Which Way Will the Water Go? (ft. Steve Mould)- Smarter Every Day 226
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Steve Mould's Channel:
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Someone made an interactive model of this!
www.desmos.com/calculator/lck...
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Warm Regards,
Destin
@TheTepeproductions 4 роки тому
Steve is a really smart guy if you ignore the British accent" **angry tea clink noises**
@FRN2013 4 роки тому
My dad, who was a very proud Englishman, would have dropped the teapot onto the crumpets
@TheTepeproductions 4 роки тому
@@FRN2013 as a proud English man, I threw my tea set in a fit of rage
@perolozac01 4 роки тому
I would think an englishman would just "humpf" it off and keep composure. :)
@TheTepeproductions 4 роки тому
@@perolozac01 not when our honor is on the line, we must stand strong and show no mercy, even if we take casualty in the Shape of crumpets and precious tea, we will continue this war until it is over and we have served the crown with due justice
@stephenbenner4353 4 роки тому
I think Destin is speaking tongue in cheek to mock himself as given the average perception in the English speaking world people think a British accent sounds smarter and an Alabama accent sounds dumber.
@tracechaffin1792 4 роки тому
The British version of saying “I disagree and you’re wrong” is “that’s interesting” 😂
@DeltaDS 4 роки тому
thats the truest thing ive ever heard
@MouseGoat 4 роки тому
well, it is interesting, when you disagree with somone who are clearly wrong 😂
@brent4adv 4 роки тому
The southern American version of this is, "Bless your heart".
@antoniog9814 4 роки тому
It's not really the British way, only the English. My Scottish wife doesn't use "that's interesting" with me.
@jamesmcginn6291 4 роки тому
@@DeltaDS That's interesting.
@knightriderultimate 4 роки тому
Destin: *is a rocket engineer* Also Destin: "Sidewards Velocity"
@shadowprince4482 4 роки тому
Well he's also from Alabama...
@AndrewFRC135 4 роки тому
If your rocket has "sidewards velocity", something has probably gone wrong.
@markoftheland3115 4 роки тому
Exactly, rocket engineers don't learn sidewards velocity, imagine rockets going that direction
@the_potatoborn 4 роки тому
@@AndrewFRC135 you don't know much about rockets, do you? If your rocket DOESN'T have tangential velocity, you're doing something wrong.
@AndrewFRC135 4 роки тому
@@the_potatoborn On the contrary; tangential velocity relative to Earth is of course needed to achieve orbit. Velocity perpendicular to the orientation of the rocket itself, however, not so much.
@nottiification 2 роки тому
"When i disagree with someone it is imperative that i stop, i listen and i don't move on until i completely understand the other persons perspective. Because its possible you'll find that you don't actually disagree" How to achieve world piece in a nutshell.
@jaimes.limasb.9913 2 роки тому
And once we've got all the pieces, we'll finally build peace lol.
@andrewsackville-west1609 2 роки тому
@@jaimes.limasb.9913 Whirled peas.
@harshsomvanshi8963 2 роки тому
No no the world in pieces is the opposite of what we're going for
@hamnchee 2 роки тому
Or, after stopping to fully understand the other person's perspective, you find that in fact you fundamentally and irreconcilably disagree, and one of you must die.
@Antanies 2 роки тому
I feel that this applies to 90% of politics.
@michaelgoddard1435 3 роки тому
9:08 starts the most important 1 minute and 10 seconds of SmarterEveryDay humanity life lesson. I share this with my students every year so they get to hear it at least 3 times and hopefully we ingrain a life skill about perspective, rational thinking, humility, and empathy. I give Dustin a standing ovation on this one!
@bobhoffer5426 3 роки тому
you said it better than I could...bravo!
@InsideInterpreting 3 роки тому
Destin
@theCodyReeder 4 роки тому
Ok now I want to know if this will do the same with lasers instead of streams of water. I assume a much greater rotation rate will be required.
@mikekevan7804 4 роки тому
Can you hire the LHC by the hour and give that a try?
@rompdude 4 роки тому
I would expect so, but I think you are right about the speed being key. I suspect a very fast rotation before you can really see a "bend". The water molecules move extremely slow in comparison to light, so it's very easy for the rotation to overcome this. Also.. Absolutely love your channels, I hope you can keep doing what you do as long as you feel you can.
@TheSpacecraftX 4 роки тому
The ol relativistic sprinkler.
@duroxkilo 4 роки тому
@Cody'sLab that was a great thought. the speed of light remains constant but the frequency would change (relativistic doppler effect).. i'm guessing that adding the two vectors as in this video (speed of light + rotation speed) would produce a perceived change in the color of the laser. depending on the observer's position i imagine it could get trippy..
