How did NASA Steer the Saturn V?- Smarter Every Day 223

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Behind the Scenes: https://youtu.be/6mMK6iSZsAs

View Linus's video: https://www.youtube.com/watch?v=olRF5Ckaga0

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GET SMARTER SECTION

Functional Requirements for the Launch Vechile Digital Computer
https://ia600300.us.archive.org/27/items/nasa_techdoc_19790073644/19790073644.pdf

Launch Vehicle Digital Computer
https://en.wikipedia.org/wiki/Saturn_Launch_Vehicle_Digital_Computer

Dr. von Braun (seated) examining a Saturn computer in the Astrionics Laboratory at the Marshall Space Flight Center
https://en.wikipedia.org/wiki/Saturn_Launch_Vehicle_Digital_Computer#/media/File:WernherVonBraunAstrionics.jpg

U.S. Space & Rocket Center
https://www.rocketcenter.com/

https://en.wikipedia.org/wiki/Huntsville,_Alabama

IBM's page on the Saturn Guidance Computer
https://www.ibm.com/ibm/history/exhibits/space/space_saturn.html

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5158 comments
SmarterEveryDay 11 month ago
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. On the second channel we talk about things like how they took into account gyroscopic precession with this bad boy. They also crashed this into the moon and used the signal as a way to figure out what the inside of the moon is like. It's a good video, you should consider watching it. ( https://youtu.be/6mMK6iSZsAs ) 4. This is not the Apollo computer. This is the Saturn V computer. They're different. This steered the rocket. 5. People that support Smarter Every Day on Patreon are really cool and I like them a lot. ( https://www.patreon.com/smartereveryday )
Cody Franklin 11 month ago
Letting Linus hold a priceless piece of history 😬 Bad Idea!!!
Koen 10 month ago
>NASA needs 14kb to control a spacecraft >Linus needs more than 1 petabyte to run some YouTube channels
Bruce Evans 6 month ago
My mother was one of those women who threaded magnetic cores into the memories. Her qualifications? Mom.
Ahmad Wehbe 9 month ago
"you had to shoot someone to get that" Oh, so how valuable is it? "ummm" *changes subject* He was protecting them from getting shot 😂
Swivel Shivel 10 month ago
“You must have shot somebody to get that” *guy laughs as he pushes his sidearm further into his pocket*
Why_are_there _no_names 11 month ago
He gave Linus a priceless antique of the space race to hold!? Does he know who Linus is????
Treyton Ternes 4 month ago
Nobody: Linus: Let’s water cool this!
JACKTUMBO universal 10 month ago
when linus speaks im allways affraid that he starts to say a commercial ... im litterally affraid of his voice.
CH0ZEN 9 month ago
14kb pc : manage to steer rocket successfuky My 1 terabyte pc: *gives me 10 fps*
Dustin Fette 9 month ago
You guys made that old guys day! He was so happy to talk about all of this with you guys.
Chris 11 month ago
I'm so glad Linus didn't drop that module...
king james488 7 month ago
when debugging a computer literally meant picking bugs out of a cabinet the size of a car...
Rick Carroll 10 month ago
My mom hand wired core memories for GE when i was about 10 years old in about mid 1960s, which became Honeywell
WO Gaming 9 month ago
"You must have shot somebody to get that." America intensifies!
Dennis W 10 month ago
"The world's nastiest Sudoku puzzle" is hilariously accurate for binary debugging
sKePt1c604 11 month ago
Linus next video: "Overclocking analog memory module from the 60's"
Jeremy Juckett 10 month ago
"You must have shot somebody to get that." Hahaha
EnterpriseKnight 9 month ago
4:15 That's the moment Linus realized he couldn't drop that.
Hero The Plott mix 10 month ago
Never seen Linus look so lost...lol. This makes my brain hurt.
acepilot1 9 month ago
“How much is this worth?” “Oh, I don’t know, you’ll have to take it to antique roadshow” rofl
Scott Manley 11 month ago
Fun fact about the core memory - it's non volatile, which means the RAM on that computer still contains state from when it was turned on 50 years ago, the AGC restoration team were able to recover data from active memory.
Michael Cruz 9 month ago
Luke: "you must have shot somebody to get that" thats how precious that thing is.
Bassem B. 7 month ago
5:55 I just love - love - when museums employ (or bring on as volunteers) people who were directly involved with a museum's subject matter. I recently visited the US again, this time LA and Sand Diego. I visited the La Brea Tar Pits Museum, and had the chance to speak with paleontologists and conservationists firsthand about their work. I visited the LA Science Centre, where the Endeavour space shuttle now resides, and spoke at length with an attendant about the shuttle's operation, spaceLAB, and the privatisation of space programs. Most memorably, I visited the USS Midway and had the privilege and the pleasure to listen to and speak with many, many retired pilots and operators about the various jet fighters on the carriers as well as the procedure of getting fighters up in the air and back down safely. It was incredible. having these people making themselves available, happy to come every day and speak about their experiences, was so enriching.
