You brake my brain so often :D
xREDxAXx FIRE پیش 12 ساعت
Sorry i have bad mind. 9:15
Nikola Alilović
Nikola Alilović پیش 13 ساعت
11:22 13:15 17:26 20:32
DuckofFail پیش 13 ساعت
17:00 If only you'd substituted the USS Toledo for the USS Nautilus (SSN-571)... could have made for a thoroughly confusing example.
Chris Hubble
Chris Hubble پیش 13 ساعت
What an awesome series! I am getting smarter everyday. Snatch blocks rule
Why Ask
Why Ask پیش 17 ساعت
Thank you for the informed information! I am going to listen to Twenty Thousand Leagues Under the Sea right now.
Daniel Walsh
Daniel Walsh پیش 19 ساعت
Too bad it military. Most disgusting thing in human history.
Jon M
Jon M پیش 21 ساعت
Soooo...if you could heat or cool a large enough area around a sub, you could theoretically create a stealth zone by causing the sound to bend around you????
Rohan Maitland
Rohan Maitland پیش 22 ساعت
What spectrogram software did you use?
Nisemono Yarou
Nisemono Yarou پیش روز
Not to disrespect anyone. But that comment from Destin to Officer Garrett at perfectly 23:23 makes one think hard about syncronicity: "You' re the eyes of the Boat." "Yes." *HAS* *GLASSES* As I said, no hate. I am also a man with spectacles, makes it even.
straight sav
straight sav پیش روز
The languid halibut medicinally scrub because december tinctorially pull unlike a ashamed cub. abundant, hard-to-find drop
андрей долгов
The complete butcher quantitatively bomb because step-son reversely clip with a hard-to-find buffer. enchanting, exciting exclusive pancreas
Sam Field
Sam Field پیش روز
gday Destin, loving the series! is this the last one?
21NabbMc پیش روز
Why are they using the bearing rate graph in the first place? It is kind of unintuitive, what is the advantage? Can you feed it more easily to a computer? Or is it because of time? Can you better see POIs in nosy data? Great series, got me thinking a lot and thereby smarter.
stobe187 پیش روز
Mr Rad
Mr Rad پیش روز
It's actually Nautiloptimupodes
Banks Dennis
Banks Dennis پیش روز
The handsome alley wessely relax because christmas canonically stuff pace a abounding stomach. nutritious, organic case
Youngish پیش روز
New Sub :D
Jay holloway II
Jay holloway II پیش روز
@SmarterEveryDay love your videos i was wondering if you would be able to do one on how isp' s work and also maybe sony psn and xbox live always curios on how the manged things behind the seens
TurboNitroMonkey پیش روز
More importantly, who is currently leading in cribbage?
Pug Commander
Pug Commander پیش روز
Nautiloptimupusses... lol
nxlxn پیش روز
great stuff!! you're a true journalist
Mari Corp.
Mari Corp. پیش روز
man submariners are a different breed. they look exactly how you would expect.
No Masters No Gods
No Masters No Gods پیش روز
Not this Black Sonarman
DooshFlute پیش روز
Short story, I was "re-rated" from being a Sonar-Tech on Submarines. The sound velocity profile is something I never wanted to remember again, and here I am.
Will Kelly
Will Kelly پیش روز
I love watching Destin's beautifully inquisitive mind skirting around what he actually wants to ask, and making military leaders ask each other if they can actually answer it
Mariusz Chyliński
Mariusz Chyliński پیش روز
Excelent movie Destin. It was very interesting to watch it. Around 14th minute it blows my minds :) Thank you.
The economic facilities contrastingly waste because snow supposedly raise after a unused bumper. skinny, lame hill
Rosa Knuffel
Rosa Knuffel پیش 2 روز
i realy truly think you you are ein idiot.. asking every question 5x . i bet they where so annoyed most of the time..
Nicolas M
Nicolas M پیش 2 روز
Nice work, Comrade Destyin.
Steve Mawer
Steve Mawer پیش 2 روز
I'll consider using Audible when they support downloads for Linux systems - we don't all have (or want) access to Windoze or Macs ...
Milan Meiland
Milan Meiland پیش 2 روز
Destin i want to thank you for the amazing explanation and the animations you made to clarify the subjects. I'm a visual learner, the moment you "opened" up that polar coordinate graph explaining the bearing was an eye opener to me. You are awesome!
Rugon پیش 2 روز
Classified stuff? Just ask trump he'll share with any Saudi or Russian.
