Why NASA's Next Space Suits are not Pressurized to 14.7psi - Smarter Every Day 296
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- Опубліковано 20 вер 2024
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Warm Regards,
Destin
This was an incredible opportunity. I decided to go all in and discuss everything in detail. How do you feel about a Long Form Smarter Every Day video? Thank you again to everyone who support on Patreon at patreon.com/smartereveryday ! You let me make what I want instead of what I think the algorithm wants me to make!
Its not always easy to sit down for an hour straight to watch. I prefer multi-part deep dives youve done in the past!
Growth curve on viewership will be different than a shorter video, but impact on those who watch the entire thing may be much greater. Only one metric is easily quantified, but that doesn't make it more valuable / the one that should be optimized for.
I prefer the long format, and pause if I need to do something else.
I'm the "you can never get to deep into a subject" kind of nerd 😅
51:00 isn't she the one that presented a suit in a public event?
Initially, I thought I would watch for around 30 minutes, but the content was so engaging that I ended up watching everything in a single go. It was an awesome video, and I learned a ton. Thanks, Destin!
Really phenomenal video Destin, now I find myself looking up what they're using for the regolith simulant in the pool because I suspect they want something denser than good old fashioned sand.
Thanks Scott! Fly safe!
You are correct. It is engineered to move under foot not compact like regular wet sand.
When two of UA-cam’s coolest nerds cross paths… ❤️
Dad?
I was wondering the same thing, plain sand would fly with every movement of the water, I was thinking metal grains, they might even be coated with teflon or something to make them slippery and limit cohesion.
Destin! I’m the guy looking in your ears! Such a pleasure to meet you and have you come to our amazing facility again!
This without context 😅
@@That_One_Kobold 😂 creepy, right?
well? how were his ears? 1-10?
Imagine a guy in Destin's ear staring at you.
Are you Destin's hearing doctor? 😆 🤣 😂
Hey Destin, thank you again for visiting our facility. Sorry I couldn’t be in the water with you, but it was a pleasure meeting you the day before. As always it’s awesome to have someone share the work we do when trying to get us back to the moon! Hope you visit again soon!
What bcds do the support divers use? I’m looking to get my first one and if it’s good enough for NASA….
@@berttorpson2592 We used modified OMS gear. I use the backplate and wing config for both recreation and occupationally. There are plenty of other brands out there that have the same.
@@berttorpson2592 We use a modified backplate and wing from OMS gear. I use this configuration for both recreational and occupational diving. There are many other brands that have this config so you just gotta shop around.
Truly insane stuff you’re doing, the science, the engineering, the human spirit is all so inspiring!
Best of luck for all of it!
sick profile picture
This is why I love the internet. Last minute I was watching cat memes, now I’m watching astronauts trying on new suit at NASA. Amazing times to be alive.
Cats are the ultimate Internet phenomenon.
Starship launched and I have space content everywhere. I’m applying for cool jobs like this!
Thanks for having the courage to buck the short-video trend and publish what felt like a documentary. So exciting you got to do all that cool stuff!
Just think of all the ads missed by this not being 300x 15s shorts in a playlist.
I personally love long format.
Honestly, what short video trend are you talking about? Remember 3 years ago, when everything was 10 minutes? Right now I'm watching longer videos, than ever.
I absolutely agree. This was basically a documentary filled with so much information. So much more enjoyable than < 15 min short videos, either cutting away tons of information or not really including any at all.
Agreed. It's easy to pause the video and watch segments if you can't sit for an hour.
Pat wearing the cap backwards underwater is one of the coolest diving outfits I've ever seen.
Haha, I thought the same thing.
I agree 100%. Pat is legit.
Right? Would have been funny to see Destin in his!
Seems practical, too, to avoid ruining your hair.
As if he wasn’t already cool enough. I need his Bio doc
I absolutely love hearing really smart people talk about their jobs. Thank you Destin and everyone involved.
The safety diver doing the shocked face with her hands when the astronaut fell over felt very sweet and I cant really explain why
It has the energy of a teacher going "oh no sweetheart you fell" to a little kid.
My PADI dive instructor in NZ (many moons ago) was like that. Superb expressive communication underwater. She could convey more meaning under water than a lot of people can on the surface.
Normalise adding time stamps
@@matsta177 normalize watching the video before replying to the comments and you'll know exactly what moment they are referring to... especially since it's a pivotal moment in the narrative of the video. but it starts at 1:01:30
@@mattgav23g20 glad u normalize answering troll+ a real answer
Hey Destin! Absolutely fantastic video. Thanks for the feature during Bresnik’s fall and recovery. I didn’t expect my audible reaction to be picked up - that’s pretty cool! This is one of my favorite UA-cam videos ever. Go team!
You were so awesome! I haven't been scuba diving before but I love how you waited for Bresnik to figure out how to get up himself while putting yourself in the best position to help should he ask for it! I imagine that's incredibly helpful no matter what kind of skill set you're developing.
I absolutely loved this video, but you were my favorite part. Watching you communicate with the astronaut (non-verbally) but still allowing him to work the problem while keeping him clear of his umbilical really brought it home for me how essential the job of the NBL divers really is. Thank you for doing such an important thing to help humans go back to the moon!
What a great section of the video. I could see that you and the other diver were restraining yourselves from being "The Hand of God" letting the astronaut work out the situation. It also shows the fidelity of the simulation in how closely the movements were to the Apollo films. There were several situations shown of the astronauts where they looked just like the real 1/6 G Apollo guys.
Seeing your interaction with the "astronaut" showed that it's definitely a team down there. Really cool to see & hear that part of it as it happened. And it is a fantastic video!
