How Does NASA Practice Landing on the Moon? - Smarter Every Day 252
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Human Landing System Program:
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Mighty Eagle
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@@ikshwakgannoju2519 that don't matter
Sir, may I ask you a question? Lately you've been making videos about lunar landers and submarines, what are your thoughts on those topics and were the videos fun to make?
you're welcome
"so it's like chlchlchclhckchl" "No it's more like psssh psssh psssh psssh" Engineers communicating....
Very accurate and relatable 🌈
Wait till you try to say thrust bearing, it's probably not child friendly.
The thruster test sequence was more chlchlchclhckchl, though.
The frontman teaching the drummer his part
@@TrainEnthusiast69 Sounds like “One” by Metallica. The part in the song where it goes “darkness imprisoning me, all that I see, absolute horror”
We often hear about the everyday technologies that were born out of the space program, but we rarely hear about the ways animatronic dinosaurs have shaped the space program.
Cracked me up!
they re dinosaurs ! We can't give em credit! lol
Reminds me of the spacecraft that evacuated dinosaurs in a Dr. Who episode.
Is rocket fuel made from fossil fuel? In a way Littlefoot got us to the moon. Went and accidentally made myself sad with that comment
@@jonbar140 Some is, some isn't. RP-1 is a special quality Jetfuel. Pure H2, pure methane and pure ethanol can be made either way.
Only Destin can get equally excited about lunar landers and weed eaters...and then make all of us feel the same way.
As well as iron eating magnetic worms 😅
*W E E D E A T E R*
He's right tho. Farming equipment is amazing.
I think that's really cool actually, how some mundane things in the real world work are actually truly fascinating.
L A M I N A R F L O W
The thrusters test firing before the flight is so satisfying, the sound itself is just awesome. 16:46 as an example.
It sounds like some wacky steampunk contraption
It's called music.
Sounds like the start to a popular heavy metal song 😂
Sweet opening loop for a Kanye track..
Music ! Lol I thought it was Destin just playing around with an effect ! Wow 🤩
Imagine the dedication it takes to have footage from 8 years ago and holding it just for the perfect video to put it in.
What's amazing is that the video looks like it was recorded yesterday (the quality is quite good)
Exactly why I am and will be a long term subscriber
There are videos about him getting a 45drives server for storing all the video. It’s not all that surprising.
I think NASA didn't let him publish the video before. So imagine calling NASA for 8 years to ask whether it's ok to publish this yet.
Or he founded the footage again and decided to make a video about it
I'm so glad you finally got to share this footage! What else have you been hiding from us?
Dude where’d your vids go?
@RedKB How is your cubing life going?
Dude sitting on a pile of good footage
Imagine replying to a KZheadr and being mad that they don't upload anymore. They don't owe you videos guys, stop complaining lol
@@node_deer imagine being this overdramatic to a simple question from a fan of said youtuber
Destin is like the weird kid who is walking around recording everything on his camera on a school trip
Totally
Yep
The best science youtubers are eager children in adult bodies.
That's a great description, don't frogot he just straight points a camera in the baseball sign stealing one he did with mark rober, I hope someday I'm doing something interesting enough to have him want to point a camera at it.
One of the things I love about Destin is he takes care of his content. He held that footage for 8 years, waiting for the right video. Love your work, keep it up sir!
Makes you wonder what he’s got squirreled away on his drives. I’ll bet theres an alien spacecraft walkaround video pending OPSEC clearance. 😂
Very cool but so many questions! The biggest question on my mind is why numeric / software simulation is not adequate for developing and testing the control system? Relatedly, what is the rationale for using moon gravity for tests like obstacle avoidance / site selection? It seems like those systems would be totally orthogonal to the gravity situation (i.e. what the camera sees / choosing a site doesn't change with gravity). I know there must be some intricacy that I'm missing and inquiring minds want to know! My other question is why does the X axis point up. There must be a story there since that is obviously unnatural and an abomination :)
hahah here before people notice u
My guess would be they were doing multiple tests while doing the obstacle avoidance, so collecting data for the 1/6 g in addition
I was also wondering.. like why can't we just simulate everything. We have enough computing resources to do that.. Also the lander can easily do edge computing to figure out what to do based on cameras.. Definitely missing something
Simulation gives you confidence and is what allows you to proceed to these real-life conditions tests. And also consider that simulators could have bugs, outside does not have bugs (well, other kinds of bugs).
