Two Vortex Rings Colliding in SLOW MOTION - Smarter Every Day 195
ฝัง
- เผยแพร่เมื่อ 19 มิ.ย. 2018
- This took 4 years to recreate. 12 Hour edit here: • Behind the Scenes: Two...
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I’ve been chasing this problem for over 4 years. The 12 hour edit chronicles the entire process after David Linderman and myself started working on it in earnest.
• Behind the Scenes: Two...
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Song “Rings in Rings in Rings” by Gordon McGladdery of A Shell In The Pit
Listen to it on Spotify: (It helps
open.spotify.com/track/5Itp2w...
All A Shell in the Pit music available at:
ashellinthepit.bandcamp.com/t...
ashellinthepit.bandcamp.com/
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A Vortex Ring is also called a Toroidal Vortex
en.wikipedia.org/wiki/Vortex_...
Original Research Paper by T. T. Lim & T. B. Nickels (Published in Nature 1992)
202.118.74.190/~elizabeth/Docs/34_Instability_Head-on%20collision_of_large_VR.pdf
Governing Equations of Fluid Mechanics
www.eng.auburn.edu/~tplacek/co...
Numerical Analysis of this phenomena
fluid.itcmp.pwr.wroc.pl/~znmp/...
Interesting Research Papers on Vortex Ring Reconnection
pdfs.semanticscholar.org/3721...
Other Videos created by Dr. T T Lim
me.nus.edu.sg/dept/limtt/video...
Flow Visualization, A Book by Dr. T T Lim
www.amazon.com/Flow-Visualiza...
Why we typically don’t talk about angular momentum in fluids.
physics.stackexchange.com/que...
We used a computer controlled cylinder to pump fluid behind a rubber membrane to fire toroidal vortices out of the vortex cannons.
We fixed one of the vortex cannon in a stationary position, and used a multi-axis microscope stage to align a second cannon to it… which sounds incredibly easy, until you realize that
DYE density was an experiment all on its own.
If the density of the dye mix was light than water, the vortex would go up.
If the dye was more dense than water the vortex would fall.
We had to overcome SO MANY VARIABLES to overcome and we basically spent about 4 hours figuring each variable.
Water/dye temperature differential
Water turbulence
Water turbidity (cloudiness or haziness of a fluid)
How to reset the aquarium
Cannon Spacing
Cannon Nozzle
Cannon Shape
Dye homogeneity in the vortex itself
The piston displacement volume
The piston stroke speed
Rubber diaphragm tension, would make one side fire faster than the other.
Water or air to drive diaphram?
Firing speed (too slow and they drift, too fast and turbulence tears apart secondaries)
We did a complete redesign of the cannon 3 different times.
The Dye loading method was changed several times
At times we tried to maintain negative pressure on the cannon chamber… we also tried to put shutters on the front of the muzzle. Ultimately I decided it was ok to live with dye dripping out of the front.
We had to premix the dyes and eventually we got there.
It got to the point where we didn’t even really know what success looked like and always thought we were there.
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#smartereveryday
#vortex
#fluiddynamics - วิทยาศาสตร์และเทคโนโลยี
Thank you to the Patrons of Smarter Every Day for helping me do things like this: www.patreon.com/smartereveryday.
Think about the spin of each ring. See the mushroom cloud effect at the start? The centers of the ring are moving outward faster than the outside and creating a backspin. When they collide, even as the low pressure pulls material together, both rings are still spinning opposite each other and because of the magnus effect(if I'm thinking of the correct effect), they create a forward, or outward away from the main ring, pull. I can't articulate it very well because I'm just not smart enough, but think of a basketball's backspin, and how it creates a forward pull that lengthens a shot.
SmarterEveryDay Bro, did you just say “jif” !?!? Graphic Interchange Format... “gif”. You are a true hero to my girls and I and I have been subscribed for years, but that is unacceptable. 😂
...and then not using Micah 7:8 for your Bible verse? Perfect video for that verse!
God bless you brother. Keep up the great content.