Oh hi! I found your ability to control your buoyancy and location underwater to be awe inspiring. I turned up the gain on the audio so we could hear you like I heard you underwater. Thank you so much to the whole team for letting me observe that day. I hope I earned your trust and maybe we can do something again some day!
Thank you Destin for making this video and bringing back loving memories. I'm now 81 years old but back in the 60's I was working at MSFC in Huntsville doing Zero G simulations in the MSFC simulators. Besides under water, we had a 5 degree of freedom simulator (no up and down) and a 6 degree of simulator. This was a genius of design but a mechanical nightmare. It was located in Bldg 4755 on the top floor. An air bearing surface was prepared on the floor with self leveling epoxy in which two sets of air bearings were on each side of a large square hole cut in the floor. A spreader beam stretched across the opening and was supported by the air bearings. A single metal pole hung in the middle down to near the floor below and was supported by adjustable negator springs that provided constant force with extension (think metal measuring tape that has spring recoil). This allowed for up and down movement. At the bottom of this pole was a seat similar to a large bicycle seat supported inside a gimble mechanism similar to a kids gyro which allowed roll, pitch, and yaw. From the seat support was located an exo-skeleton for arms, legs, and back support. Everything was zeroed out just like you described in the video for underwater using weights and adjustments. Believe me, it was a sight to behold.. One day we had to put on a demonstration for several dignitaries and a couple of reporters. I was the test subject that day wearing an Apollo Moon suit with a simulated moon surface (spray urethane foam) to walk on. The techs had spent most of the morning getting everything perfect. All went well till this lady in the crowd asked me to see how high I could jump. No problem, I put all I had into it and made a fantastic jump, except I got over my center of mass and came down just like the astronauts did on the moon except more on my head. I was not able to get up without help.. The only good thing was that I couldn't hear them laughing.
We had the Lunar module assembly, Skylab assembly, and many test programs underwater for testing. One of the most interesting was a study preformed by GE at the MSFC facility called HEMAR (Human Engineering, Maintenance and Repair) underwater. That was a study to determine the limits of working in a spacesuit such as forces one could exert in a tethered and un-tethered state. This program ran for several weeks and involved a range of percentiles. I was a 50 percentile. I believe data from this study is still being used today. During the early work we were forced to use Air Force pressure suits, which when pressurized presented a sitting position with arms positioned to the controls of an aircraft (slightly bent at the elbow. We got the Apollo suits when we started doing Lunar work. They called this suit a constant volume suit and it was pretty much that, unless one of the interior restraint cables broke, in which it would try to rip you arm out at the sholder.
I noticed that those subjects in the newer NBS had a platform to lower and raise them into the water. We only had a platform in the early days that allowed your head to remain above the surface. We had to climb out of that using a ladder, with something like 200 lbs of lead weight. Glad to see that improvement.
Fascinating, thanks for this insight! It's great to see how many people share their awesome stories here!
thanks for sharing! i enjoyed reading this. I hope to have the same experiences as well
Would have loved to witness that jump 😂
You're a legend
So many good stories
I love the little "oh no!" hands on face from the diver when Randy fell over and the claps when he got up!
Been following this channel since I was 13 years old, and now I’m about to graduate from college with my BS in biology. Thank you for everything Destin.
Congrats on the degree
Congratulations!
congratulations
Eyyy same here, congratulations!
Why didn't you study mechanical engineering haha?
Watching the Apollo guys struggling to walk around will never fail to bring a smile to my face. They're like toddlers all over again trying to figure out walking. The little giggles as they fall is absolutely adorable
"Oh, here we go again"
Absolutely fantastic
“Rats!”
I'd guess it's better to keep a good humor up rather than get frustrated 😃 Still, they probably take it very serious I hope 😊
My daughter probably gave you your badge at NASA
Uh wait weren’t they exploring a zero g environment where any accident with their suit could be certain death 💀 I would be cringing in concern for my suit integrity NOT giggling like I’m on a Hollywood set 😂
Pat was my Primary Instructor for my PADI Open and Advanced Open Water certifications. It's absolutely wild seeing him here and getting a better picture of his role in the program at the NBL. Thank you for this! I feel smarter today.
He was my instructor for my PADI Open Water Cert as well! Such a great guy!
As my diving instructor in Europe once said: you can always tell who's PADI, because when they surface, they put their goggles on their forehead, where a wave might knock them off 😆
Where was this at?
Hey Destin, this video is incredible. Around 1:12:50 ish, you were talking about reasons for why the ISS is at 1 atm. The ISS is a short reentry away from the surface, so in the case of an emergency, the astronauts being acclimated to earth’s atmospheric pressure makes sense, however, your video helped me realize that this constraint doesn’t need to be held for the moon because of its distance/increased time. Thank you for helping me make that connection!!
I am not sure if the short travel time between ISS and Earth has much relevance, because moving into a higher pressure environment is not as dangerous as moving into a lower pressure environment. After all, you can dive downward pretty quickly, too, mostly limited by letting your ear drums adjust.
I am actually not sure why ISS uses regular atmosphere, tbh.
@@debott4538 Not sure either, but my impression is to maximize the static air supply. If the ISS gets holed or a gasket starts leaking atmosphere into space, it would take a long time to significantly depressurize it.
(...yes, yes, I know that gas under higher pressure flows faster through a particular aperture, but most ISS leaks would be both very small and not expand as "high-pressure" air escapes through them. It's only 1000bar, after all, it isn't truly "high-pressure." But 1000bar of atmosphere is a LOT of atmosphere for any given volume.)