@MediocreHexPeddler 4 роки тому
I think that whatever apparatus you constructed to hold the laser emitters while rotating would overcome the tensile strength of its material before you could observe a perceptible curvature of said lasers... unless you did so on an enormous scale. If you put a field of light-scattering dust around the planet and recorded the laser light interacting with that at a fraction of a light-second's distance from the emitter, it could be done. Very close to the emitter, you would notice nothing, but in low orbit, you'd notice a slight bending, and in geostationary orbit, you'd have about 120 milliseconds between the emitter and the observed scattering. You would need extraordinarily sensitive imaging equipment to observe such an effect, and the farther the laser traveled through such a cloud, the more it would scatter and the less perceptible it would become.
@MichaelD-fn5lv 4 роки тому
Destin: "I thought I was wrong, but it turns out I was mistaken."
@default632 4 роки тому
Lmao
@lelenovo6296 4 роки тому
AvE?
@willmpet 4 роки тому
A woman I knew was always right, she had a thing on her desk that said "I thought I was wrong, but I was only mistaken." I never understood it till now!
@sebastianelytron8450 4 роки тому
omg😂
@MichaelD-fn5lv 4 роки тому
@@lelenovo6296 ding ding diiinng!!! Hahaha!
@randanman 3 роки тому
I like how you both don't care about who was wrong, its about discovery and learning.
@ambreeshkhurana1115 3 роки тому
He turned an already awesome video to another level by his monologue at the end. Even I was thinking the same thing during the video that Destin is not listening to him properly. But it was cool of him to accept that in the end. Loved the video and your channel in general too.
@bdubbsmark 4 роки тому
"I just looked like an idiot." It takes strength to admit when you are wrong. I appreciate you putting it out there.
@treycoughlin8098 4 роки тому
Strength that the president doesn't have XD
@elibeaton7223 4 роки тому
Trey Coughlin yeah XD !
@this_is_japes7409 4 роки тому
not really, it's just we have a bunch of weak people being bad examples. edit: i forgot the of
@Windrider6 4 роки тому
@@treycoughlin8098 There are a lot of "presidents" in the world. The statement probably applies to almost all of them. XR
@naveenarora6467 4 роки тому
@@Windrider6 nope
@johanung 4 роки тому
“When I disagree with someone, it is imperative that I stop, I listen, and I don’t move on until I completely understand the other person’s perspective.” The experiment was awesome, but this profound insight at the end really hit home. If anyone ever asks me what it means “to have character”, I think I’ll link them this video.
@stabileseitenlage1807 4 роки тому
totaly agree
@nicholasrhine3191 4 роки тому
Right on.
@BretGregory 4 роки тому
I really appreciate this quote right now - I wish our president would too.
@Kenjiro5775 4 роки тому
Well said on both counts. About being wrong and about having character.
@Kenjiro5775 4 роки тому
@@FlightChops I'm an engineer too and it is easy to fall for the trap of thinking you are the smartest person in the room. What helped me greatly is to use honest, self deprecating humor. Such as, "I'm just a dumb enginerd, but should we try...", when speaking with technicians who often have more practical experience than I do. Also, watching people QA parts I have designed humbled me in how troublesome a careless callout selection in drawing software can be. Humility is a must for engineers. 👍
@titusdaniel 4 роки тому
Thanks for taking an interesting physics question, interpreting with humility, and turning it back on yourself in an honest and personal way. You're the best !
@H3r404 3 роки тому
Gosh, I love your channel! It's so fun to watch someone be enthusiastic about stuff! I really appreciate how you stop and address stuff like how you guys were agreeing but not. I appreciate your outlook on life and that you choose to share it with us, thanks.
@baumeisterjack9281 4 роки тому
I realy like how eventhough he didn't listen to him while performing the experiment, he took the time to reflect and admit that he was wrong.
@ezequielrenovato6608 4 роки тому
Finally, a comment about the video content and not complaining about Premier. Thank you.
@Navylonghorn10 4 роки тому
@Sandcastle • In regards to his religion, what if you were wrong and simply too committed to your own perspective to consider the possibility of an objective truth?
@Kahandran 4 роки тому
@Sandcastle • I get it, but getting mad at people for being religious is very thought-policey.
@Dashitishere22 4 роки тому
@@Navylonghorn10 yeah but when your objective truth conflicts with a bunch of other people's objective truths it's pretty clear to see there's no objective truth like religion
@jmh1189 4 роки тому
@Sandcastle • "I'm not wrong" that's a bold statement regardless of the context.
@LikeOnATree 4 роки тому
Destin, your quote at 10:00 really resonated with me: "When I disagree with someone, or at least I think I disagree with someone, it is imperative that I stop -- I listen, and I don’t move on until I completely understand the other person’s perspective. Because it’s possible, you’ll find, you don’t actually disagree." A great takeaway and a great quote for all of us! Thanks so much for being real and explaining how you felt! Yet another great video, well done!
@christianbarnay2499 4 роки тому
This is the basics of communication and it is always worth reminding from time to time. All communication comes with a whole bunch of implicit things like vocabulary, point of view, historical info, know-how, etc that are considered common knowledge and left untold for the sake of efficiency. It takes a lot of effort to second check them and make sure they are really common. So unless you have absolute certainty that the other party is a complete moron and is not worth talking to (then why are you talking to them in the first place?), you should always consider that this person is not stupid. So when what they say doesn't make sense to you, your first reaction should be to trace back their arguments and try to find out at what point their reasoning differs from yours. Then it's relatively easy to explicitly tell them so you can review what was truly agreed on and who is right or whether both views are just different wordings of the same thing.
