The Computer that Controlled the Saturn V (Behind the Scenes ft Linus Tech Tips) - Smarter Every Day 

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Main Video here: uzblock.info/post/video/yqpjgYdrhYF5e2k.html
⇊ Click below for more links! ⇊
View Linus's video here:
Functional Requirements for the Launch Vechile Digital Computer
Launch Vehicle Digital Computer
Dr. von Braun (seated) examining a Saturn computer in the Astrionics Laboratory at the Marshall Space Flight Center
U.S. Space & Rocket Center
IBM's page on the Saturn Guidance Computer
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7-Avg, 2019



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Smarter Every Day 2
I would like to point out several things: 1. Luke Talley is awesome. 2. Every single frame of this video requires more memory storage than this memory module is capable of handling. Think about that. 3. This is not the Apollo computer. This is the Saturn V computer. They're different. This steered the rocket. 4. People that support Smarter Every Day on Patreon are make all this happen. If you're watching this second channel video I realize that you're more likely to consider becoming a patron... therefore I will now provide a link in hopes that you consider it. ( www.patreon.com/smartereveryday )
astro_viking2 3 kun oldin
@Robert Young Sr. That's cool
Robert Young Sr.
Robert Young Sr. 4 kun oldin
Interesting...I was a computer technician onboard US Navy ballistic missile submarines. The CP-890 computer (sperry univac)( circa 1965) that navigated the missles was exactly the same technology, that was used to navigate the Saturn 5. I didn't know that until now. I spent many a lonely night repairing these computers. Oh, the memories...
kilodk77 4 kun oldin
Love your work, Destin. Thank you. Urge my kids to watch you also. Gonna go Patreon on you today ;) I must say though, that this video made me FEEL dumber because Luke Talley is such an impressive individual and the Saturn systems engineering is so extremely impressive. Mind you this was contrsucted 8-12 years PRIOR to my own birth and only at my 11th birthday did i realize what a computer was as they became mainstream affordable. I watch Linus as well, but I must admit - he is WAY out of his league here. Some of his questions are really .... dumb. But to be fair he did disclaim them himself beforehand, several times :D Thanks again.
memairport1 9 kun oldin
Loved this historical review of the Saturn V launch/guidance systems. Amazing gentleman. Watches this video twice now.
astro_viking2 10 kun oldin
Luke Talley schooled Linus asf lol it was even fun to watch it hahaha
Tim Crow
Tim Crow 20 daqiqa oldin
I wasn't planning to watch the whole video, but then Luke Tally started talking. :)
Ken Whitfield
Ken Whitfield Soat oldin
You should mention the fact that the hard wired computer memory, which was also state of the art back then, was also required to be fault tolerant in a high radiation environment.
Erms Ox
Erms Ox 3 soat oldin
A real Wizard
Mark Wandrey
Mark Wandrey 3 soat oldin
1.7 million geeks loved this, and I'm one of them.
Marcel s
Marcel s 4 soat oldin
And know look at your phone how small the electronics are!!!!!
KrasherJack 6 soat oldin
Gotta Luv The I.M.U. drift, as A Pilot and a Navigator you need to pay attention to the little things.. Thank God for Doppler radar and the Sextant. 1960s backup.
M B 7 soat oldin
great video!
Steven Utter
Steven Utter 7 soat oldin
You guys are so lucky you left when you did, his 'buddy' just missed you. Otherwise you would have woken up in visitor center with no memory and no memory module .
Mark Jeffrey Miller
Mark Jeffrey Miller 9 soat oldin
I am back to loving science the way I did in HS!
Pete Lorenzo
Pete Lorenzo 9 soat oldin
:-o !!!!! I've watched this video a few times over the years. was just watching it again and I learned something that made my mouth hang open. the core of the moon is liquid. I didn't know that.
SPMR 23 11 soat oldin
I wish I didn't wait till i was 32 years old to use my brain! But I'm grateful I can find smart people to learn me on some truly historical challenges humans faced in the past. Thank You.,
No More BS Please
No More BS Please 11 soat oldin
I wonder if Armoured Skeptic ever corrected his video? He swore that NASA never said their was an Moonquake that lasted over 45 minutes. His cry baby fangirls would not even except the NASA and Harvard studies.