Nothing beats real test hardware and flight data! There's often some nuance or interconnection that you learn about. The intent of the program was to simulate everything as close as possible to flight so while you're right that testing things like hazard avoidance doesn't inherently require moon gravity, it was nice to get even closer to what the actual landing would look like. From what I remember of the axes decision, you roll about your X axis so it made sense. Landers are not airplanes!
Control: "Let's test the system." Lander: "Silence. It's time to show you the song of my people."
The thruster produces some banger beats
I was nodding my head along hahaha
"Do be do be do Do be do be do Do be do be do"
@@TeoTH80 I knew I wasn’t the only one who thought that was fire
And that song is from Metallica
Destin: Shows an external hard drive saying "our footage from 2013 is in this". Linus (from LTT): Dies a little inside.
16:46 Darkness imprisoning me. All that I see, absolute horror I cannot live, I cannot die Trapped in myself, body my holding cell!!
i laughed way more than i shouldve at this
Was looking for this
Is this from a song?
@@kayson971 it's Metallica
Can't tell if this is true or a dream
16:46 cool beat
This comment will have 1k likes
again at 18:50
Those we're my favorite part of the whole vídeo!
Yea lol
im hearing a sick metal riff
Ground Control: "Pressures and taps look good" Lander: *Proceeds to B E A T B O X*
On the second test, I heard them call it the "burp sequence", which I find funny. 18:50
someone has to make a beat or a song out of it, i was vibing to this sequence
@@theaypisamfpv Babymetal Death has an intro that sounds EXACTLY like it
@@AR-fi9du thx for the rabbit hole (edit: Can confirm it does sound like this. Kami band did it better )
@@stevenclloyd Get those thrusters a record contract
18:49 That thing is so cool it has its own soundtrack before taking off. Sounds so action pumped.
Seriously, this is one of my favourite KZhead channels. Really glad Gav put me onto this
When the small thrusters did their little firing tests before the craft was hovering it sounded like it's about to start a concert for us.
sounded like "one" from metallica
On the second test, I heard them call it the "burp sequence", which I find funny. 18:50
It's vibin tho
I started tapping my foot waiting for the drop
They should dye the steam from the top thrusters to add additional drama.
“This will blow you up, right?” “It will melt your face.” SCIENCE!
Very funny how he said "melt your face" without stopping being serious.
@@0xf7c8 because it will literally melt the face.
Yup. Did you see breaking bad? The tub part? Same stuff.
That's what makes it cool.
And earlier (around 3:05) they said that it's a green fuel and good for the environment. 🤔
Gave Kiwico subscription to a friend with 4 sons and they love it. Each of the bus gets to work with Dad on a box. I got such a nice thank you note from them and likely will renew this next year.
I'm not a rocket scientist but I can understand this format as it's broken down to easy to understand language I'm grateful for all the time and effort you put into this series and can't wait to see the next installment
Rocket science is easy, the engineers hype it up for clout 😉
@@chrissi.enbyYT yep!
@@chrissi.enbyYT not sure if it'll make it to orbit? Moar boosters
Linus just died a little when he saw that portable hard drive.
Was looking for that comment
More like PTSD flashbacks to sorting out that exact hard drive while he was there
To be fair, it became obvious very quickly that the storage server did not have nearly enough capacity for all the footage Destin has.
@@AlexRobertskd8edr destin could probably fill an entire backblaze datacenter with all the footage hes sitting on 😂
Nah... everything was on the server, that was just reminder of old aka a prop for the video. I mean who doesn't have a a box full of CDs and/or floppy disks that you never plan on ever using again, but still keep them anyways.
This is so unbelievably well explained. It all made perfect sense, even to an economics student like myself who really doesn't have a strong foot in mechanical engineering.
Thank you for all of your work Destin
The pre flight thruster sequence was so cool
Yeah. The first time I thought it was music that Destin had edited in. It got me pumped.