Maybe there is a direct collision between an area in the low pressure zone and in the ink or the space between that causes the smaller rings to be at a 90 degree turn.
Could the reason for the 90 degree turn be due to the low pressure zone pulling material to itself then the momentum carried from the movement colliding with the material from the opposing side create a backspin and then create a new vortex
I dont think there is an actual 90° turn. Looks like many smaller collisions similar to the first. Like fractals. Id love to see this done in a place with 0 resistance if it were possible.
What's crazy is 30 years from now someone will probably watch the phantom footage and say wow that was filmed on a potato!
Idk, maybe. But cameras have caught up with our eyes. We can only see so clear
Justin spacer r/woooooosh
lol
@@Shadow-us4oq In 30 years cameras will film in UV and IR and visible light, at ridiculous speed, with everything in focus, all the time, at a resolution which allows heavy zooming.
@@Chris.Davies If the current camera and media demands remain the same, that may be true for certain applications. But I think in 30 years, we'll be regularly recording immersive VR experiences instead of just 2D viewing. I see in 30 years (or around then) vlogs will be immersive and participatory, and movies will allow you to enter into the storyline and observe the characters side by side (or be one). We do have that to some extent with video games, but in 30 years I think VR will encompass video games, movies, online media, news, everything. I think anything media related will be participatory and interactive from a virtual reality standpoint. The camera's wouldn't just be 360 capture...they'd be able to map out 3D space and reproduce any environment for us to walk through, or fly, or shoot zombies, or have a virtual significant other that makes you happier than any real person you've ever met. "Hey, you talking to me?" "Nah, I'm just having a conversation in the Matrix."
Of course that's assuming we don't blow ourselves up first.
Dude, that was incredibly beautiful
Bobby Duke Arts I WANT TO HAVE YOUR BABIES
'ello there 0/
Hey Bobby dude this was sweet as heck wasn't it really wish I had seen it in real life but he's got 12 hours what an awesome use of the second Channel ;-) maybe how you do your behind the scenes stuff would be a cool second Channel
It would only be better if it was recreated in wewd. ;)
May sound like am over simplifying it but Vape Tricks are full of stuffs like these lol youtube it?
It took me 2 years of watching you everyday to finally get the message behind what you said. “All you gotta do, is fill the tank back up and give it another shot”
That hit home with me. Thanks for always bringing my worst days completely the opposite with just a few simple words.
This was quite beautiful!
Props to whomever first thought to do something like this and props to you for being persistent in recreating it. Your persistence was much appreciated.
"It was filmed with a potato" is the most scientific complaint I've ever heard
That quote gave me Portal 2 vibes.
“Oh. Hi. So how are you holding up? BECAUSE IM A POTATO! **slow clap** Oh good, my slow clap processor made it into this thing.”
@@martinmc0950 *_Y E S!!!! Y E S-_*
Excellent verbiage indeed!
Troooooo
So you spend years trying to recreate this beautifully, and we all get to sit here and watch the result for free without doing any work towards it at all? Awesome. Thanks for sharing this with everyone. Amazing.
Well you could try supporting him on Patrion, for starters.
That's the beauty of civilisation, the whole society can benefit from the work of few.
BizMarkie91 ye but why is this important real question
@@dysxlicwan7833 knowledge
@@10babiscar ? A few? What are you saying? Civilization was the work of thousands of people....to make a civilization...you can't say that word without having a conception of more than a few human beings. Your comment has thrown me off man....including the other 3 who liked it.
Hollow : purple
It's amazing how a random email made them so curious to try and see that one glimpse of circle forming. World needs people like them.
We used a computer controlled cylinder to pump fluid behind a rubber membrane to fire toroidal vortices out of the vortex cannons.
We fixed one of the vortex cannon in a stationary position, and used a multi-axis microscope stage to align a second cannon to it… which sounds incredibly easy, until you realize that
DYE density was an experiment all on its own.
If the density of the dye mix was lighter than water, the vortex would go up.
If the dye was more dense than water the vortex would fall.