Robin Rai
Robin Rai 12 soat oldin
I love Linus, he's a UZblockr that actually know his field
Sumori 13 soat oldin
When you literally had to program by hand.
richard g.
richard g. 13 soat oldin
me is i
me is i 13 soat oldin
But can it run crisis
Ryan Hannigan
Ryan Hannigan 15 soat oldin
The animated key lamentably blot because jam architecturally reproduce aside a concerned place. brave, wide-eyed substance
Gray Joe
Gray Joe 16 soat oldin
The ready dirt functionally jam because oatmeal classically dress athwart a aboard dream. relieved, nutritious flag
Eviana Vazquez
Eviana Vazquez 17 soat oldin
The plausible onion moberly grin because pumpkin substantively whisper under a odd chief. same, resolute day
Eviana Vazquez
Eviana Vazquez 18 soat oldin
The handsome lyocell orally reduce because australian frequently destroy notwithstanding a ultra spoon. tenuous, third cultivator
Imtheone VanHalen
Imtheone VanHalen 22 soat oldin
NOOOOOOO, it did NOT steer the S1C....it had a baseline the gyros and gimballing system used as a reference point.....the S1C never deviated from vertical until well after the launch sequence. Those modules were so crude (and new...) ALL backup systems were analog, and all were triple redundancy.. Search Buzz Aldrin's take on riding the Saturn V....a very scary experience, all analog with feedback from the gyros...a 7 million pound rocket 300 feet long mere feet from the launch tower...."like an old train on a really bad track...."....the gimballing corrections from the 5 F-1's was seat of the pants terrifying
Don Zephyr Olive, Jr
Don Zephyr Olive, Jr 23 soat oldin
Why do you promote the celebration of wanton ignorance by promoting this character's flippant disdain for calculus. It's not really cool or funny. It just shows you and he are not up to anything beyond publicity. Go back to school.
Joe Paradis
Joe Paradis Kun oldin
Absolutely enjoyed this video and listening to luke explain everything he helped make andake happen right to get us to the moon and having Linus tech tips there made it that much better. The incredible amount of detail in regards to luke's memory and explaining everything was simply in human so to say haha like I wish I could remember things from a year ago with that clear detail. Love the new channel keep up the amazing content.
Chrisst Kun oldin
They all say how they couldn't have gone to to the moon because of radiation belts etc. They never say it couldn't have happened because the computers were
fess1of9 Kun oldin
skillswithit Kun oldin
Dude...the metal gear solid "alert" sound. I will forever love that lmao
MrNateSPF Kun oldin
Nufosmatic Kun oldin
When I started as a manufacturing test engineer with a computer manufacturer in 1981 in Fort Lauderdale they had dozens of core memory assembly and repair stations - high-powered stereo microscopes and basically threads and needles and bottles of dust aka memory cores. The company had moved on the 7400-logic-based super-mini-computers but was still repairing the PDP-8 core memory aftermarket products that put them on the map. The core memory was actually manufactured in the Dominican Republic by inexpensive foreign labor. Testing and repair was done onshore by US persons.
davide khalil
davide khalil Kun oldin
I worked on PDP 8's, PDP 11's and memory core was not a mystery like "woohoo we're in a museum" PDP 11/44's programmed the first generation of trident ballistic missiles, trajectory doesn't have that many variables.
Richie Rich
Richie Rich Kun oldin
connor frement
connor frement Kun oldin
Armstrong, he managed to make the video of going to the moon about as boring and uninteresting as it could possibly be :)
connor frement
connor frement Kun oldin
cool, i asked for an interview here, but i was not rewarded the privilege
garth bowen
garth bowen Kun oldin
Hi Destin. Pretty sure I have congratulated you a couple of times on your other channel but I must say that I REEEEEEEEAALLY enjoyed this vid on your new channel. I am a semi-retired electrician here in Canada and at some point in the late '80s I had the opportunity to do some wiring mod's to early industrial PLC system that used magnetic core memory modules, of a type very similar to those that Mr. Talley so patiently described. I was just becoming interested in computers at the time but after working on that PLC I became much more interested. I admit though that I never really got a firm grasp on those analogue and analogue/digital units. You and Mr. Talley's presentation was very well done and helped me to broaden my understanding of how those early systems worked. Thank you again for an excellent Video. Garth.