@@tophan5146 16:45
@@pdxnate3314 You got to know that the more musically inclined scientists would love to run their favorite song thru the thrusters.
amogus
The beat was so pog You could definitely make a song out of that
amazing footage, thank you for sharing
Welcome
Wow this guy has the coolest job. Submarines, nasa probes, he gets to see it all!
I just have to say that your videos have really risen to another level with these sea and space videos!
Gave Kiwico subscription to a friend with 4 sons and they love it. Each of the boys gets to work with Dad on a box. I got such a nice thank you note from them and likely will renew this next year.
Destin: “You are smart, you know what’s about to happen” Me, who has no idea what’s about to happen: “oh yeah man for sure”
I'm thinking string-trimmer jousting in slo-mo.
@@robertlapointe4093 I'm wondering if a watermelon will be involved.
He’s had a small series going on about different weedeater line types. Looks like he’s about to put them up against each other to see which is the strongest.
Still have no idea, must not be THAT smart...smh.
@@Skraeling1000 Definitely!
The Mighty Eagle has a good beat to it...
lol it was named after Angry Birds...
It did sound amazing. Petition for someone to remix that beat.
@@Weretyu7777 youtube is not letting me post the link, it's in my profile, hope you guys enjoy it :DD
@@im.maxmou Very much so! Big thumbs up for that! :-D
@@im.maxmou I was hoping I would find a remix of the system pre-tests, thank you.
I've been following this channel since it had sub 1mil subs. its crazy to see it explode. im happy to see this type of content taking off and exposing people to the amazingness that is STEM. Keep it coming Destin!!!!
Everyone: "Mars" Destin: "But what about the moon?" Everyone: "Go on.."
The moon must be jealous; it was getting used to all the attention it got in the spotlight before Mars stole its thunder.
Next Week: Destin shows Super-8 footage of his dad interviewing Neil Armstrong in the white room.
What if Buzz Aldrin showed up in one of these videos? That would be cool.
And if the Cleveland Indians do decide to change their team name, I would recommend the Ohio Armstrongs.
Like how he says that wasn’t “incredibly impressive” and his buddy just smiles because they both know what Insane amount of work it took to go or for 7 seconds haha!
I do research in computer graphics and I can tell you that's very common. A lot of what we do gets a "Is that all?" or "Seems easy though" from laymen. I actually try to help my colleagues on that because they'll go on and on about how great what they did looks and they sounds like they are ranting about something super easy
@@namenloss730 'Making the pixels dance' is harder than it looks.
@@namenloss730 the problem is, a lot of people don't understand how much harder it is to make something self sufficient without our constant input. It's very different from making something people can control. This lander, for instance, like they said only did the little test to make sure it was actually functional. The action itself was underwhelming, but the fact that machine was capable of doing that test with only a "start" input is spectacular
@@Cheesus-Sliced a friend of mine works on rendering glints and glitter efficiently and realistically. Unless you have been explained in detail how complicated it is, it looks like nothing. I'm sad for him sometimes because he is super passionate and smart but he works on something inherently underwhelming to most
@@namenloss730 is that for animation or VFX?
how could the camera's see where to land when the thrusters created cloud beneath it? Also, does the EGCT gimbal to always point down during tilted maneuvers?
Exactly the questions I had!
Radar can see through the dust
@@juzoli lidar too. I skipped all the technical bits so idk the tech on board
@@skrimper Lidar is laser, which can be blocked by dust. But lidar = radar, only with different frequency.
@@juzoli Actually, whether laser can be blocked by clouds depends on the wavelength of the laser, the type of clouds (dust vs droplets) and the size of the particles. For example, if we're talking about fog clouds, infrared laser could still work; and Lidar is in fact typically outside the visible spectrum (for that very reason, among others).
i love everything about you . the questions you ask , the drive you have to bring knowledge to the world and all of the great impacts you bring to earth and living beings. Its such an inspiration if I became half the man you are i would be happy and so would my family . Much Love & Thank you !
Destin in 2050: here is my 2020 collection of covid and Area 51 footage.