We had to overcome SO MANY VARIABLES and we basically spent about 4 hours figuring each variable.
Water/dye temperature differential
Water turbulence
Water turbidity (cloudiness or haziness of a fluid)
How to reset the aquarium
Cannon Spacing
Cannon Nozzle
Cannon Shape
Dye homogeneity in the vortex itself
The piston displacement volume
The piston stroke speed
Rubber diaphragm tension, would make one side fire faster than the other.
Water or air to drive diaphram?
Firing speed (too slow and they drift, too fast and turbulence tears apart secondaries)
We did a complete redesign of the cannon 3 different times.
The Dye loading method was changed several times
At times We tried to maintain negative pressure on the cannon chamber… we also tried to put shutters on the front of the muzzle. Ultimately I decided it was ok to live with dye dripping out of the front.
We had to premix the dyes and eventually we got there.
It got to the point where we didn’t even really know what success looked like and always thought we were there.
Could you please enable the english subtitles ? Thanks.
SmarterEveryDay Nice!
SmarterEveryDay someday people are gonna call your phantom a potato lol
Wow, I thought the main issue was convection currents caused by the lights acting as heaters... or something. Boy, am I glad I won't have to work with fluid dynamics any time soon!
Linear actuator.
This is so awesome. Congratulations on getting it to work. What a video!
Practical Engineering hi PE!
What is more amazing is that the original vídeo had less technology... And it was even more Perfect. So many old tech that were lost and we have no ideia how they worked! Love your channel btw! Best wishes from one engineer to another!
I also love your channel
two great youtuber
We love your channel too!!!
This on loop? I can watch all day and night. It's flipping ART!!! I'd turn this into a video painting on my wall if I could ☺️
Awesome lesson man! Thank you very much for doing this. Is a clear demonstration that persistence and effort always pays off.
I love how your mind works. You are the best thing on TH-cam by leagues.
Your patience is genuinely inspirational.
love you al sir
rare earth in smarter everyday. That's something you don't see everyday
Thank you so much Evan.
#InspiringPerserverance
Rare Earth you must never checked out the paper patriot. He makes 3d models using only paper.
This isn't just persistence, what you experienced right there is what pulls humanity forwards.
💜
My thoughts exactly. Thinking of 1.618 phi golden ratio, DNA/RNA helix, Ein-Sof, and Carbon 7. It does require much control or perfect observed conditions, of which chaos can interfere with greatly.
so..... what exactly do you mean by forwards? I can see many things in the human world that was supposed to pull us forward, they mostly ends up enslaving us in one way or another.
Figuring out new information, developing new technology- it's what keeps civilization advancing. It's how we become more and more advanced.
🧐🙂👌
Love the enthusiasm and the dedication which helped you carry on for a couple of years with this project. Apart from this, it just looks mindblowing. Thank you.
Photography was my fluid vortex ring and I pushed hard to learn everything I can in such a short amount of time. I love that you had the passion to pushing forward and to finally get that one moment you was looking for. Photographers sometimes wait months and even years for one picture and to me it’s amazing what that time comes because it’s a moment in time that took days weeks months and years in the making for that moment. Way to go I’m jumping up and down for you guys that’s awesome that you got it. I’ve always loved Science and anything and everting to do with it. Love what y’all do and keep it up.
I love how probably every fact we know took someone a lifetime to discover for us to go "oh cool."
You might know about it but you can't do it
Underrated
And those people were probably inspired by someone who gave their lifetime to discover some related fact. We are standing on the shoulders of giants.
"All you gotta do is fill the tank back up and give it another shot"
- best quote ever and soo inspirational!
Keep up the amazing work.
Especially if you play World of tanks...
Instructions unclear, the tank got shattered by my shot.
You forgot to setup patreon
Also works with gas tanks!
"It's easy when you have the means at your disposal"
Gotta thank you for making this available, I teach fluid mechanics and this is awesome material to explain vortex interactions!
You are the reason why TH-cam should exist. Thank you.