@@Wordsmiths That might be one reason. I have never considered this. Although I would indeed think that the higher pressure does come with the disadvantage that any leak might rupture further due to the more severe pressure difference inside and outside, no?
Doing a little bit of digging, I couldn't find any conclusive answer, sadly. What I think I can say:
1. Fire hazard is probabaly not the reason. A low pressure O2 environment is no more hazardous than a high pressure N2/O2 one.
2. Crew health and comfort might play a role here. No-one has ever tested long term exposure to low pressure environment, I think. Skylab 4 might be the record holder here, with 84 days.
3. Experiments for ISS are all prepared on Earth. Switching the atmosphere on the way up might pollute the samples.
4. Probably the most important and yet least satisfying reason: Soyus and STS are both built with N2/O2 atmospheres. ISS had to be compatible with both. Now why Soyus and STS had their atmospheres I do not know. Potentially for the reasons above?
I would love to have a conclusive answer to this. To me, 1atm N2/O2 really does not seem like the best choice when it comes to space travel.
I bet for lunar landers/bases we will see low pressure O2 again, simply because space walks are the name of the game up there.
The way you treat the camera like an actual person in the room and get others (who probably aren’t used to being in front of a camera like this) to be comfortable on tape and be able to be the best version of themselves is just awesome. Notice it all the time but really feel it’s on wonderful display here like it was during the Kodak series.
You’re so kind and genuine. Really enjoy your content and what you do. Thank you.
Is this your first vlog? 😂
Thats funny cause I was literally thinking that exact same thing at one specific point in this video (not exactly sure where it was though lol). Destin was talking to someone while holding the camera and he looks back and forth between the camera and the guy as he's talking. It literally feels as if we're there with him.
@@CoercedJab well vlogs aren’t normally the style used for interviews though and it’s a really neat approach I think! :)
Destin also often puts himself between the interviewee and the camera, which creates a ”safety barrier” for the camera shy interviewee.
@@ruohonleikkaaja great observation!
The 'lunar walk' segment of the video got me thinking that we all went through that training when we're toddlers! We tried to get up from our crawling positions to figure out our CoG to stay upright. Sometimes we fell on our knees and hands, sometimes we tipped over backwards. Our family around us cheered us on just like the divers. Eventually all the data collected became muscle memory for us and we went on to do more impressive things like running, dancing, sports and gymnastics. Thank you immensely for making this video Destin!! Top notch content!
You are right. That's a very good thought. Thank you.
I wonder if AI robots will be able to manage these gravity changes faster than humans - unlike humans where pretty much every human has to learn to walk and can't pass on much of that skill, only one AI robot needs to learn to walk and then the algorithms can be passed to any robot with a similar morphology and they "know how to walk" instantly.
@@mikelastname First we have to make actual Artificial Intelligence, then we can have something like that.
@@DrakyHRT We'll have AGI before a moon colony, I guess.
Wrong. Walking robots are already a thing on Earth and will soon be on the Moon as well.@@DrakyHRT
Firefighter here. That stable position 1:10:03 is one of our standard positions. I was wondering if at any point a conversation was has about interdisciplinary evaluation. We train for SCBA maneuvering which is very different but has some helpful overlap.
From 3631?
Amazing to hear. There certainly should be because you’d think there would a lot of valuable information to glean
Yeah it maximizes her lever moment. I liked it too
16:55 the it’s a boy had me spit out my drink!
Diving wearing a baseball cap is probably the most American thing I have seen in a while 😂
You must have missed lighting matches with gun fire.
bigot
I am old enough to have watched the Mercury launches on black and white TV. I’m an engineer who has studied aviation and space technology for 50 years. But the simple explanation in this video of the mass, weight, and CG problem was an eye opener for me. I always wondered about the awkward motions on the moon. It’s obvious when it’s explained so well. Thanks.
Waiting on moon landing deniers to seize on ‘CG’. 😂
@@Aimless_Redyet you seem to be more brainwashed by that narrative than them since you’re the first to invoke it 💀
Whoever smelt it dealt it basically.
@@CoercedJab Nah, you just have the IQ of a fly believing in something despite a plethora of evidence lmao
@@CoercedJab the name says it all..
Very well said! Thank you!
I'll preface this comment by saying it's POSITVE. I've been waiting for the rest of the Coast Guard deep dive series for YEARS now. It's pretty clear why that isn't out yet. Destin just keeps getting to do cool stuff. So much that he can't even get videos out fast enough. So jealous! Can't wait to see what you do next.
The coast gaurd series never finished? Those were some awesome videos!
@@SomeGuysGarage yup! He went into the AMT side of the helicopter and repairs but is ~maybe?~ still going to put out a video showing what AST’s do and the actual rescue side of things.
I love the coast guard series. I would love to see more of that series, but I’d imagine it takes a long time, a lot of collaboration, and a lot of work to organize a coast guard video. I do hope we get to see some more of that. The navy/submarine stuff he’s done is super cool too. It’s all cool honestly lol.
@@FerociousPancake888 super excited too. I believe he probably has all of the raw video over with. It seems like the Airstation had him record for a few days and he already has everything. There’s probably lots of other videos we don’t even know about just sitting around waiting for editing. His editing seems super intensive and involved so the long turn around time for videos is pretty understandable.
Very kind of you to assume the best of me. You are correct about the “problem.”
Iowa State University also has a neutral buoyancy tank lab. I just graduated with an aerospace engineering degree from there and our senior project was to construct a submersible.
As an engineering tech for the Navy, I like these longer, behind the scenes videos. It gives some insite not to what we do but why. Thanks Destin.