Blanik L-13 10 month ago
In the 1980s they told us that nobody would ever need more than 100kb of memory in a personal computer. LOL
Autismo Maximo 10 month ago
Linus : they could've put some RG... **gets slapped**
Athaariq Ardiansyah 9 month ago
Linus' mind: Drop it! Linus' heart: NOOO!!!
IdentiMind 10 month ago
Ask's Engineer, how do you feel looking at this? Engineer: I'm gonna talk to my buddy and get him to hit you over the head when you go out the building.
Emperor Charlemagne 7 month ago
"you'd have to go to antique roadshow" I laughed too hard at that. That guy is amazing.
Manson Mamaril 9 month ago
"That wasn't the problem after all... oh well here we go again..."
D0wnshift 11 month ago
Linus holding priceless electronic antique. Me: S W E A T I N G
FREE WILL DEFENDER 8 month ago
Pulls out the module "You must of shot someone to get that" Didnt expect that reaction lol
Ezcore G 4 month ago
"How much is this" "Idk you'd have to go to antique road show" I love southerners lol.
David Musoke 10 month ago
Amazing and humbling. The genius of those guys back in the day and they accomplished insane feats with such tech.
MrSaemichlaus 9 month ago
Redundancy: two is one, and one is none.
code_dredd 11 month ago
-"How valuable is that module?" **Linus grabs it** -"How valuable _was_ that module?"
Rubén Serrano 5 month ago
Bunch of copper cables with rings: "Nah, I just made it to the moon." My 8 cores cpu: "Chrome stopped working*"
Poly Hexamethyl 10 month ago
2:14 A "computer nerd" who has no idea what core memory is? What is it with these kids these days? :-)
Citizen of Earth 10 month ago
Can you do a video on the optics that astronauts had to use in order to see stars on the ride to and from the moon?
Sayed Awesh Rahman 9 month ago
Holy sh*t...I literally got goosebumps throughout the explanations given by Luke 🖥. Genius
RubelliteFae 11 month ago
So, you could say that core memory was... multi-threaded?
Growth Curve Marketing 5 month ago
Each piece (including mighty the F-1 engines), a bespoke piece of ART.
Alberto Polanco 6 month ago
"you would have to go to antique road show to find out" means I'm not giving you any clue to how valuable this piece of history is.
N1755L 10 month ago
@adfasd "Yeah that dude seems super chill" Yeah, until he clubs you over the head on your way out the building ;-P 10:30 LOL!
Thirsty boi 6 month ago
“You most have shot somebody to get that”
Juan Ortiz 11 month ago
The moment you start thinking "I can't believe I'm watching this level quality for free"
Redstone 1963 4 month ago
Amazing watching great vids from my birthplace and becoming "smarterEveryDay" :) Thank you and regards from Germany
Salcedo Nicoe 9 month ago
I was playing ksp when saw this in my recommendation
diyhouse 7 month ago
Humbling,... I've been to the Huntsville Space centre many years ago,.. its just awesome... I love this video,.. and Luke is amazing... this is how computing started...
Sion 8 month ago
4:38 *I LOVE the "Oh... No!" :'D*
Ryan’s Reef 11 month ago
Luke made me feel like I’m barely qualified to smash rocks together.
OK Arts 6 month ago
That NASA museum in Alabama looks suspiciously like Kennedy Space Centre in Florida...
Life Of Lucifer - Baphomet’s Basement 9 month ago
7:03 What you actually meant to say is, analyze what went wrong whenever Buzz Aldrin was aboard...
Charlie _X 6 month ago
2:10 *OMG ARC REACTOR!!!*
IFaKe YT 7 month ago
8:58 "Oh well here we go again"
Jan-Robert Nergård 11 month ago
How the heck did you trust Linus to hold that module? You know he is kinda famous for dropping things?
Agent ANAKIN 4 month ago
6:01 into this video starts a 3-minute lead up into the funniest programming joke ever told.
Grant Wilson 6 month ago
Thanks so much for creating and posting this. I knew that the Saturn V engines were independent and steered themselves, but that's where my "understanding" stopped. It's SO cool to see the nitty-gritty about how it was actually done.
Paul Mccardell 10 month ago
10:31 what a great sense of humor the old feller has!!!
Jay Manley 5 month ago
When they gave Linus the memory module I was expecting him to drop it ;)
Wolfcub Ware 11 month ago
YOU GAVE THE GUY WHO DROPS EVERYTHING, A PRICELESS PIECE OF HUMAN HISTORY
1Roso Name 10 month ago
THIS is AMAZING!!! Thank you for doing these interviews !!!
twinzturbo 6 month ago
im not nearly as smart as I thought I was
Matthew Eddy 10 month ago
"You have to go to antique road show..." LOL!!!!
Sam Cyanide 8 month ago
Luke is an amazing guy, what a legend. Truly knows his stuff!
Silvainxyts 11 month ago
I can't stop shaking when they've let Linus hold the module
Arkaprabha Chakraborty 10 month ago