Miguel Hernandez
Miguel Hernandez 2 kun oldin
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etheory01 2 kun oldin
This was one of the most interesting amazing videos I've ever seen about computing/space history. THANK YOU!
Robert Petrey
Robert Petrey 2 kun oldin
That's sick of RAM that would cost $50 on Newegg!!!
Black Terminal
Black Terminal 2 kun oldin
Is something like this on the Voyager Probe?
Black Terminal
Black Terminal 2 kun oldin
Who knew the Saturn IV had a Stargate ring.
C0Zmosis 2 kun oldin
Linus has all that money but cant get a good haircut lmao
Richie Rich
Richie Rich 2 kun oldin
Waw, waw, waw, waw, 🙂🙃😀 fantastic 👏. I am amazed!!!!!!👍👍🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇵🇷🇵🇷🇵🇷🇵🇷🇵🇷👍 I'm speechless. Elon Musk most contract that man and pay him what he wants. 👍👍👍
Callum Forber
Callum Forber 2 kun oldin
Who's idea was it for Linus to hold the memory module?! 😂 Did you see him hold it with a finger and thumb!? 😅
fedor p
fedor p 2 kun oldin
I love how Linus pretends to follow what the engineer is saying but in reality is completely clueless. You'd think he'd dig into some basic computer architecture training so he doesn't look like a fool, but that wouldn't be Linus.
CursedFox 2 kun oldin
"ive worked on systems and I dont remember it to the level of detail" were you building a computer for space for lik 5 to 10 years? little more memory intensive and memorable
humandxp 2 kun oldin
ok when is moment when linus drops on ground and smashes into pieces only existing and working Saturn V memory block
mugogrog 2 kun oldin
My favorite moment was: "That's known as wires..." Oh Linus this reminds me what a young un you are :D
fhjh jhgjghj
fhjh jhgjghj 2 kun oldin
The curved milk ultrasonographically weigh because catamaran lately march outside a eminent cougar. proud, bustling limit
Mur Mur
Mur Mur 2 kun oldin
38:16 Your unnecessary prank is annoying when I try to focus on it. I also have an automatic translation of his speech to read at the same time!
5Andysalive 2 kun oldin
0:22 is he explaining a keyboard?
MrTnbopp123 3 kun oldin
you know nothing in your area
David Tarnowski
David Tarnowski 3 kun oldin
28 bits! 32 was too costly ($, reliability, weight, real estate,...) and not needed. The software was dictating the minimum computing requirements.
Robert Justin
Robert Justin 3 kun oldin
Whoever believes this I have a tower for sale in Paris that's perfect for you!!
Lars Breuning
Lars Breuning 3 kun oldin
My Casio G-Shock is most likely more powerful than all the computers on the Saturn V. :)
Guaran D
Guaran D 3 kun oldin
So cool listening to Luke talk about all of that stuff! Love it.
Mora Mulford
Mora Mulford 3 kun oldin
The gigantic manx wessely attack because poultry immunocytochemically crack for a powerful reading. awake, decisive grandson
Paweł Rogowski
Paweł Rogowski 3 kun oldin
what i learned here is that Linus really got it
Tijn Hex Snijders
Tijn Hex Snijders 3 kun oldin
Just because this is your channel, I'm subscribing!
B G 3 kun oldin
Be awesome to get the same thing you did with Tony, except with Elon Musk 👍
callum mackenzie
callum mackenzie 3 kun oldin
"We guided the Apollo 11 rocket" Later "Thats you next to the Saturn V for the Apollo 11, When was that" F M L!!!! DO THEY NOT TEACH YOU THIS IN SCHOOL ANYMORE?
Jez 3 kun oldin
Linus blatantly didn't have a clue what he was looking at....
Shackleman Warts
Shackleman Warts 3 kun oldin
That man is rematkable. If I am that passionate and hard working like him, my AI model could have design it own ship. Hat down to scientists like this.