"I know the video is long but it's worth it" Destin, we love long videos
Especially when there's a purpose for it and this one definitely has purpose.
I'm very happy with the long format. There are some channels i would not watch for that long, but your content and delivery of that content make the time go by too fast. I vote for detailed long format videos.
As a long time diver (53 years diving), former instructor and former cave diving instructor it was interesting to see the detailed discussion of center of buoyancy and center of gravity. I'm in the middle of setting up a new camera housing with lights and it is incredibly difficult to get those centers lined up on a small scale without the cameras "arms and leg" position also being variable.
i completely enjoyed the video!
Watching 1+ hours of Destin is the easiest decision to make.
Absolutely agree on long format
Hi Destin - My father worked at JSC from 1962 - 1996. He eventually being head of a spacesuit reliability division. Your videos have inspired me to go to NASA to learn more about what my father did and make a UA-cam channel about it. Thanks.
19:57 this I appreciate this so much. I constantly feel as though others lives are more put together than mine when I see something as simple as a clean room like that. Nobody is perfect and I have to remind myself that.
I like to call this kind of cleanliness the "Instagram clean". They are often hiding the mess in the closet, the garage, or just a few feet off camera!
46:55 - "This is a lot bigger than what Neil and Buzz went to the moon in." Heck, the airlock alone in HLS is probably bigger than the whole Apollo LM pressurized volume.
I already get anxious just thinking about the confined space of tiny LM.
Seeing the starship mock up in the pool just got me so excited and just helped reaffirm how real this is
it is so huge, the entire airlock is as big as the Apollo LEM's interior!
It also shows how much work is going on behind the scenes on HLS that we can’t see. The very public testing of Starship is only part of the work being done.
@@clevergirl4457 Unnecessary exces of volume that has to be re-pressurized every time u want to do an EVA.
@@bensemusx A ring shaped object to scale at the bottom of a pool is hardly a mock up. They are a long way off from proper testing and integration and even creating a realistic mock up.
@@salland12 they also have an ECLSS simulator at Starbase
The amount of knowledge, information, entertainment and joy in this video is just mind boggling. Thank you Destin!
beyond all the fascinating science and engineering, the people that Destin gets to meet and the excitement they get to share with him, and us by extension, is probably my favorite hallmark of this channel.
It’s always great to see that momentum change between “hey, welcome, how are you” and “oh, you want to know why *I* have the coolest job in the world? Boy let me tell you…”
Well said! Thank you!
Your revelation to us that you were potentially going to be an astronaut. Was literally jaw dropping. Anyone that consistently watches your work knows how smart you are and everything you show off but that’s like next level
Gods got his ways
I remember on an old talk show, they were talking about the movie Gravity and how Sandra Bullock would never make it with emotional problems lol. They said even Sully who landed on the Hudson wouldn’t be accepted, if he was younger obviously 😂
@@thesquirrel082190have you ever tried talking to him, ask him, he’ll show you. Also nice bike, I got Stumpjumper
And his most recent rejection letter was from 2017! Blew my mind!
It blows my mind that people enjoy this content so much but yet still have such bad grammer. Trying to use punctuation, but failing miserably.
This video actually got me teary eyed for some reason. Maybe it's the love and dedication of everyone involved, the feeling of humanity pacing towards the futures, the feeling of exploration. Superb video and operation!
One of the best content out here in the internet.
On one level with BBC documentaries or National Geographic or Terra X.
Just incredible, amazing work.
Thank you, Destin
Behind the scenes as NASA, love it. Years ago in the 90’s my 4th grade teacher’s husband was a Shuttle engineer and he was able to arrange for us a very cool field trip to Kennedy space center inside the large building, and we also got to see the shuttle simulator. He also brought cool stuff from NASA to the school to show for show and tell. It solidified my love for rocketry and space flight.
1:03:40 I *love* that moment of victory that diver shares with the astronaut, that joy, cheer, and flex! Wonderfully encouraging and sweet!
I love the interactions of the the astronauts and the divers. When the astronaut falls at 1:02:13, the diver does the 😱 face which shows such a fun dynamic between them all as a team
As a retired engineer, I really appreciate the technical theory. Also, the video sent chills down my spine as I remembered my experiances with other engineers to apply the theories to real world problems.
This video is AMAZING !!
Well said! I was also particularly impressed by this video. The whole time I was watching it. Very instructive and super interesting!
16:45 Simply killed me! LOL. That was great! 😄
“This gets complicated, so obviously we should use a flannel graph” 😂 What a classic statement! And what a winner video - yes please, long format 👍
This ticks all my boxes. I'm a diver. I also applied to become an astronaut and was rejected. I'm super excited for the Artemis program. Destin, thanks for letting us come along for the ride and experience these moments with you! We're witnessing the making of history here, the first steps to establishing a permanent presence on the Moon. Just fantastic!
I'll be very impressed if they overcome the regolith problem. The only solution I can come up with is that the razor sharp dust is blasted away from the landing site by the rocket engines, and/or they use Elon's Boring company to make underground facilities and mostly stay off of the surface. That, or there are many amazing technological solutions coming to prevent equipment from degrading and to prevent dust from entering the habitats and laboratories.
@@inthefade There are solutions (and it's not Elon's Boring fail) - they involve weaving electric fibers into the suit to repel charged dust particles.
I love how an hour and twenty minute SED video feels like a 20 minute video from any other creator. This was excellent and fascinating and I am excited for the future.
Watching people on the moon bounce around was easily the most funny thing ive seen all month.