@Rygir 4 роки тому
Seeing how often we get the basics wrong I'm happy to have a video where it's shown and handled well. I think this video is the first or at least the best example where I see someone realizing it. And on top of that he doesn't weasel out but he makes it a great lesson!
@drandana3661 4 роки тому
You're a great roll model and your genuine conversation about vulnerable scientific conversation is spot on!
@jseries101 2 роки тому
This model would make for some great water fountain art, I would love to see an artist build on this. :)
@justinteal495 4 роки тому
The fact you flew to england to play with a sprinkler in someones garden😂
@C0DEWARR10R 4 роки тому
and got paid for it...
@RickardoPandiangan 4 роки тому
In the of sains
@HelloKittyFanMan. 4 роки тому
....is... what?
@KaranChecker 4 роки тому
Anything for content which gets viewed nearly a million times ... in 4 days
@spearshaker7974 4 роки тому
True love knows no bounds.
@JohnVDenley 4 роки тому
Do you know what, I've been watching several of your videos and I'm about to start sharing them on my Facebook page as absolutely brilliant examples of fascinating psychology at work! The first that drew me in was the neuro-plasticity of the backwards bike. I have even started using this example in my own work with clients! Then I watched the "persistence of vision" video about not believing what you see!! There's so much beautiful psychology going on here! It's awesome...
@BringerOfD 3 роки тому
I'm learning long range shooting right now, and as i was going through the material this video came to mind. This is a physical demonstration of the Coriolis effect and why it always shifts to the right in the northern hemisphere and left in the southern, regardless of direction of fire!
@tomlischke2726 4 роки тому
Steve is a really smart guy if you ignore the British accent *talks in alabama*
@Lambda_Ovine 4 роки тому
sidewards.
@burekmali6704 4 роки тому
I'm starting to be worried for his daughter and son. 🙄
@bigdomino5892 4 роки тому
@@burekmali6704 Why?
@dimmy9167 4 роки тому
@@bigdomino5892 Alabama
@bigdomino5892 4 роки тому
@@dimmy9167 OH!
@beaconofwierd1883 4 роки тому
Feels like you forgot to mention why the water travels ”ahead” when spraying inwards and ”behind” when spraying outward. The answer is simple geometry, when spraying inward the ”radius” decreases so the droplets travel faster than the shaft (since they have the tangential velocity at the tip). When spraying outward the ”radius” increases and the droplets travel slower than the imaginary extension of the pipes. Sure, just saying ”look at the resultant of velocities and remember that unless acted on by a force everything travels straight” explains the phenomena, but I feel like the simple geometry aspect explains the ”optical illusion” which really isn’t an illusion, the water is really shooting out in front and lagging behind the pipes, if you were to place something there (in the same rotational reference frame) it would become wet, so not really an ”illusion”.
@lazlokovacs6876 4 роки тому
Thank you!
@georgesabikhalil186 4 роки тому
Thank you, this really helped!!
@Thomas-ez8ib 4 роки тому
I was confused about this before I read your comment. Thanks!
@TheMilosDjuric 4 роки тому
The water droplets are 'drawing' a trace which looks like it's ahead or behind the nozzle, but they're just moving at an angle that changes relative to the rotating nozzles. The terms 'ahead' and ' behind' are not relevant in this dualistic system where one part is rotating (nozzles) and the other moving linearly, it's just the trace that gives us the false impression, while our brains fail to decode the movement of each individual droplet. Our brains also fail to decode other people's views and feelings when we assume to have authority on some subject. I wouldn't say any nation in particular exhibits this feature, but progressive, intelligent and educated folks can be arrogant, even without knowing it.
@frollard 4 роки тому
This needs to be pinned. Absolutely the changing radius is the reason for 'curve' as angular momentum appears to turn into straight momentum.
@PhysioDetective 3 роки тому
Thanks for you for your humble approach Destin. And Steve’s graciousness.
@nolistark5161 3 роки тому
Love this demonstration. Each design kind of emphasizes the two different frames of references. The first design makes it easier to visualize the pipes as the frame of reference as the water “trails behind.” And the second makes it easier to visualize the particle as the reference frame as it “moves forward” after it exits the pipe.
@theflyingdutchman787 4 роки тому
This is what I love about scientists: Admitting when you’re wrong and rejoice in finding out the truth.
@vlanoik 4 роки тому
It's not about being right, it's about finding out what is right and why
@rickwhite4137 4 роки тому
Scientist _have_ to admit if they're wrong. If not, they aren't scientists. But a professor! Someone heard a professor admit he was wrong about anything?
@Gruuvin1 4 роки тому
If only governments were run by scientists and engineers instead of lawyers!