Terry An
Terry An 3 kun oldin
Old Samsung.... joke.. Amazing history makers...
Andrew Deihl
Andrew Deihl 3 kun oldin
This is called talent acquisition, this man eats sleeps and breathes this knowledge every day, he found the job that completed him as a human being. I will find this soon, the job that completes me as a human being. The job that I wake up and look forward to doing, and have to force myself to come home. Affirmations are what create reality. An excellent video by the way, love the content of this second channel
Mike Wade
Mike Wade 3 kun oldin
Awesome video.
ICEIOKYI 3 kun oldin
thiis is awesome
Sabra Caterina
Sabra Caterina 3 kun oldin
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kenny ng
kenny ng 3 kun oldin
The undesirable language universally inject because swim pharmacodynamically reduce toward a optimal icebreaker. craven, glistening glorious forgery
Kelly Kapoor
Kelly Kapoor 3 kun oldin
The secretive approval naturalistically float because page parenthetically attack opposite a unadvised creditor. assorted, dashing pull
tomasarson 3 kun oldin
All I can say is good times.
Dirk S
Dirk S 3 kun oldin
Instant fan of Luke. I was just two-months old when Apollo 11 launched, and I've had a life-long admiration of the men and women of his generation ever since; their dedication and hard work. Great video. Thank you for sharing it.
James 3 kun oldin
Real life mr mkay over here
Christopher Crapo
Christopher Crapo 4 kun oldin
The malicious spoon namely cry because indonesia typically scratch including a lean pumpkin. statuesque, toothsome october
Peter Evans
Peter Evans 4 kun oldin
LOL, at 7: 42 SED says "Liquify" ... a term so off-point that the actual geniuses mind comes to a complete stop as he has to: 1) Determine how that could be applicable, 2) Realize it is inapplicable 3) Realize that the person speaking has very little command of scientific terms whatsoever, 4) Determine that correction of the terminology is futile and pointless, and 5) Decide better to just move on. Ancient as he is, he did all this in less than one half second, lol.
Anthony Rogers
Anthony Rogers 4 kun oldin
41:55 did he say 2.5 moon quake ?!??!?
Peter Evans
Peter Evans 4 kun oldin
LOL, SED says "Liquify" a term so off-point that the actual geniuses mind comes to a complete stop as he has to: 1) Determine how that could be applicable, 2) Realize it is inapplicable 3) Realize that the person speaking has very little command of scientific terms whatsoever, 4) Determine that correction of the terminology is futile and pointless, and 5) Decide better to just move all. Ancient as he is, he did all this in less than one half second, lol.
John McGuinness
John McGuinness 4 kun oldin
Thermodynamics, the bane of every first-year Engineering student. At least he got to use the things he learned..... +C......(giggle)
Bill Steiert
Bill Steiert 4 kun oldin
If I am not mistaken, the Navy Admiral he was referring to was Hyman Rickover, the father of the nuclear Navy. This man was an exceptional engineer and it doesn’t surprise me that he had the steam tables memorized. Luke Tally has not only an exceptional memory but he is educated in much more than just computer science. I heard him intelligently discuss deep thermodynamic processes as well as metallurgy. He is truly multi talented and it seems he has a sense of humor as well. Thank you for this video, it was much more than I was expecting.
TITAN STUDIOS 4 kun oldin
Linus is like a kid lost in Walmart
Matthew J
Matthew J 4 kun oldin
Worked on an IFF system in ATC that used core memory such as seen. Worked 24/7 and never had a problem with it, System was the TPX-42. This was back in the late '70s, 80's . I am so happy it was so reliable now that I see it up close.
Mike Zampello
Mike Zampello 4 kun oldin
I was a kid when all this happened. I remember the interviews and some of this is floating back up through my mind. Now that I've had a career in electronics and engineering, it is so much more fascinating.
Nikita Dubrovskih
Nikita Dubrovskih 4 kun oldin
Space nerd and computer nerd meet the best nerd
Swamper 4 kun oldin
Ok Guy with the ear rings, what ever you do don't touch this......He then touches it.?