In the 60s we went to the moon in a Honda Civic. In the 2030s, we'll go back in a small apartment with an attached garage. As a 30 year old space nerd kid, I'm so excited so much is happening in space these days. We sent a helicopter to Mars people!
cool analogy
@StephenTShuler I like the analogy. I've tried to explain to people who think, 'We've done that, why don't we just use the same hardware?' My analogy was, you could drive a thousand miles in a Ford model T if it was the best you had, but if times have moved on you would get more reliability, safety, ability and comfort from a newer design.
@timsmith5339 yeah there's a surprising amount of technically minded people who don't think about space a lot. I came up with that trying to explain it to an engineer I work with.
At 70, I'm excited, too! I've waited over 2/3 of my life to see more "moon missions."
There staying much longer this time. It's definitely one of the coolest uses of tax payers money.
Man, it irritates me so much how UA-cam has conditioned UA-camrs to think that long form videos are a bad thing... I often skip videos from people I really like just because they're too short and I don't feel like they're going to be worth my time.
I don't mind long videos but man this got boring for me. He wasn't getting to the point of the video until 30 minutes in.
Idk why you think this but YT rewards watch time and longer videos. The reason why you see so many short videos is because 80% of the YTers work for a bigger company and they are under contract to deliver x amount of videos at x amount of length. What you are seeing is these YTers doing the least amount of work to fulfill their contract. Very little big channels work for themselves. So blame laziness not YT lol.
@@natel7382 I've been watching UA-cam for a lot of years, I don't have the data or examples right in front of me, it's not the kind of thing I took notes on. But several people I have watched over this time have mentioned recommendations they have gotten from YT toward shorter content. It's not something I'd just make up. I also don't follow creators or content type that would be under any kind of contract.
The claim stands to reason, the average viewer only has a limited amount of time available every day to watch YT. If they spend all of that allotted time on one or two long videos, they sell fewer ads (ads between videos are longer than those midstream ads, and there are more of them). Click-through is golden for these sites, and going from one video to the next is far more valuable to them than someone just camping in one place for their precious hour of free time.
Yt is like whoa people always watch shorts to the end, they love them!
When were all like "wtf is this? Oh that's dumb" but it's already over
Condensing information is a good thing. Think of the quote ‚if I had more time, the letter would have been shorter‘. It puts the effort on the author, not the receiver. Mind also twitters success. But I agree, that UA-cam is not flooded with highly condensed quality content. Not so this really good video which was condensed and nonetheless 77min long.
Oh my god, You're the first and only one I've seen talking about, or let alone using a flannelograph for anything in modern days. I tend to joke about bringing the flannelograph back and using it at work for office stuff. And You actually did, applause for that! Ten points out of ten, and I haven't even seen all of this video yet. Keep up the good work, Destin!
Great choices of ISS experiments! At 1:12:40 the clip shows Michael Hopkins operating the Interior Corner Flow 3 vessel of the Capillary Flow Experiments. I was the design engineer and also lead the flight operations as it was a small team. CFE was Hopper's favorite experiment as he actually requested to do our ops. Great guy that I had the pleasure of training pre-flight and was able to meet with him post flight too.
Destin, if you where amazed by this, i'd suggest you try and visit a saturation diving complex... these people dive at 250 meters deep, and they stay at that pressure for up to a month, they obey another different set of rules than the recreational diver instructors in this NBL lab, they don't decompress from nitrogen, they decompress from helium, i mean, a total different set of deco tables, they use something like 5% oxygen (1,4ppo2), 5% nitrogen, 90% helium, and they do it with a closed circuit from bottom to diving bell to surface boat back down to diving bell to diver at bottom to reuse the helium, with hard hats and warm water suits... it's amazingly complex, way more than space if you remove the rocket... it takes longer to take a diver from working pressure at 250 meters, 25 bar, to the surface, than from space to the surface, it's a more hostile environment deep deep down than out of space.
I enjoy space, but I’d much rather see this.
That's called _saturation_ diving, not desaturation.
@@UnitSe7en youre absolutely right, excuse me, i'm not native english speaker :P
What's the purpose of that? Thrill seeking or research of some kind?
@@isaacholzwarth most of them work as commercial divers in the oil and gas industry. It’s usually about 24 hours decompression per 100 feet of pressure iirc so diving the max depth they can typically go, 300m, is almost a 10 day decompression.
Having watched the first moon landing live on TV as a kid this was one of the best things I have watched ever since. Great job.
Wow, that's a big statement. We enjoyed making it, and thank you for watching.
@smartereveryday it brought out the "feels", that dream that every kid had after living through the whole Apollo era. Cheers from Canberra Australia home to the Tidbinbilla tracking station 😁
Usually when I spent 1 hour on youtube, I'm demoralized by my lack of productivity, but watching you it felt time well invested, I would watch 3-4 hours version of this happily, great video.
A human being needs rest, no worries for an hour of UA-cam a day. And these long documentaries without ads, tv drama, yelling and hyping seem quite healthy to me. Especially like these, restoring a bit of trust in mankind.
Awesome video. Came here after listing to you and Matt talk about it on the ndq podcast. Really neat stuff! Cheers!
When you see a new SED video, you stop what you're doing and watch it. It's just what you do...
Thought it was just me who done that
Chores have been put aside.
so true, as soon as that notification comes through everything else gets put on hold
Hey Destin, it was fun to dive with you! It’s always fun being able to see a run, especially the lunar runs we’ve been doing. If you haven’t seen an ISS EVA run in the pool, they’re also really cool! Always a pleasure to have someone show off what we do, hope we see you again!