@davidhunt6306 4 роки тому
If only scientists actually acted this way. Very many do not.
@Gruuvin1 4 роки тому
@PracticalTech I agree with you. I just think it is unfortunate that government is run by lawyers who spend their lives IN government writing law to benefit themselves. Are they actually solving any problems? Most scientists and engineers are in the practical world solving real problems. We could benefit from a few more actual problem solvers rather than professional liars.
@manual1415 4 роки тому
When the two smartest kids in class have different answers.
@seanriopel3132 4 роки тому
Or better yet, when your correct answer is different from the teachers!!! Nothing feels better than showing your professor you were in fact correct.
@NemoConsequentae 4 роки тому
More like; the 2 smartest kids have the same answer, but by coming to it by different methods, or just describing the same method differently, and arguing over which approach was right. (When, in fact, both are equally valid.)
@apaajaboleh104 4 роки тому
Civil War
@aidanpratt 4 роки тому
Manuel Pilarczyk me, sitting in the back with neither of them.
@frandurrieu6477 4 роки тому
Even better the smartest ones have different but the teacher puts you wrong and you were right so you correct her and both the smartest ones get rekt
@razordu30 3 роки тому
I love love love this moment about taking the time to understand the other person. Awesome takeaway. Great moment of humility.
@jamesthomas6984 3 роки тому
I like how you each had a half of the full description. This is my favourite type of misunderstanding, where you can learn to communicate how something works from multiple viewpoints, and isolated vs general effects.
@johnthomas4790 4 роки тому
Destin sneakily teaching everyone vector addition lol
@jennifer7685 4 роки тому
John Thomas i got smarter today
@workout9594 4 роки тому
John Thomas hold up hold up you are telling me I've learned something similar to something advanced (for me atleast)
@Beef4Dinner22 3 роки тому
But then at 6 minutes, he describes the two vectors and for some reason comes to the wrong conclusion on their sum.
@shawndavis8576 3 роки тому
Hopefully also teaching us humility and problem resolution.
@iAmTheOneAndOnlyE 3 роки тому
I noticed that lol
@chrsfincher 4 роки тому
Im going to agree i was excited for a new video and then let down with a 9 hour timer
@over9000713 4 роки тому
And Premiere is like a live video, its kinda laggy
@wadurito 4 роки тому
Yep. Since channels started premiers I've turned off notifications for almost everyone..
@pyrotas 3 роки тому
This is an awesome lecture on kinematics, enveloping trajectories and - most importantly - effective killer communication skills. Chapeau to both of you.
@Dannzegos 4 роки тому
So appreciate your self-honesty and self-reflection.
@KevinVanGelder 4 роки тому
Don't use Premier feature. UKposts intentionally makes them show up in the feed like normal videos when they can't be played.
@regguy69 4 роки тому
Well... they can't be played because it's premiering in 9 hours. The premier feature is simply a way to announce to viewers that there is a video coming up soon.
@MrPronoz 4 роки тому
And usualy video gets lost in news feed and gets way less views and bunch of dislikes froj people who thought it was a niew video
@connorbaniak 4 роки тому
agreed, its a clickbait feeling.
@blist8329 4 роки тому
@@regguy69 that's what notifications are for
@Gunbudder 4 роки тому
@@regguy69 You can also announce to viewers there will be a video by releasing the video and having it actually show up in the feed. UKposts is entirely on demand. Why on earth would you ever need advance knowledge that a video will come out soon? You could watch when it comes out or watch in 30,000 years, and it makes no difference.
@DasGuntLord01 4 роки тому
"Be Nice" What a nice message! (Notices that it's written in comic sans) (Niceness dissipates)
@UpStuff 3 роки тому
Everyone on earth needs to hear and understand what you said starting at 9:08. Thank you both for the vid!
@OneKikiLove 2 роки тому
I am so happy I found you! I DO feel smarter every day. The moment you said you need to be in the moment to listen to the other person’s thoughts and opinions. You are so amazing! Thank you for being so REAL! Keep up the good work being a good human.
@Meoiswa 4 роки тому
The lesson for today: Rotating reference frames are FREAKY
@seanriopel3132 4 роки тому
As Einstein said, It's all relative.
@TheDanyschannel 4 роки тому
Coriolis acceleration! I suffered through dynamics and mechanism kinematics. Super interesting though
@pyr0static 4 роки тому
What's happening in the video makes perfect sense, I just can't manage to convince my eyes of that.
@userPrehistoricman 4 роки тому
Jeremy, what are you referring to?
@mbisson5816 4 роки тому
@@JeremyLogan Jeremy scores on a low blow. Destin opens himself up to criticism by admitting his faults, and you take the opportunity. Congratulations.
@Mariano.Bernacki 4 роки тому
Dear Destin: Premieres are a guaranteed way to lower your view count. 1) They annoy subscribers, who see you've made a video but they can't watch it. 2) It punishes people for checking their subscriptions. 3) The like/dislike ratio should be enough evidence by itself. I hope you get "Smarter Today" and never use this ridiculous feature again. Thanks from an early subscriber (been here since 10k subs or so)
@MilA-eh3gf 4 роки тому
Great analysis on the implications of the feature. Logically sound and well-put. Glad to see this among the sea of just “I don’t like it it’s annoying”. Hope Dustin sees it!