I just want to say thanks.
lol wkwkland
Found it
Cie seneng ginian jg
@Said Al Gifari ngapaen kesini anjeng
Bang ripiew hp asus rog dong
The music choice for this is so perfect. and the fact that the song's name is Rings In Rings In Rings is just another level of awesome.
Really well suited for this moment.
meta af
Talk about easter egg lol
It's so satisfying, I can't thank you guys enough for sharing such awesome content with us.
*Water Donuts fall in love and have children*
@Elk The Wolf It's a 6 day old comment on a 1.5 year old video, give it time.
It's frankly unacceptable that this didn't become the top comment on the video after a whole week. How could we let this happen. What have we become.
My children are beautiful
Water donuts, do mitosis
@Elk The Wolf There was no stability in the family.
Impression:100%
Science:100%
Water bill: 100%
pizzaslize I spit out my water though my nose with that laugh... thanx
Did that qualify as a refund? 😂
Satisfaction: 100%
Hahaha🤣🤣
Hotel: Trivago%
@@valorix3385 makes no sense
I love these guys due to their abilities to ask more questions. Great work guys.
Absolutely AMAZING.... Destin I must say that in my opinion you have the best videos on this platform. Thank you for all that you do.
“All you gotta do is refill the tank and give it another shot.”
You just won the internet, Destin.
Kevin O lmao
Kevin O I've just shot my tank. Now what? 🤣🤣
If only Germany did that during WW2.
There can be only one.
Ferrariman
Oh man, only 30s into the video and I'm real excited
Do you have anymore plans with wood gas? Like making a burner or engine possibly? Love your channel.
Yes, I've been working on it already today
….the music, the rings and colors, almost looked CGI! This was an incredible thing! We are lucky to have seen it!
I find that to be unbelievably beautiful! Nature and it's forces are unpredictable. Thank you for sharing.
*When TH-cam recommendation is on point*
^
572 likes but only 2 replys
yeah, I came from recommended
same
Hi
Destin: "money can't buy it"
Also Destin: "I used some patreon funding"
Cassiano Barcellos woooosh
That's... Not at all what he meant when he said that.
@@ExperiMentalDon The joke: ----->
You: 0
-|-
/\
Dad?
@@kisaragiayami lol
The amount of work put into this is absolutely breath taking!!!
Incredible. Beautiful music. Well done. 3 years of hard work condensed into under 10 mins! Thank you for work. 😊
"all you gotta do is fill the tank up and give it another shot".
- Destin
This is incredible Destin. Not giving up really paid off to be something beautiful.
the music, the dedication, i love all of this
That moved me. I can't say why really. Brilliant!
What happened by 4:22 looks as fascinating as the "successful" collisions.
HoundOfJustice exactly, that was so mesmerizing
HoundOfJustice it ist just so satisfying right?
i think the red ring was a little bigger than blue, it sucked the blue ring inside of itself
One of the most beautiful vids I've ever watched on TH-cam
IncredibleScience me too..i loved how he smile while telling to us about the information..
the most bweautiful video i have ever watched.
Took the words right out of my mouth.
You all are definitely not using youtube to its full potential.
@@StanHowse yes lol
It might have been a project of persistence, but the end result was art. To consistently recreate the effects was no different than an artist spending 3 years on a painting. Beautiful!
This fluid dynamics you have discovered and reproduced are revolutionary. There is a whole range of studies and applications for this. Thank you.
My last 2 brain cells meeting.
Oof
They split into more brain cells?
Gloop yeah its a life hack. So just keep drinking
"It was filmed with a potato"
WuzNab 🤓😂🤣😜
This was seriously one of the most interesting things
I've watched. Love your videos, thanks for this
saaaame.
As you got closer and closer, my heart started pounding faster and faster. But, I have to say, the vortex rings in the original paper looked a smidgen more perfect...
Love, love, love it!! Even the introduction alone with you being so passionate and relatable makes me wanna watch more of your stuff!
Could it be that gyroscopic precession plays a role in some way? It made me think of that when you mentioned the rings change 90 degree direction...