I was going to watch a small bit of this giant nugget of a video and then sleep some, to continue watching more tomorrow. It is now a few minutes past 6am and I just finished watching the whole thing. Golly was this interesting stuff!
1:03:00 I think that might have been bit different on the real moon without atmosphere. While he was trying to push himself up the water was slowing him down. Instead just giving a push and straightening up the water slowed him down so much that the push didn't work so he had to get up the 'slow way'.
as an australian its nice too hear an american pronounce "Canberra" right, you rock Destin
He's a fan of Veritasium. I think he learned it from him.
Love all your space-related videos!
I love cun ny girls
Videos like this make me very proud to have been a Patreon supporter for nearly four years!
Thank you so much I’m very grateful. your support motivates me to make the BEST content I can, not the most viewed.
This was an especially great one! 👍
@@smartereveryday Destin, without a shadow of a doubt - your content is absolutely some of the very best content available on UA-cam!
As a guy severely handicapped by a spine affected by several surgeries and in almost permanent pain, I am absolutely looking forward to some positions in reduced or zero gravity, hopefully reducing pain along with a by-that-time Eliminated hangups on the use of painkillers. Since I won't return if I go, I will NOT be concerned too much about losing bone density. The pool of workers will increase dramatically if space agencies look outside the specs of peak health and lifespan.
Wow, thank you NASA and Destin. Greetings from Popayan, Colombia.
Destin - you should reach out to Jared Isaacman if you still want to go to space. You clearly have the smarts to do it and the educational content you could make on a Polaris Dawn mission or some other sort of Commercial Astronaut mission. Tim Dodd is going on the Dear Moon mission - I think you and Scott Manley should both go on one too. As science UA-camrs with the "nerd chops" to communicate this kind of thing, the three of you could make some AMAZING citizen science missions come alive to inspire the next generation of astronauts. God may not have wanted you to be a NASA astronaut - but maybe check in with Him about commercial space. :) Love the video!
Totally agree! NASA has really fallen down on the job of getting their message out to the public. I think it’s partly from the challenger disaster, Mcauliffe fallout. They were going to have a teacher in space, actually deliver a lesson to millions of school kids then she was killed while those same kids were watching. The video and educational content released by space x is way better. So yeah, let’s try to have public relations and education from space, again!
I watch this channel to reassure myself that we do actually still have very intelligent humans doing very intelligent things in this country.
no DEI in NBL buddy
53:00 -- It's like watching them balance a wheel. LOL
The whole learning to walk in 1/6th G thing is amazing. It's experiencing what it was like to learn to walk as a toddler. The ability to learn and adapt is truly a remarkable thing.
Also, I came to the realisation why toddlers trip and stumble as they learn to walk thanks to this video.
And of course, the NBL is an amazing place. It would be the experience of a lifetime to get into the pool and just explore the mockups they have.
This is such a cool video. I always wondered what it was like inside the NBL. There's not a lot of footage out there actually in the pool. Thanks for sharing this with the world. I learned a lot.
I do wonder if this was all shot before or after Smarter Every Day 293 where you gave the presentation criticizing Artemis and Starship because I wonder if this changed your opinion or if this experience informed the opinions expressed in that presentation. I also wonder what kind of feedback you got from that presentation from the people in the room or other people close to Artemis who saw it on the internet. The low fidelity mock up on the floor of the pool was obviously the diameter of a Starship and the elevator is how they'll get down from Starship so that is what they were testing. That video really stuck with me for some reason and I just wondered about that while watching this.
Anyway, I'm so jealous. This looked like a lot of fun. Thanks for doing this and sharing it with all of us.
100% agree. Thanks for articulating this.
Im amazed with the access you got. Thank you sharing it with us. As an engineer that written quite a few flight test cards in my day, it makes it an easy anxiety free watch knowing and seeing how respectful you are to people that has put months of work in for just hours of data. Thank you sgain.
This is a very informative and fascinating video. This triggered long ago memories of going on site at JCC with my dad who was a structural engineer who worked there starting in 1964. He was part of the team that designed the original pool on the JSC site that was in a round building that once held a centrifuge for training. He was part of the team designing the crane that lifted items in and out of the pool. So, mentioning the crane triggered a memory. My dad took my siblings and I on site to see this part of his work. I remember the crane was moved around the pool on a track that circled the building. My dad was also part of the designing of a later pool, I am not sure if it was this NBL lab or another on site. I remember he got a call at home during that time that made him very upset because there was a wall section that collapsed during the building of the pool. It turns out the builder of the pool didn't use his team's ground water pressure for that area and changed the design to put more spacing between the supports for the walls causing the collapse. I don't know much more, except dad had to prove how the contractor changing the support spacing is what caused the collapse. He made a scale wooden model that slid to show the differences in what the support was supposed to be and what the contractor made as a visual aid to show this. I just found your videos and I am binge watching the ones related to space.
Learning you tried to become an astronaut suddenly made EVERY one of your previous videos make more sense. I've loved your adventures - from the goofy to the sciency to the orphanage. This takes the cake. Bravo and blessed Resurrection Day.
Considering they let him try on a space suit and (I think he mentioned it) send him flying on zero g flights, he must have been fairly far along in the pipeline...
I'm a software engineer, but also a GA pilot and have to do CG and moment calculations quite a lot to do weight and balance of the airplane I'm flying. The bit where you explain the way they figure out the CG and CB is super fascinating how it's all balanced out. Thanks for sharing your content. I enjoy learning new things every day.
That Starship mockup really puts into perspective how big it will be.