@sinom 4 роки тому
It is really good for some things. But usually only videos over 40 minutes and when the creator is present in chat. Since this video didn't meet either one of the criteria it isn't really good for premieres
@painkiller5657 4 роки тому
Didn't initially dislike but did so now for your point. 100% agree. It's ok if youtube doesn't "recommend" it like it's a normal video.
@qwertyuiop-rg4mj 4 роки тому
man i didnt even dislike because of premier, im fed up with the annoying "im american therefore i think this way" jokes
@KuraIthys 4 роки тому
I'm not super-bothered by it, but I DO have to wonder what the point of them is. I see so many youtubers doing it - it seems improbable that they're doing something with no upside whatsoever... But I can't identify what the upside might be... Even if this upside of premieres is illusory in practice, there still has to at least be the IDEA of some kind of benefit, so... What would it be, exactly?
@arliewinters2776 Рік тому
I love this...I've watched it 4 times....amazing mechanics and mental / social insight.
@gamegreg 3 роки тому
Absolutely fantastic take home message! In retrospect I often see this hard headidness in myself, but only a few time I notice it in the moment itself.
@vitorgas1 4 роки тому
"this is a language problem" - destin, trying to sound less wrong
@piemaster831 4 роки тому
I thought it was really annoying how he kept saying "as an American" and "I'm fr Alabama." Like it's science dude, it's the same no matter where your from.
@bumpsy 4 роки тому
@@piemaster831 yeah as if he thinks fundamentally different about physics just because he's american and steve isn't 😂
@jetison333 4 роки тому
@@piemaster831 hes just joking around because he said sideways instead of like tangential.
@xBris 4 роки тому
@@piemaster831 Thank you. As a fellow scientist, I got really annoyed by that. Sure, he was just joking, but injecting nationalism into a scientific topic even as a joke gets me angry. Scientists all around the world unite and don't give a flick about nations - except a subset of Americans, because 'murica. That's just sad and annoying :(
@Lardzor 4 роки тому
Well, if it's a language problem, Steve is from England, and they invented English. So I don't think it's his problem.
@nikkoj5356 4 роки тому
9:57 Stop, collaborate and listen. You've just learned the first lesson of Vanilla Ice.
@vitsalava1251 3 роки тому
underappreciated comment :D
@tactcom7 3 роки тому
Obligatory you win the Internet comment.
@Pho8os 3 роки тому
You deserve a like for phase insertion.
@markthurst9751 2 роки тому
And as an official member of the Internet Grammar Police Department, i would like to commend you on your good grammar sir.
@tactcom7 2 роки тому
@@markthurst9751 *I. Consider yourself dismissed.
@jmhm17 4 роки тому
Your explanation of being wrong was very inspiring. I will use that thought process to be more open minded when disagreeing with someone. Thank you.
@danacraig2535 2 роки тому
Hey Steve , I’m 63 yo and started watching your vids. The sprinkler episode where you failed listen is familiar to me. What sets this off in my mind is your resemblance to a man of science. Sprinklers were one lesson and learning once again that we seldom Remember to listen adequately. Listening to another view when our own treasured view differs is easy to learn. I’ve learned that lessen dozens of times . Only to be surprised I’d forgotten it again.. Dana Craig Science is my passion that I can enjoy always , knowing the story never ends . “The person who was wrong always learns the most “. DC
@davidbergmann8948 4 роки тому
I thought UKposts killed premieres a few weeks ago because they're an utter failure. An effective way to decrease your views.
@m00hk00h 4 роки тому
That was before they pushed the video up in your feed as if it was released at the premiere time. It used to be that it showed up in your feet and you couldn't watch it and then other stuff that got released pushed it down and it stayed there even after the premiere. They fixed that. That was my primary complain about premieres.
@odw32 4 роки тому
The only thing physics and politics have in common: Whether positions and movements are positive or negative, it all depends on your frame of reference.
@mariovelez578 4 роки тому
the frame of reference needs to be inertial to hold true
@spruce_goose5169 4 роки тому
@@mariovelez578 but an inertial frame can only define positive and negative values based on acceleration, not 'direction'. In the case of two political ideas diverging from each other, there is no 'true' frame of reference to define which is 'positive' and which is 'negative' (or constant). In the case of a political movement with 'acceleration' (I dunno the apt analogy for that, support growing for it maybe?) then at that point we can say one idea is steady state while the other is changing. In the case of the video experiment, the object which is accelerating is the tube apparatus (not the water). If I was (politically) water, I would be correct to say that those darned water pipe party members are always changing, I'm just going about my business! :) If I was part of the tubing party, I'd have to say, yeah the water party isn't 'accelerating backwards' but they're not keeping up with the times! (Oh the times, they are a changin')
@macleadg 4 роки тому
Orian de Wit Pfft. That’s what you think. 😜
@mariovelez578 4 роки тому
@@spruce_goose5169 politics?