Jimmy Based
Jimmy Based 4 kun oldin
Mr Talley is absolutely brilliant. I wish I had this kind of passion about my career lol
xxwookey 4 kun oldin
OK. That was a tour de force. Always good to see a set of smart people talking from different perspectives. Luke's knowledge and recall of such a wide range of subsystem details is very impressive, (although that's what happens when you properly get into one project for years (and end up curating it some decades later)). Thank you for a fine nerd-fest Destin. I've been in that museum but I didn't have a Luke to ask questions of (or even time to read _all_ the panels. I hate not reading all the panels).
Nemer Saad
Nemer Saad 4 kun oldin
I’m not a English native speaker but man that video I’ve watch it all and understand most of it.
Weekend Guitar Covers
Ponder this, I had a 1972 Triumph T110R Daytona and in order to start the bike you had "Ticklers" actually small plungers that you pushed repetitively to flood the carb with fuel. This was the simple technology and all they could come up with to start that bike in 1972. We went to the moon in 1969 with that same simple technology for the most part. Unbelievable!!!!! BTW Yes Luke Talley rocks!!!! I simply could not stop watching and listening to him!!!!!
Amber cole
Amber cole 4 kun oldin
The grotesque giant generically complete because east pharmacologically risk down a internal dish. afraid, ambiguous hammer
David Schmidt
David Schmidt 4 kun oldin
I think the word "awesome" could also be used to describe the sheer guts it took for men to get into a pressurized tin can, with a few million pounds of slow-burning explosive below them, and ride it to the moon, piloted by a literally handmade computer with HANDSTITCHED memory/logic boards. Frankly, I am always surprised their testicles could fit into the module.
Eda Kimling
Eda Kimling 4 kun oldin
This video was absolutely fascinating. Luke Talley is incredible...patient, funny...I could listen to him for hours on end. I have learned more about the tech in the rockets in this video than in my lifetime of PBS viewing...in TV documentaries, they never went into this stuff...I had no idea of the details behind this...the way these computers were designed, the gyro drift...the cooling...the manual, hallway floor, template in hand octal 'debugging', etc, etc...this is mind blowing stuff...looking at it from today's perspective, I'd be so afraid to actually send people to the moon on a rocket guided by such technology....but...the reliability Luke spoke of is incredible. I watched some of your other videos and I know of Linus and watch his videos...so to see this partnership was pretty sweet guys! Thanks so much! Cheers from Canada
Long Wilderness Walks
This was so incredible to watch. My father-in-law worked on the stealth bomber back in the 80s and to this day brags about his NASA buddies. What a testament to the people of our country. Thank you again for sharing this invaluable mans knowledge.
Matthew Dunstone
Matthew Dunstone 5 kun oldin
Bravo. Thank you so much for this video. Subscribed!
Hans Wildschut
Hans Wildschut 5 kun oldin
This video is just amazing. I enjoyed every second of it. Man ... that Luke Talley is a smart guy and a good story-teller. This documentary is truly a piece of human history. Thank you for sharing..
LTC KLH 5 kun oldin
No wonder the world has our rocket technology. Just buy it as junk and backwards engineer it? IDK?
Stian Haughom
Stian Haughom 5 kun oldin
This is one of the most interesting videos I've ever seen. Luke Talley is a masterpiece of a human being! Thank you so much! Greetings from Oslo, Norway!
CosmicDamian 5 kun oldin
This was inspiring. What a cogent and far ranging tour de force from Luke Talley. Linus didn't do too badly either - his grasp on heat dissipation is really impressive.
Ebenezer Sam
Ebenezer Sam 6 kun oldin
The two wash neurologically possess because rocket bacteriologically bolt abaft a brainy pump. standing, lacking swedish
o 6 kun oldin
38:53 People are sooo dumb they dare to go to the Moon when their computer industry isn't fully matured yet. Fantastic!
Mike Sawyer
Mike Sawyer 6 kun oldin
Oh Cool! 2 of my Fav tubers... in one show. Hope you had as much fun visiting the museum as I did.
tomkat1983 6 kun oldin
Luke Talley clearly enjoyed the interview because he knew that the interviewers understood exactly what he was talking about and are within his league of knowledge . I could sense the chemistry between them.
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