Wow three years worth of work. Frustration. And finally pride. I love scientists and engineers man
You are promoted to mad scientist status. Congratulations.
BWX beginner mad scientist
BWX sad scientist, dont end up like okabe
sonovabitch
Thank you for your dedication to this Destin! A true inspiration.
New to your channel I watch the sea turtle one! Really enjoyed that. Appreciate your choice of topics and your overall deliverance of the material from an unbiased position! Awesome thank you
I wanted to animate 3-D text. Blender was the software, and I tried about 3 years ago, and gave up. This time, I watched many TH-cam videos, and finally got up the nerve to try. After many failed attempts late into the night...I did it ! Not an expert of course as you can see on my channel, but for a 65 years old with limited mobility issues, I finally am a little proud of myself...thanks Destin, your channel has always been an inspiration...from balloons in the van (with kids and Dad) to this...awesome
I came for the cool vortices, and got a bonus inspirational message. Thanks!
May sound like am over simplifying it but Vape Tricks are full of stuffs like these lol youtube it?
I could have done without the inspirational message. We're not stupid. He said that it took years to achieve his goal. That's all that needed to be said. We got it. Patience and hard work. The sermonizing makes him sound arrogant, like making water swirlies elevated him to a higher plane. Dude, there are people who spend years trying to beat cancer. Years trying to lose 300 pounds. Years trying to earn a degree. You're not the only person who has spent years pursuing a goal. Let your video stand on its own. We can see. We can hear. If your hard work and patience inspires us, it will -- without the sermon.
amazing work!!! the fallow through looks like an amazing reward to me, keep em coming.
i couldnt help but sit here in awe as I watched each of those rings collide and in my brain I imagined this to be the big bang. one massive hit rolling out into smaller more manageable ones. was stunning! also very high so thanks for a great video!
Aperture Science: We do what we must because we can.
For the good of all of us, except the ones who are dead.
There is no sense crying over every mistake
In case of implosion look directly at implosion
You just keep on trying 'til you run out of cake.
And the Science gets done
And you make a neat gun
For the people who are still alive
TLDR: Don't send videos of cool stuff to Destin, it'll drive him mad.
Or more wise :)
TL;DW*
That. Is. Beautiful. Disregard the wonderful physics happening to create it, visually... I've replayed this time and time again.
The system starts with two vortices. After they collide, the vorticity has to go somewhere, which ends up with those beautiful secondary vortices. Fantastic!
I had to overcome people mocking me, I love aviation so I read books, watch documentaries and films, I read magazine's and build model aircraft, I have done RC flying, I'm currently an aircraft systems technician and I talk to aircrew where and when I can and done my first solo flight last year. 23 years it took me to get to fly an aircraft properly myself but I did it
Ryan True keep going, my dude. My dad started the same way as you and he flies for ups now.
Build or buy a homebuilt. I have been flying since I was 12 yo and finally purchased a Varieze and it is the F-16 of amateur built.
vondeliusc I wish I could afford to do that but I don't have a house so I would have nowhere to build it and I wouldn't have time to either, I fly the Tecnam P2008JC
Jehuty989 people I went to school with, even now get the odd remark about it, to me it's fascinating as it can do so much, I mean we can have a person pull 11G and go faster than twice the speed of sound! How amazing is that??? There's a video on my channel of me pulling 8G
Your persistence does you credit, good job and congratulations! I am similar, with regards to law and law enforcement, spending most of my spare time studying anything from psychology of criminals and officers, law and how it both is theorized and applied, and actually talking to officers, victims and criminals. While I'm not contributing to the field as much as I'd like, your story (and the words of Destin) gives me fuel and motivation to try and persevere. Thank you, and good luck in the future!
“I started this process simply wanting to re-create something that captured my imagination, but obviously it morphed into something much larger than that. It wasn't about Fluid Dynamics, or Motion Control. It was about Patience and Persistence. The value of surrounding yourself with people who get this cannot be overstated. David wouldn't[never] quit which taught me to power-through, even when it might not make sense on paper. Everytime we failed, we learned something. So ask yourself this: What are You too intimidated to try?”