@spruce_goose5169 4 роки тому
@@mariovelez578 What's your question? Orian brought up politics. You responded. I responded. Attempting to extend the analogy as far and accurately as possible. All for fun. Is really meaningless
@johngarfitt2863 3 роки тому
First Sprinkler: Once the water leaves the spout there is no Coreolis force to accelerate it tangentially that’s why it lags behind the sprinkler arms as it moves radially outward. Each particle has the same tangential velocity as it had when it left the nozzle. The drops would have to accelerate tangentially (via Coreolis force) to keep up with the arm as the drops move away from the centre of rotation. Once the drops leave the nozzles they travel in straight lines. Second sprinkler. This is the exact opposite of the first case. The flow appears to lead the arms because the water has the tangential velocity that it had when it left the nozzle. There is no Coreolis force to slow the water’s tangential velocity to match the arms. Since the tangential velocity at the nozzle is bigger than nearer the axis the water leads the arms.
@ethran 4 роки тому
Wow! I love that step back you take at the end of the video. It's super tough to even realise when we are doing that and then even tougher to admit it and work to modify our behaviour. Kudos to you sir!
@supernumex 4 роки тому
The premier feature makes me really disappointed when i click on a video :(
@thanksfernuthin 4 роки тому
Yeah. I don't think it's helpful actually.
@TBD98 4 роки тому
Why? The thumbnail says premiere at the bottom.
@thanksfernuthin 4 роки тому
@@TBD98, premiere can be a verb. It's premiering right when you see it. Maybe people will get used to it over time but for now, I and most people don't even see the word anyway.
@BigRawb666 4 роки тому
@@thanksfernuthin I hate it. I'll Also forget about the video when they come out and forget to watch it. I seen the video and was interested in watching it. It's a highly disappointing feature
@alunmo 4 роки тому
Be like me and unsubscribe.
@derangedchicken2191 4 роки тому
you really need to have one of those sprayers with a variable speed motor, hand spinning is just not enough! some one call Mark Rober please.
@TheStevenstatzer 4 роки тому
Deranged Chicken paging science UKposts, aisle 4.
@derangedchicken2191 4 роки тому
@@TheStevenstatzer yes please...
@MattCookesurl 4 роки тому
You're in Britain, better call on Colin Furze
@erikroberts9165 4 роки тому
simply punch a hole in the side of your copper pipe, just before the bend
@Superknullisch 4 роки тому
@@erikroberts9165 Good thinking!
@joespaulding9647 9 місяців тому
Your introspection is incredible and inspiring
@madmonty4761 4 роки тому
The center facing spouts were mesmerizing. It almost gives you a uneasy feeling, like this does not make sense! It would be really cool to see paint droplets coming out of it and seeing the cool patterns on grass or a wall. Thanks for the amazing videos Destin.
@StephenBroadfoot 4 роки тому
Hey Destin, video request! In the book "Surely you're joking Mr Feynman" at the end of the chapter of the same name, Feynman describes an experiment he did with spinning water pipes. In the experiment, he sets up an S shaped pipe and forces water through it and asks, which way will the pipe spin? Then asks the question, if instead, the whole thing were submerged in water, and we suck water through the S shaped pipe, which way will the pipe spin? Unfortunately, the chapter ends with him breaking some Princeton equipment and we don't get to find out which way it spins! I think this would be an awesome follow up video to make!
@AbhiroopTito 2 роки тому
I really hope one of these science youtubers pick this up. I am still intrigued to find the answer out
@nortongartino4602 2 роки тому
That's a really good cliffhanger
@rjscalise 2 роки тому
When sucking water, the sprinkler will not spin at all. This is in fact what Feynman observed, but he thought incorrectly that the problem was not enough pressure. When he applied more pressure, the tank exploded. A video would be a very good idea.
@DarthCalculus 4 роки тому
Your wisdom at the end... Was wise "Wiser Every Day"
@zubarsky 3 роки тому
Hey Destin, I am a HS Physics teacher. I am going to use this video when I teacher circular motion this year. In amy regular and AP classes. I did predict things correctly for both sprinkler but still couldnt get my brain to imagine what the moving image was going to look like. Thanks again.
@liquidkicksofficial 3 роки тому
Destin, you have become a great positive influence in my world since i began watching your videos. You bring me positivity and push me to learn more and more about physics every day. Thank you for putting so much effort into your channel and brightening my world.
@donlars1 4 роки тому
best part is from 9:00 when Destin reflects on the "SmarterEveryDay Moment", this is important. Thanks as always.
@duroxkilo 4 роки тому
it really is quite a moment. we all think about it, practice it and then for some reason abandon or omit it... it's almost like being calm and patient is unnatural :}
@CabelCabelCabel 4 роки тому
Yup really important point from Destin! I mean he basically became less american after that experience.