3:32 I was so scared that linus was gonna drop that.
mick2d2 5 month ago
Is that where the term "core memory" comes from? They were literally cores! 8)
GEETHA LAKSHMANAN 10 month ago
This means that our systems are more than enough to handle a big rocket bro so we are rockin
Amr Koptan 7 month ago
That's a great video, I recall "Curious Marc" had his mates trying to get the Apollo computer to work, they had issues with the core memory but they worked through it, so far they've made 26, parts it's so interesting
Sketchasaur Rex 6 month ago
I was just there two weeks ago! Seeing the Saturn V in person was amazing
DoubleM-K Gaming 9 month ago
"Analog" computers are fantastic!
Bien Balajadia 10 month ago
Two weeks going through a small section of data and finally conclude that that was not the problem. LoL..
Tomek4070 5 month ago
4:06 "on this *plane* "
BlackBird 11 month ago
I'm just glad Linus didn't drop it! What a great video! Thanks to all involved.
kalexander777 7 month ago
Like that he still recalls how his logic was programmed into those magnetic chips. A good programmer never forgets what they build!
Malcolm Arcand 9 month ago
1:38 I'm surprised security guards didn't immediately tackle Linus
Aidan Lelliott 6 month ago
He would have never handed Linus that module if he knew Linus' treatment of technology. *_-drops-_*
Deady DeadSh0t 4 month ago
They literally hand threaded the code physically ...... imagine how long it would take to program anything from today.
zeruulln 11 month ago
Dude you clearly don't watch much LTT if you let Linus hold anything, he has a 99% drop rate of everything he touches.
frepi 4 month ago
Contempt is the last emotion one should feel when looking at these old computers. Doing so much with so little shows how amazing were the people that worked on these.
Mclane Smith 10 month ago
This is one of my favorite videos ever now. This deserves it's own full length documentary.
Calthecool 4 month ago
I went to space camp in Huntsville, and it’s amazing driving down the highway and seeing the Saturn V towering high into the sky.
Xehemoth 4 month ago
I love how you are fighting back against the Alabama stereotypes without actually trying too. We are not all inbred farmers :(
Kyle Donart 11 month ago
Letting Linus Sebastian McDroppyfingers hold that thing was a ballsy move.
Al Chavez 10 month ago
2:55 "Who has the steady...." I have soldered incredibly small surface mount components. They are so small that I need a microscope and when I am pushing them in place, I do not feel myself pushing anything yet I can still place it correctly. It is a very weird feeling to move something that you do not feel but it can be done. Im assuming that how this was done
Michael W. Dean 7 month ago
11:05 artisanal locally sourced core memory.
CW Barnett 4 month ago
This brings back memories. I worked with toroid core memory in the '70s while serving in the military.
steinerMtb 6 month ago
linus doesnt apreciate those masterpieces, he just laugh about it :(
D Garrod-Wilson 11 month ago
Linus: *Holds something valuable* Everyone watching: *sweats profusely*
Coil Smoke 5 month ago
"Isn't That SPECIAL !!!"
Jake B 7 month ago
I tried to watch one of linus’ videos but it just made me feel incredibly stupid. He might as well have been speaking a different language.
H2Dwoat 7 month ago
Hi, I remember when I was a child having a Casio calculator watch. I had a teacher tell me that it had many times the memory and I think computing power of the computer that took space ships to the moon. I can remember trying to imagine how that could be, now I understand 🤓.
Nie Neefa 5 month ago
OMG I'v been told about those rings back when I'm studying computer organization in college. Never expect to see the real thing though. That's really cool! Such amazing work!
5Y5T3RN 9 month ago
always finish your vids with a smile on my face. So awesome dude!
A M 10 month ago
The greatest achievement in mankind's history, literally immeasurable pride and care went into getting our boys to the moon. And people try to say we never made it to the moon.
Alex Diaz 6 month ago
Dude! This is the coolest thing I have ever seen! Thank you!
Dan's Lab 6 month ago
I have read about these memory modules, but until now, I had no sense of their size. Thanks, this was fascinating.
J C 11 month ago
As an engineer in modern times I often wonder what it was like to be an engineer before modern computers (with Excel, Matlab, Ansys, etc. etc.). Luke just gave me a glimpse and it makes me respect those who worked before us quite a bit more. By the way, his trick for screening data, looking for a known datapoint and comparing it to what it should be, we still do that today. Its just that I have about 700 colums of data on a spreadsheet/logger that represent a point in time. I get mad at when excel take longer than 10 seconds to plot it. Man, times change.
Naimul Sajid 10 month ago
9:01 Classic 'Here we go again' joke .