“All you gotta do, is fill the tank back up, and give it another shot” @5:15
That was very inspiring!
I'd imagine this must be how Elon Musk has gotten so far even with haters all around the world saying "It'll never work... give up." Absolute patience and persistence.
I legit started reading this comment as he started saying the quote...
Thank you for that
HELP! I CAN'T STOP THE LOOP.
Extremely inspirational! Thanks!
This is really awesome and incredibly beautiful. A BIG THANKS!!!!!!!!!!
Extremely inspiring and beautiful! Thank you!
3 years of painstaking work for us to go "woah nice" then go watch something else.
Money and ads
lol that and 7.5million views as of this comment
Fluid dynamics are fundamental in spacecraft propulsion. Understanding how this effect works, and being able to recreate it successfully 100% of the time might one day help us to colonize Mars or create a habitable artificial gravity aboard space stations.
I add that last bit about artificial gravity because the Coriolus effect is a big hinderance to creating smaller scale rotational g force - imagine if we were to apply this fluid dynamic effect into the equation for coriolus to off-center the fulcrum ten inches to the left effectively canceling out the big g on the y axis - how awesome would that be?
Then you really didn't get the message, did you?
The best questions in science lead to more questions.
Amazing. If nothing else, it's beautiful to watch.
Thats beautiful, thank you for making it!
i don’t understand the dislikes, you work during 3 years on this project and you realise your objective.
Great work men!
it's because he said "jif"
Nicolas Lebouc an old friend said, “there just ain’t no please’n some folks”.
Because there was no explanation. Not even a pathetic attempt to explain the physics (or more precisely the physical theories) behind it. Thats not how you get smarter, thats showing fancy looking slow-mo videos for the clicks..and watching them for the lulz..
@@ParanoidMaster This guy doesnt understand the physics behind it & it IS just for the show. idk why that would put people off or why anyone would expect more from this guy.
lol , I guess they are not smart enough to appreciate it or understand it.
Destin: Can’t find information online
Also Destin: “Fine, I’ll do it myself.”
Impressive, I just dont understand how they didnt change to a faster water replacing design :D.
life of a programmer too
Thanos be like
@@Zuluparaszt3 I think they would need time for currents in the fresh water to still before doing the next iteration. Otherwise it wouldn't work.
Brilliant! This is LITERALLY where science meets art!!!
Honor for this channel for not hiding the payoff behind ads
Watching this on a Big LED panel is even more satisfying, LG or Samsung is gonna call you to ask for this footage
Aayush Dua I have just watched this on a 4K HDR LG C7 and was just thinking how great this footage is, and how Destin’s edits keep getting better! Great job Destin!
Aayush Dua in target or best buy lol
"Fill the tank back up and give it another shot..." Almost shed a tear there not gonna lie. Inspirational af
Same.
God spoke
i didn't know this effect.
so beautiful!
To me it makes me think the way the universe was created, through massive collisions and explosions. Really cool work. Kudos.
Patience and persistence to a whole other level... well done!
Agree or not, this is the most beautiful video on TH-cam.
Mohamed Doha or not
pretty much tied up with Brian Cox's gravity experiment video. both videos fill me with a indescribable happiness
I wouldn't say its the most beautiful video on youtube thats just your opinion and others might agree. But what I would say is that its sad this video wont get the popularity it deserves. TH-cam was made for videos like this but now it just seems like they've forgotten where they came from
Thank you!! It was beautiful and inspiring.
Started watching this on my phone. Switched over to the TV because that's how awesome this shot it. Oh, and the mind-bending maths. Love it Dustin!
"5 years ago someone sent me a link and i opened it and got a virus"
SUPERNOVA 😂😂😂😂😂
which new links do you mean?
I love that the secondary rings are 90 degrees out of phase with the initial ring. Well done!