@HalvardSkurve 4 роки тому
8:26 is important
@stanmakrushin 4 роки тому
02:48 - “that’s the opposite of most people’s intuition” - agreed🤔
@ticijev 4 роки тому
Wow, Destin. This is such a great video. I am kind of obsessed with missunderstandings, and not listening to eachother. The novie Babel expressed this phenomenom very good... Thank you for sharing your knowledge and honesty.
@brunoterlingen2203 3 роки тому
I love your honesty about perception!
@user-vn7ce5ig1z 4 роки тому
10:04 - So basically, you're saying that you learned to _stop, collaborate, and listen_ ? 🤔
@LisaBowers 4 роки тому
Nice, nice, baby.
@surfstarcc1 4 роки тому
Hahahahah very nice!!
@damnecuadorian 4 роки тому
Like to state motto of Alabama: Anything less than the best is a felony. And Premiere is less than the best, Destin.
@seanriopel3132 4 роки тому
Touche!!!!
@TarasMazepa 4 роки тому
I hate premieres so much. It is like punishment for people checking their subscription feed.
@ShadowoftheDead 4 роки тому
Exactly
@bootoyouable 11 місяців тому
sounds like you are getting better person everyday and smarter. Love the life lesson. Sounds like my work, everyone saying the same thing in their own way and no one agreeing. Thanks
@dernolddodge 3 роки тому
Great point. I definitely need to practice that. I really enjoy watching your videos!
@goldenduck7294 4 роки тому
It's been said that no one likes the premier feature.
@znerolz 4 роки тому
It is known khaleesi.
@Vistrus 4 роки тому
At least the premier's that are hours out from release
@Basement-Science 4 роки тому
It is known.
@marc_frank 4 роки тому
chill
@GummieI 4 роки тому
And it is wrong that noone likes it, cause I actually do like it, in fact find it to be an awesome concept
@wade7959 4 роки тому
Destin: "If you think about it, it makes sense." Me: "No. No, it doesn't."
@RICDirector 4 роки тому
No, it doesn't. My brain just turned itself into a pretzel. If you move a nozzle like that, the water should 'trail behind' as each particle is ejected on its path. I don't know why I can't get PAST that....!! Frustrating!
@bowmanbk1 4 роки тому
@@RICDirector Ditto. I'm with you. The more I think about it the more my brain hurts. As much as Destin's arrows add up and make sense, my eyes still tell me somethings wrong here...
@bjh3612 4 роки тому
As someone who like physics in high school and college at first I predicted what it was going to do. but as soon as Destin said it would lag behind my brain. decided all that math stuff is wrong and to go with what feels right, the water lagging behind. this is something our brains like to do to us. we will use our preconceived model of the world, based on or daily experience, to predict things; even if a more accurate math based model exists saying it is wrong. And this is hard to overcome as our brain does not like being wrong. I am glad for videos like these, because they still show me that I haven't fully gotten over this flaw of overconfidence in my predictive skills
@martinharding 4 роки тому
@@RICDirector You are only used to the water coming out on the outside of the turn, as with the first example in this video. the second example the water is being fired in the opposite direction, into the inside of the turn and hence the opposite happens. If you only ever had your lead tilted to the left, objects would drop to your left with gravity. If you tilted your head to the right, objects would drop the "wrong way" to the right, but they would still be following the laws of gravity.
@RICDirector 4 роки тому
@@martinharding Sorry, great explanation, but my brain is still insisting that something is wrong! I hope Destin does another, more involved, video that takes it even more simply to help those of us like me....whose brains need a good stirring up! :)
@ChuckSommerville 2 роки тому
9:05, very important message about how we communicate. Thanks.
@grantforsythe1280 3 роки тому
I love how you add the relational epiphany at the end! "When I disagree with someone, or at least I think I disagree with someone, it is imperative that I stop, I listen, and I don't move on until I completely understand the other person's perspective.
@CerealScaresMe 4 роки тому
Please don't do premieres They show up normally in our subscription feed and get buried by other channels content by the time we can watch the video. This leaves us forgetting that you posted anything in the first place.
@sirsymbro 4 роки тому
basically what i said too... wow there is a lot of hate on this feature here. lol
@ronswanson5551 4 роки тому
Exactly. It just hurts the creator in the end, especially for such a long premier time like Destin posted.
@CerealScaresMe 4 роки тому
@Mycel does it work like that for everyone, or just a select few? Mine does not work like that.
@gabboaudo 4 роки тому
10:19 It doesn't fell right at all. But it makes perfect sense.
@kevinogilvie366 Рік тому
I love how you explain about different perspectives and tell people to try to listen to other people's opinions because the other person may be right.
@Vass22 3 роки тому
How did i miss this? Love both of you guys.
@samuelunderwood5286 4 роки тому
Here's a way to intuit this result: If two objects are in circular motion with the same tangential velocity, but with different radii, the one with the smaller radius will have a higher angular velocity, which means it will complete the circle in less time. Think of a helicopter blade. The end of the blade has a much higher tangential speed than the base even though both parts of the blade complete the circle in the same amount of time. If you decrease the radius, but keep tangential velocity the same, you get a greater angular speed, which explains why the water moving inwards leads, while the water moving outwards trails.