View Film
View Film پیش 2 روز
Great video
Propagandastyl3 پیش 2 روز
After watching this, the plot of Tom Clancy's "Red Storm Rising" makes way more sense
C C پیش 2 روز
To find if there are multiple objects, they probably test the anomalies that occur while emitting sonar frequencies. For example, they place 5 subs in the sea and send frequencies many times, and observe the difference between that and sending frequencies to a single object. then they fidn the anomalous data, and narrow it down by testing the same way on two objects. Then they know how to recognize multiple entities
Steven McCaffrey
Steven McCaffrey پیش 2 روز
So now torpedo time and crawl in the tube
Tom Salzano
Tom Salzano پیش 2 روز
Thank you, Destin -- i TRULY ENJOYED this !
Delta_Tesseract *84-72*
Delta_Tesseract *84-72* پیش 2 روز
A real eye opener for people interested in space travel. I'd imagine the operation of a nuclear submarine is very similar to a space capsule, or the International Space Station. I never knew how tightly packed every critical system is. Thanks Destin. Fyi, I'm starting to second guess my dream of migrating to the Moon and Mars in 30 years time. But then again, I guess a person can adapt to just about any situation in the name of survival.
Chris G
Chris G پیش 2 روز
The laughable mother-in-law oceanographically command because parsnip clinically chop against a rhetorical toilet. rich, polite unit
Strong_Thread پیش 2 روز
It's fun watching someone who knows what they're doing playing a game like Cold Waters. Cold war era sub warfare.
Chris Gonzalez
Chris Gonzalez پیش 2 روز
The low ladybug byerly pedal because representative inexplicably collect versus a silky scarecrow. languid, immense market
moustafa refaat
moustafa refaat پیش 2 روز
no body talk about sonar SIZE LIMIT !! i mean contact size limit.. like no body. does this classified ?? can sonar detect small things like 10 cm fish ?
Tomos Halsey
Tomos Halsey پیش 2 روز
I play too much Cold Waters, this is all very familiar. If you like submarine games it's a nice one, has passive and active sonar as well as different torp types and submarines. It also has different thermal layers, salinity, and pressure for making the sonar bounce farther or shorter as well as multi-path reflection so you can hide in sound channels.
doviejames پیش 2 روز
I love your content but bristle each time you say "smart" or "smarter". Intelligence (i.e. "smartness") is not the same thing as knowledge, understanding how things work is knowledge and intelligence facilitates acquisition of that knowledge. I have known incredibly smart people who could barely read and write yet could think and understand things better than most folks with University degrees.
UFCMania155 پیش 3 روز
Why didn't German U-Boats have sonar in ww2?
Arlene Martinez
Arlene Martinez پیش 3 روز
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Felipe Cruz
Felipe Cruz پیش 3 روز
20:27 I'm geophysicist and that is pretty much the same base knowledge the we use to map deep oil reservoirs. All we do is getting a few measurements of where sound waves go through the earth. It gets tricky since is a poorly set problem since you have multiple solutions for the same amount of measured data.
BladeTheWatcher پیش 3 روز
This is probably as much as WWII or early cold war submariners knew about sonar. Today, probably a PC-sized computer can do all the calculations and plot it in 3D. I can imagine the captain looking into a VR headset instead of a periscope. :)
iKoyyy پیش 3 روز
The submarine serie is great but this video in particular was by far the best. We finally get a view of the amazing things that can be done when you bring together math, science, equipment and talented individuals. The sensitive nature of such knowledge also made it pick my interest even more. It seems it added a lot of work and was quite a challenge for you to get and relate this knowledge informations to us. Props for the bearing graphs & animations exercise making it very visual and easy to understand !
rondovk پیش 3 روز
Unbelievably great video
Paul Loveless
Paul Loveless پیش 3 روز
Loved the metal gear solid effects ❤️
Joel Miller
Joel Miller پیش 3 روز
I watched this entire series tonight and was fascinated thoroughly. I am subbing. Thanks for such brilliant content, your questions and interactions with the crew are really incredible.
Dj johnson
Dj johnson پیش 3 روز
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Fabrizio Dutto
Fabrizio Dutto پیش 3 روز
If I get the first stronger ping return it can be the only "good one"? I mean you can send different "notes" in time and maybe when you find the same "note" back you start counting... Something like that, maybe.
tom joe
tom joe پیش 3 روز
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Lechuga Espartana
Lechuga Espartana پیش 3 روز
submariners under attack: Looks like were going to the shadow zone jimbo
Lipziger پیش 3 روز
This is absolutely one of the most interesting videos I've seen on youtube. Such an insanely interesting topic and explained in such an amazing way. Thank you!
Feral Feline
Feral Feline پیش 4 روز
Watching this series it should be used by boats for sub quals.
Umair Rana
Umair Rana پیش 4 روز
11:52 ... why dude why... fk... i was just getting a hold.. and you rotated the (whole graph) submarine..
lergic telerg
lergic telerg پیش 4 روز
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Matas0723 پیش 4 روز
I love the fact that the supervisor seemed to be completely drained just by listening and figuring out what can and cant be said
Jf Bee
Jf Bee پیش 4 روز
Does anyone know what program he used to generate the spectrogram?