BROOOO i remember seeing this in the early 2000s when it got reposted on Ebaumsworld, I'm stoked you finally filmed this properly
I like that the background music’s name is “Rings In Rings In Rings”. Perfect attention to detail.
I like how when they finally get it, they're just like "look at that man, wow" when they've been trying for a couple of years
One of the most satisfiying thing I've ever seen, Thank you guys :)
This video is such a beauty, not the first time watching it
Man. I am basically researching this in superfluids (numerically). It's super cool (both literally and physically).
Let me know if you want to make a video on something like that. I would love to work with you on it!
LeiosOS please, like this comment.
Supercool, no pun intended?
Technically "ultracold," but yeah.
If you manage to accomplish this with LHII, you deserve a Nobel prize in both Chemistry and Physics. Might as well find a use for it in clean energy and medicine while you are at it and secure the Economics, Physiology and Peace Prize as well.
needs more upvotes!
it's redundancy to say that you are intelligent, but the respect you have with non-English speakers is very good. the option of subtitles in several languages is to be congratulated 👏🏾👏🏾👏🏾👏🏾👏🏾🇧🇷🇧🇷🇧🇷😁😁
You are so right . It's all about persistence...my vortex was making pulled noodles and after months / years of practice it finally worked out. Cheers, Michael
Shows image in Thumbnail... starts video with image! 1 million upvotes for this!
Destin: "I don't know how to describe this". -Proceeds to describe it in great detail
I wrote a paper on a machine that I made. I worked on it for 3 months, nothing came out of it, but I learned how to love what you work on, and that love makes it so that you can keep pushing on.
Wow , so much more to learnt about fluid dynamics. Thank you for sharing.
RIP the poor editor on this project, lol :) YEARS of footage chopped down to a succinct 8 min
Thank you 😫
(somewhere in the realm of 20 hours of raw footage, much of it multicam)
AuthenTech - Ben Schmanke he has a 12 hour video showing the process
It took them 4 years to reproduce results of Lim and Nickels reported 26 years ago! Indeed it’s difficult to publish something on Nature...
Thats how science works. Its a constant stream of improvements.
its great to see that all the dedication i lack at least went to someone who uses it well
I just love it, I think it's amazing approach. Would like to see more and more from you
"Oh, we asked astronaut Don Pettit..." FFS, only Destin can so nonchalantly name-drop one of the great astronauts "...he just happened to be around..." :-D
Anonymous Freak isn't he the guy that said we have never been through the van Allan belt, and we no longer have the technology to go back to the moon,
Um.... No. He said that we "lost the technology" to go to the moon. Not that we haven't been through the Van Allen belts. And he was being largely hyperbolic about the "lost the technology" - not that we COULDN'T get back to the moon, just that we stopped making the stuff needed.
And both "quotes" aren't actual quotes by Pettit or another NASA engineer, but science-doubters misquoting/misinterpreting them.
Anonymous Freak I've heard him say it, your a liar sir, do you work for fake nasa? You gotta be pretty thick to think that nasa stopped making the technology that sent them to the moon and made "history"
Why would NASA keep making now-obsolete technology? The F-1 engine (the engine of the Saturn V) hasn't been made since the mid '60s. The AGC (Apollo Guidance Computer), in addition to being ridiculously out of date, hasn't been made since the early '70s.
Yes, we *COULD* build technology to go to the moon again - such as SLS or BFR, but it isn't available *NOW*. After Apollo 17, there was zero reason to keep making "moon technology."
Anonymous Freak ok it's not moon technology its space technology, and don't tell me they wouldn't keep updating their technology?? The gasoline engine was built over 100 yrs ago but they keep updating the technology don't they. Plane technology is kept updated all technology is updated, but not moon technology???
*accidentally makes a black hole*
IllisMoreo 87 There the particle accelerator made by SERN. Theoritacally its supposed to make an artificial black hole but they never activated the device they made.
IllisMoreo 87 it's a joke bud
Omfg. It was just a joke
Dreamer King , gravity is a made up term gravity doesn't exist.
Wooooshh