Never gonna give you up
Never gonna let u down
Why did they not release this footage sooner? Also... We're no strangers to love, you know the rules and so do I.
Never gonna say goodbye
@@mikethechemis never gonna tell a lie or hurt you
I imagine that the future astronauts will say on an interview "Shoutout to Destin of SmarterEveryDay for inspiring me when I was a kid"
Repping Haruhi in 2021, nice Nagato is still best girl, though.
There are definitely interns currently at nasa who watched Destin in high school, just simple probability related to Destin’s popularity.
You’re right to the point: we will always give routine tasks to robots and software but human control will remain part of our life and exploration when it comes to anything out of the ordinary, whether it’s 50 years from now or 5000.
Thanks, Destin, for all the great videos you provide. I'm intrigued every time I tune in! Keep up the fantastic work!
I can't believe that lander hypes the lift with that cool beat from its thrusters(?)
Line priming and testing. Pretty sure if it didn't do that, no dance.
@@eideticex Yeah, I think so too. Gotta clear/prime the nozzles. In the second test, I heard them call it the "burp sequence", which I find funny. 18:50
I replayed it multiple times, so satisfying.
That sick beat from the startup sequence at 16:45 needs to be a song.
Have you heard One by Metallica my friend? There is a part in the song using almost the exact same beat
How bout 2
@@justinfernandez1156 A bit faster though but good analogy :D
Yes!! I _just_ commented about that.
Sounds to me like start beat of Sunday bloody Sunday
i have watched this AGAIN, it is brilliant. Thank you Destin.
I got my 1st KiwiCo box today on your promo. Thanks.
Can we talk about how that lander could easily land a side gig as a club DJ with those start up beats?
Chapter 1: How to talk like destin Yea yea Ahaa ahaa Gotcha gotcha 😂😂😅
"I'm really excited about it" "Amazing" "So it's like this term we both know?"
"wow"
Lol facts
... and way way too much 'awesome', but hey, a yank what can one say. : )))))
roger roger
Clever as ever Destin, and I agree with you that there’s no substitute for hands on training when it comes to things like these as you never know when hardware can fail or make a mistake. It’s essential that our astronauts going to the moon be prepared for every and any situation that they may encounter, there’s just no excuse for doing it any other way.
Thanks for the digging this footage out of the archives! Someday I hope you'll consider doing a video about the S-IC test stand that provides such a stunning backdrop for the test footage. I would love to see that!
16:45 When you wanted to be a music producer but your parents forced you to become an aerospace engineer.
When they tethered the Mighty Eagle to the ground cables, they used Screamers which are used for search/rescue and rock climbing. A shock absorbing sling designed to reduce peak loads in any climbing system.
This is amazing, feels like quite a privilege having this explained so clearly..
You are so good at asking the right questions. I love you're videos
16:45 That lander is about to drop the sickest new album of 2013
I actually downloaded the video and sampled it to my personal sample library.
I literally thought that dramatic soundtrack music was starting there. Was confused when it stopped and had to watch that part again keeping in mind that it's the sound of the lander test!
Or perhaps heralding the arrival of some Winged Hussars.
it was just like a train in India
I love "Introducing attitude disturbance" as a technical term. It's almost as good as "sudden deconstructive lithobraking". Almost... XD
I'm partial to "rapid unscheduled disassembly" myself
Or the ever popular “Engine-rich exhaust”.
I feel it's prudent to mention why "attitude disturbance" is a term. In avionics, "attitude" refers to the way a craft is facing vs the way it's moving. It's a very different definition to what people typically use the word for
I agree. There needs to be an instantaneous human override. Or, at least human input 'adjustments'
I am so so grateful for your channel Destin. Amazing. Thanks dude.
I'm so glad this footage is finally on KZhead. I remember eating lunch with you guys after this and then later Logan taking my girls and me through some behind the scenes at NASA. It was great.
Thanks Stephen! Always love giving tours.
I'm curious about how you were involved in this process. What were you doing during this program?
@@peacefulentropy8365 I wasn't. I was actually working on something else with Destin, or rather he was working on something for me. Meeting Logan was just bonus.