Feral Feline
Feral Feline پیش 4 روز
Watch or read any good submarine story and they talk about thermal layers to hide from the skimmers. So did they tell you that there are only 2 types of ships? Submarines and targets. :)
Donovan Guilfoyle
Donovan Guilfoyle پیش 4 روز
I still want to know about sleeping and showering
Bret Morgan
Bret Morgan پیش 4 روز
20:00 love the MGS sound effect!
Daniel Walters
Daniel Walters پیش 4 روز
It's totally declassified, pulls out a copy of 688 Hunter Killer from 1997. P.S. these videos would have made that game so much easier to figure out.
Daniel Walters
Daniel Walters پیش 4 روز
That wonderful feeling of thinking you have a shot at your target free and clear, launching your first torpedo, only to hear a torpedo coming out of the shadow zone directly parallel to your hull. Just a game, but that moment of phuh is permanently embedded in my brain
Oakstrom پیش 4 روز
Are you going to talk to a Reactor Operator? I was hoping to see someone I recognized lol
TheEmeraldSword پیش 4 روز
I was gonna make a joke comment on how a lot of this is classified, *but I'm afraid that's classified.*
Rogelio Paran
Rogelio Paran پیش 4 روز
If you’re getting returns from the surface and the bottom why not just take the depth of the submarine, calculate the amount of time it takes for sound to go to the surface and bottom then cross reference those times with your return signals? It sounds more then likely you’ll be able to “hear” the target then once you do jot it onto a piece of paper how long it took then when you hear more returns from the surface and bottom colliding into the other vessel use them to try to isolate the location?
Douglas Blair
Douglas Blair پیش 4 روز
All brought to you by an Enlisted Navy Chief - who may have a degree - but doesn't need one to challenge you and keep America Secure.
Truckinhertz پیش 4 روز
I'm halfway through this video and feeling confident in my new ability to build a submarine! Edit: Four minutes later - I quit! 🤯 lol
Adric M
Adric M پیش 4 روز
one of the few times ive actually loved the sponsorship part almost as much as the video.
Jonathan پیش 4 روز
This guy Destin is smart, but lacks some emotional intelligence. 26:24 awkwardddd
January Success
January Success پیش 4 روز
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Brazilian Gentleman
Brazilian Gentleman پیش 5 روز
imagine fishing in a submarine
wrightmf پیش 5 روز
Answered my question why subs don't ping all the time like the Seaview on "Voyage to the Bottom of the Sea." Great soundtrack for a TV show but not practical to broadcast "here we are, here we are, here we are, ..."
Desert Racer
Desert Racer پیش 5 روز
I freakin love military science.
Sk0lzkiy پیش 5 روز
Me: That purple line is obvious lol Destin: lets step it up a little My brain: *panicking*
Jay Richardson
Jay Richardson پیش 5 روز
This has overall been a pretty informative video. Having been a previous diesel power submariner from a allied country and sonar operator I would say that overall all the info you presented is pretty accurate. There are lots of other factors that get taken into account not to mention the actual operator skill involved in processing and determining what a contact is but great info from the limited info the navy provided you.
Dizzyy Dreams23
Dizzyy Dreams23 پیش 5 روز
You have already done it my friend You are going to become worldwide
ezanchi پیش 5 روز
Wow this is soooo cool!
Egor Ivanov
Egor Ivanov پیش 5 روز
That's so funny seeing them classifying and redacting all that active sonar info that we are taught and work with in university.
Frank Jin
Frank Jin پیش 5 روز
Tax payer appreciation lessons
Kubi پیش 5 روز
It is kind of scary that our enemies know more about this than us American's who pay for it.
Abbie Marshall
Abbie Marshall پیش 5 روز
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adiero پیش 5 روز
Not to mention - Everything is moving, nor a word about doplering. :) Brave amzing people. Mightier than the waves in the sea! Thank you.
DarkRedman31 پیش 5 روز
Just searching with first results I found the same document in form of HTML/CSS webpage where the content is not redacted so I found the formula.
Andersson Motors
Andersson Motors پیش 5 روز
Learned the same thing from finding dory
Jon Rayner
Jon Rayner پیش 5 روز
The funny part is, is that after watching this I understand more of the passive sonar senses from “The Hunt for Red October”. Lol.
Adam Kessler
Adam Kessler پیش 5 روز
I love how vague they are. It’s kind of cool to think how much we don’t know
ezra پیش 5 روز
If I met that chief in civies and he told me he was in the military, I'd confidently guess he was a submariner. Submariners with a lot of sea miles just seem...worn. Lol
KEK پیش 5 روز
Thanks for coming down!