Well, how big it won't be; so don't get disappointment when it ends up being the smaller NASA or Bezos lunar module. I assure you, Muskrat the Conman will not deliver, he is already nearly a decade behind his own deadlines.
@@AnEntropyFan you clearly have 0 clue about how manufacturing processes work, and how delivery schedules get pushed constantly. I bet you cant even build a bird house LOL. I bet you come on the internet to cluelessly chime in on things you read in a book once
I really hope Destin can talk a little more about the underwater sound system? I was really fascinated about how clear you could hear everyone under water 🙂
I just get more and more excited whenever I see SED videos getting longer.
Seeing the smartest people in the world just wobble over on the moon is the funniest thing i have seen.
This has to be one of, if not the, coolest video on youtube. This is exactly what I'd love to see more of on here, super interesting deep dives (pun intended) on how we prepare for space. No one else is doing this sort of stuff at this kind of level, and it being so long is just real pleasure. Please feel free to put out long ones like this in the future again, they're a real joy. Bless you and the work you're doing Destin!
The clothes dryer at the end was a ‘spin dryer’ they’ve been around since before Apollo! If you know anyone who had a ‘twin tub’ washing machine the second tub was the spin dryer. You used to be able to buy them separately but most washing machines have that function built in, most have it labelled as ‘spin/drain’ my mum sometimes runs it after the normal cycle to get more water out before tumble drying. Very interesting video learnt a lot.
I think it's awesome that you get to do these things Destin, and thanks for sharing them with us! Keep it up!!
I am incredibly grateful.
@@smartereveryday This was awesome. I just want to remind you that you get to do these things BECAUSE you've done the hard work, BECAUSE you're humble, BECAUSE you're respectful, curious, knowledgeable, and more, and all these qualities made you an asset at the NBL that day. The astronauts and engineers and everyone else there obviously valued your presence deeply. You belonged. Thanks Destin.
I almost made the Apollo program in the 1960s at age 10. I trained by rolling downhill in an old clothes dryer drum and spinning in a tire swing. I drank copious amounts of TANG® and ate some Pillsbury Space Food Sticks®. My mom disqualified me because I wouldn't eat my vegetables and didn't do my school homework because of my vigorous training schedule. Love the video! PSALM 8:3
Looks like you didn't realize all the astronauts were also academically at the forefront of their classes...
@@realulliBut 4 years ago my grandchildren did assemble the 1969-piece Saturn V Apollo Lego model for me. I explained the purpose of each subassembly as they completed them.
One of my favorite "perks" of working for my employer was a chance to get a floor "tour" of the NBL and suit lab during an actual training evolution, with the chance to pick everybody's brains on anything any everything even while standing mere feet from the platform while astronauts were fighting to don the suits. There's really nothing else like it anywhere.
I found it interesting that, while on the flannel board, you put the CG on the backpack, behind the feet. This fine fellow would fall over backwards or need to have one foot stepped back or forward (forward enough to move his CG over his other, stationary foot). The CB isn’t hard to estimate. Let the fine fellow float and where he stops is when the CB is right over the CG. Once aligned for vertical floating, one can move the floatation devices or foam down until right before the fine fellow’s feet float up. This would balance things. (Now, I’ll continue your video and see if this is how it worked in real life.) => Good question about wasting resources at higher pressure, but that would be a diving situation, where the exhalation was exterior to the environment. In the ISS, the exhalation is still contained. If the exhalation was at a higher oxygen content and higher pressure, but the same amount of oxygen was converted to carbon dioxide, not much waste, unless I missed something. => The bends occur whenever the partial pressure of a gas, such as nitrogen reaches 100%. (NASA, flight surgeons and astronauts (and their families) would like a safety margin.) If we have atmospheric concentrations of 78.08% Nitrogen, 0.08 safety margin, 14.7 psi atmospheric pressure, we have the bends, 100% Nitrogen at 11.5 psi, slight rounding for safety margin. As we are trying to reach 4.3 psi, we need to dump 60% of the nitrogen contained. Carbon dioxide has a partial pressure a bit lower than 1 psi, so 4.3 psi will not trigger a bends issue with carbon dioxide. Lots more in the body, generated in cells and migrate into blood and lungs: much larger safety margins indicated from arterial concentrations. => It is not institutive to be able to breathe at different parts of your lungs, needed to avoid adjustment of buoyancy compensator to float. However, any inhalation will increase buoyancy and any exhalation will decrease buoyancy. Also, divers have the centering of CB and CG if they are to “hover,” same as astronauts. => One thing you didn’t express was that these astronauts were still in a 1 G environment, so their internal blood and physiology was normal, even when their external body had buoyancy to counteract gravity and the alignment of CG and CB. => Marvelous video, amazing astronauts. => I wonder if women, being smaller, on average, or men, being stronger, on average, tend to do better. Perhaps a smaller man? Perhaps not as much difference as one might expect.
When you entered the pool, I got wet eyes, the first images with all the tools, 3D models of the different modules, etc... were very overwhelming for me.
Incredible video, thank you.
Humans do incredible things sometimes, and it's good to have people like you to show them and remind us of that.
I’m grateful to you, Destin, for your approach and love that you can focus in on the questions I would ask and are able to approach these subjects in a way that uncovers more fascinating information and allows the people you are interviewing to shine and share their experience and knowledge with us. Thank you so much. (Sorry for the huge run-on sentence)
Thank you for the kind comment. I really enjoy learning about what these amazing people have done.