@@stephenshivers5150 That's awesome. Hopefully, we get to see the work you were involved in some time in the future. ;) Unless it's already published, in which case I would love the link! (I must've missed it.)
"Hydrogen Peroxide is harmless." "This will melt your face." 🤔🤔
As with any substance, the amount and location it is administered matters as to what it will do. I'm also guessing the substance they had in their tanks was a little stronger than the 3% hydrogen peroxide to 97% water solution in the brown bottles in the drugstore.
@@dkecskes2199 Yeah, they said it was around 90% peroxide IIRC.
@Chess Rockwell The same stuff just way stronger and pure.
Well, the main alternative, various hydrazine compounds, are super nasty. They can ignite on contact with your person, mess up your lungs, cause kidney or liver failure, and are carcinogenic. Anyone handling the stuff (or getting near a vehicle that has used it) has to wear a chemical suit with independent oxygen supply. They're more energetic than peroxide, but unless you really need that it's not worth it.
The propellant I use in my rockets is almost perfectly safe: a combination of pressurized gaseous nitrogen and oxygen (and some other things) and H2O. But I suppose even that could kill you if you got enough of it in your lungs!
The burp sequence? Is such a fascinating sound - I had to rewatch the video.
I got the kiwi co boxes from you years ago. They were so great. My grandsons loved them and built so much stuff. Thanks Smarter
Did destin used to be your postman?
I have to say as a fellow southerner; It instills a certain amount of pride when I hear someone with a very country accent talking nerdy.
15:11 *builds a fricking lunar lander simulator* *at same time hold phone like that*
I love redundancy! There's nothing like it when it comes to saving a sortie/mission and the primary system goes TU. But redundant systems are only as good as the operators who recognize when a system is not operating properly. Remember a French Airbus 320 that went down in the Atlantic a while back because someone failed to turn on the pitot heat? Too much dependence on the automated system is what that came down to -- or because. So redundancy coupled with LOTS of pilot training is a GOOD thing!
What you say around the 23:00 timemark is soo important. It's exactly the same with the ongoing automatization in airplane cockpits. Pilots lose their flying skills and if an emergency situation occured where they have to take over the controls because the software failed, it will end badly...
I love seeing the videos that have the actual "worker bee" being interviewed and doing the demo rather than have a "tie" demo something they really do not know. Thanks!
"Introduce an attitude disturbance, I have to do that with my kids once in a while" 😂😂😂😂 hilarious, sensible dad chuckle
When the lunar lander is playing One by Metallica, you know it's good.
I was thinking the same thing!
is that on purpose... because it’s awesome
Would be funny (and sad) if this video gets copyright claimed.
Woo! Morpheus got a mention! That was a fun project. I was involved via JPL with ALHAT, the hazard avoidance sensor on Morpheus. Yup, we're all still working on Autonomous landing technology. The most recent we've all just seen with Mars2020's Terrain Relative Navigation. Hazdet is also continuing to be developed.
I feel like you were very excited to finally be able to use footage from that experience
1:42 Early 2010s, sounds so weird now.
how was your 2020 party ?
Fantastic vid, as usual. I love your presenting style and content. BUT what on earth is the changing light thing on the top right corner of your world map?
Another fine video thank you Destin
I dig the sick beat at 16:47. A real banger!
Som en hund
1
If there's one thing NASA has demonstrated, it's that things can and will go sideways at some point. It's not "if" something will go wrong, but rather "when" something will go wrong.
Great thoughts on the pilot needing stick time before flying. I think an likely unrecognized but important aspect of the LLTV was that it DID task saturate the pilots; this way they understand how to maneuver the craft if they get overloaded!
16:46 - Okay, now that's officially amazing! Someone's gotta tell Martin from Wintergatan to take one of these on his MMX world tour.
That thing "lands" a sick beat every time it starts. :)
Destin: you’re smart. You know what’s about to happen. Me: Still me:
Lmfaoo
I’m still wondering
He's gonna revisit the weed trimmer series... by filming the interaction of strings in motion against each other, on the Phantom!!!
They look like battle bots
@@SoybeanAK I was like what's the thing in the middle…
16:53 Nice beat. I half-expect some to remix this into a music video.
Officially supported with a thumbs up and a subs. Keep on Truck'n Destin.
I’m fairly certain that every aviator can agree with me: More complex systems = more potential for failiure. Autopilot that can do an autoland is great, until it fails and you need to take over, with the shock factor of realising the system failing, at 125ft. NOTHING will replace seat time.
My rationale on this is that if we've completed hundreds of thousands of CAT III automatic landings without issue, but the aviation safety community still feels it should be done with at least two redundant autopilots with at least one human in the loop monitoring the system, we probably shouldn't have a shallower safety margin on the moon.
Also, complex pilot assist systems tend to add unmanageable cognitive load, as seen in spelling autocorrect and various computerized aircraft that flew their pilots into the ground.
The latest video reminded me of this comment I made 2 years ago. Thank you for mentioning to the stakeholders all the points I wanted to remind them
I was lowkey grooving with the lander. That thing has rhythm!
You never stop amaze me with this childish admiration towards science and all these small/simple things which would change our life eventually. You are still the best after so many years Destin.
I loved watching this a second time just as much as I did the first wonderful thank you
I found this just as it was posted and I'm really excited to learn more about the future lunar missions
Not even subbed smh
H
@@willscott2498 yes really smh
@@willscott2498 but it good the vid get recommended
I loved the submarine series cant wait for this one
This one is so much cooler because people aren't as secertive as in military
@@masterman1502 And it's also about exploration and science instead of advertisement for the military and tools for killing people (even though the technology is very interesting)
Love the videos. Mike Patey is using your sound bits on laminar flow. I thought, along with alot of others on his channel, that you two should collaborate on some videos. His videos on building and designing aircraft are amazing. As are yours.
I love that this thing is using the NWL throttle valve from the Bell Rocket Belt. Bloody difficult to make!
17:00 - that thing was laying down a pretty good beat.
I can't believe you've had this footage for years. It must've been so tempting to upload it in the past
15:09 when everyone's busy dreaming to go to moon, it's me in red just like chilling and watching them in virtual reality
Man, shout-out to the red guy eating his chips and low-key stealing the show.
2 analog computers a bag o chips and a microphone where it's at. I think this tech predates the supposed moon landing X UP UP ANF AWAY
Fascinating video I get real excited about this stuff my dad let me stay home from school to watch the first moon landing I can’t wait to see it happen again thank you so much for this video
Yo the beat at 16:48 is fire! 🔊 🔥
dude@! just commenting asking someone to sample it and make a dope tune! haha
Metallica - One
When Destin's talking about Software vs Human landing, it reminds me of my childhood reading Robert Heinlein scifi novels. I remember many times where a character was hunched over a button or yoke or lever, sweating bullets and years of life as the automated system performed a task, and they had to determine in a split second whether it had botched the job. Man, that took me back!😅
Hi Destin, thank you for all your great videos. Will you be having more on the Coast Guard?
Wish granted
Really glad to see Mr.Steele stepping up his game with this content
Hands down the best science channel with Veritasium You can’t change my mind.
Mark rober too
@@ashraf5151 oh yeah how could i forget
Applied Science, Stuff Made Here, minutephysics. And of course Brady Haran's channels.
@@YourMJK stuff made here isn’t reaaaaally science is it? It’s more like a fun projects sort of thing. Don’t know the other two.
@@Stellar-Cowboy Fair enough, but so is Mark Rober I'd say. You really have to checkout Applied Science, it's basically what the name says and he does some really interesting stuff.
If this was the 1960s, Neil Armstrong would be saying "where's the seat"? :-)
Engineer: To heavy. Seat go YEET!
These landers work so different than quadcopters yet the tests are similiar to how our college multirotor team took each step with our code. It is awesome to see that!
very clever solution, and well explained
He needs/deserves his own television show. Imagine what he could do with a large budget.
Idk, his content is great on this budget. A TV show would probably make the content more watered down, less personal, and more like every other TV show, not the smartereveryday we all know and love. Like I much prefer the slowmoguys personal yt videos, not as much the big TV budget series
Everything but probably the things important to him. The offer certainly has been made, but I am not sure that's in his interests.
It's better that he controls everything himself