Extremely interesting. On a side note, back between ‘85 and ‘90, I was a young design engineer (EIT) for a large Dallas-based bridge construction company. In that role, I primarily did structural designing on concrete formwork, critical beam lifts, a precast casting yard, specialty shoring, etc. i also did some earthwork take-offs, surveying calcs, etc. in those days, we did not have any PCs on our engineering department. We hand calced everything and then drafted our designs on old fashioned mylar. I loved it.
Sometime in middle of that, I recall helping our estimating department put a bid together on the construction of that NBL “pool.” It was the darnedest thing we’d ever seen. Unfortunately, we did not win the job, and I read later that it went thru a redesign to reduce the size/costs somewhat, but it would have been a cool job to build.
Those studio special effects artists that produced those Moon landing videos sure were smart! 😂
Almost like they had a real landing to study from.
"Ahhh rat!" and "Here we go again!" are my favorite astronaut quotes 😅👌
I can't say how jealous I am of the opportunity you had. I would have loved to get the chance to dive that pool and watch the astronauts train. Given you are about 100 times smarter than me, I won't be waiting for the invitation, so THANK YOU SO MUCH for sharing your opportunity and knowledge. It was absolutely the best.
Incredibly surreal experience to see so many of my colleagues in a Smarter Every Day video! I'm so glad you were able to get this level of access to share some of the incredible research being performed at NASA JSC!
It must be an interesting workplace where you are in a constant state of learning. But of course also a lot of pressure and seriousness, it's after all about exploring space and keeping those astronauts alive. Of course depends on what one does but it's all connected and all important work!
Thank you for shooting and organizing and uploading these videos!
Somehow, I never thought about how desorientating it has to be to have no gravity.
I just tried to imagine being somewhere outside of a spaceship with no real point of orientation and no gravity, just trying to figure out where up and down is, while being inside a thick suit and without any periferal vison while every move just turns your whole body in some way you didn't want and it made me nauseous...
I also never realized that no weight was more exhausting than a little weight. Legs are almost completely dead weight! If only we kept opposable toes.
The thing is - there is no up and down. That's what they're learning there - it might be better to approach a certain task rotated 180 degrees (a.k.a. upside down). You might want to keep in mind which way you're facing in relation to your spacecraft, but that's only to e.g. know the way back to the airlock. There was a game in the 1990s called "Descent" where you were flying some kind of craft through a 3D environment, that was really disorienting sometimes. (Basically a fully 3D 1st person shooter in a 0 g environment, unlike all the others that had up and down)
Its incredible to see how large the starship really is.
Indeed. The interior volume of the cargo bay is insane - NASA will be busy thinking up enough ideas and equipment to fill it, in all the prior years of the program no one expected anything near this size. The crew quarters will occupy two more tall levels (gently tapering) above this. The astronauts won't have just bunks, there's room for a separate cabin with a double bed and private bath for each. I don't think it'll look like that but it'll actually be an embarrassing amount of volume.
@@donjones4719 Waiting for the announcement of NASA seeking propositions and partnerships of what to do bring to the lunar surface, because they have quite a lot of free space and aren't sure what to do about it
@@donjones4719 There is an amazing amount of potential, because it's not to the ISS, this is going to the moon. So there are a TON of things we can test in low gravity, not micro gravity, and not only that, but in lower PSI ranges, different oxygen levels, etc. Plants come to mind. For the future of agriculture on the moon, we will need to know what works, what doesn't, and what we could bring. Then we have potential manufacturing processes in low gravity that could be tested. You could bring analysis equipment with, you could bring extra batteries for charging, tons of science equipment for material analysis, equipment to attempt ISRU. The size may be the best thing for NASA, so much science can be done with one mission that it will give YEARS worth of data.
NBL!!! My grandmas best friend works there, I visited years ago and met Jonny Kim right has he finished a 5 hour dive and he was so awesome and welcoming! Even got to see a heli flip training drop happen. Lucky!
please give us more updates on Diana's health improvements
I'd be lying if I didn't say that Destin isn't existed in every video he makes, but I love it when I see him be this excited in a video. It makes watching that much more immersive. Granted, this is a wild thing to be able to do and join in on, but the point remains. :)
Everyone sees and loves the IFTs but it’s easy to forget about all the teams working on all the different systems that are going to be in play between here and the Moons surface!
That much “momentum”, it’s certainly easy to see why major projects don’t get shelved or rejiggered no matter how insanely over budget and behind schedule they get…
Absolutely amazing video! So many problems yet to solve but we are definitely going in the right direction!
Ive gotten to test some prototypes in the NBL for a NASA competition. Ive been there a handful of times on my internships as well. Im so happy youve made a video about it its one of the coolest facilities at JSC!
The fact that we get this kind of quality content on UA-cam is amazing. Just a pleasure to watch, thanks Destin and all the smart dedicated people involved here!
I didn't even realize this was a one hour video. Time really flies when your learning new things. Thanks for the amazing work you do and thank you to all the people at NASA that makes this type of content possible.
Seeing the simulation of that first future moon walk from the Starship HLS, was truly awesome for us space enthusiasts, thanks very much for putting the work into this!
That was worth every minute I just spent watching. Thank you Destin!
Hey Destin, at the off chance you see this. I cannot wait for your video about the eclipse. I live in Maine and drove 4 hours north to another town in my state to watch from a spot in the 100% zone.
It was definitely the coolest thing I’ve ever seen and created memories with my family I will never forget. Thank you for sparking my curiosity and teaching me some tricks and stuff to look out for. It made the experience so much better
I was in Texas and it had really bad cloud cover. I wanted to go to Maine so bad the day before when they said it would have clear weather but flights were impossible. How was your experience? Do you have shots posted?