@ZoidsNut 4 роки тому
Aha! Thank you for that!
@m4r_y0 4 роки тому
Beat me to it
@balzi76 4 роки тому
@@m4r_y0 This is false as the droplets are no longer in circular motion after leaving the nozzle. What force acts on them to keep them rotating? None in my opinion.
@m4r_y0 4 роки тому
Matthew Bowles you are correct the droplets doesn’t have a circular path. But it still does apply. Meaning the distance between the droplet and the center in the second test is is getting smaller, vs in the first test is getting bigger. So relative to the nozzle end, the droplets can be ahead or behind it since the nozzle end doesn’t change its distance which is the radius
@balzi76 4 роки тому
@@m4r_y0 I think I understand what you're saying, but because the droplets don't have a circular path, the initial state does NOT have two objects in circular motion, so any effects of their relative radii and angular velocity are not applicable. right?
@DanielDuhon 4 роки тому
“Side wards” Sounds just like me 😂
@saftschinken2353 4 роки тому
Side warts xD
@swapnilbandgar8730 2 роки тому
what you said from 09:12 is the most important thing... The same this happens with me also and Im sure there are many with whom also... but the thing is pls start practicing (9:57) to avoid it..and be Smarter Every Day
@ye11oman 4 роки тому
That is a phenomenal explanation of perspective
@Yora21 4 роки тому
I would love to see it with the image rotating at the same rate as the arms, so that the perspective changes to a rotating reference frame.
@johnbarron4265 4 роки тому
Each water jet would appear to be in a fixed position in space, as long as the sprinkler head angular velocity is maintained constant.
@Shermack98 4 роки тому
@@johnbarron4265 Thats pretty much the coriolis effect if im not mistaken.... a curving force appears lineal because of a rotating frame of reference.
@mrkiky 4 роки тому
@@johnbarron4265 But the lets would still appear to be curving which would look cool.
@johngarfitt2863 3 роки тому
A photo taken from a rotating frame and a photo taken from a stationary frame would be indistinguishable. A video taken from a rotating frame would show fixed arms with the water curving behind the arm (in the first case) and ahead in the second case.
@aravindhsm1287 3 роки тому
You would see it moving away from you in a straight line.
@luigimacaraig5076 4 роки тому
"In a way the science is often a long, slow, passive-aggressive argument." -zefrank1
@syedrahman3981 2 роки тому
Great videos you have made, it reflect the love and passion for science, I am a pilot can you make documentary on jet engines from early era to the current. Cheers. Zia
@micjr21 3 роки тому
I'm not sure how many times I've watched this video, but it definitely never gets old
@ThetaReactor 4 роки тому
Phenomenon: the compulsion to Like a SmarterEveryDay video before watching it because you know it's gonna be good. We'll call it preDestination.
@LadyPatienceK 4 роки тому
Genius comment!
@RICDirector 4 роки тому
**groans and runs for shelter** AUUUGGGGHHHH!!!!!! Well played!
@nathanwaldock782 4 роки тому
Awesome!!
@jacksonpascoe789 4 роки тому
ThetaReactor pre Dustination
@Arquimedes_Aram 4 роки тому
I love your conclusion advice... 9:59 we need always to stop, listen and take the time to complete understand the others person perspective. :D AWESOME episode!! Thank you so much for this!!
@TheMrAshley2010 4 роки тому
+
@GertGybels 4 роки тому
couldn't agree more.
@puravidafpv 4 роки тому
I love when 2 great UKpostsrs get together and do an amazing video...
@weekendstuff Рік тому
Really like your conclusion @9:50 listening is always key to understanding. Need to remember that more often for myself :-). Thanks for sharing. Weekend Stuff
@banjolearner94 4 роки тому
i dont watch youtube with a schedule in mind.
@93DavidJ 4 роки тому
All videos are scheduled anyway, why not get the warning that a video is about to be released?
@93DavidJ 4 роки тому
@@CamaroZ28Nut3 So you'd rather just simply not know it's about to be released at all? That doesn't make any sense. The video is going to be released at the same time no matter what.
@93DavidJ 4 роки тому
Because whether you realize it or not, releases ARE always scheduled in advance. Destin doesn't just finish a video and slap it up whenever it happens to be done, releases are scheduled so that the most amount of people as possible see it as it goes live to help the video perform well. A premier just allows more people to be aware of WHEN it goes live. And it's been a massive success for that.
@93DavidJ 4 роки тому
@@CamaroZ28Nut3 Well, then look past it, because there are plenty of people who do like it.
@banjolearner94 4 роки тому
@@93DavidJ theres a downvote button on comments for people who disagree. quite positive the masses agree
@mozvidz 4 роки тому
This is the first, and hopefully the last I see this premier feature on your channel. Because now I won't come back to this video when ready, it's time is gone. This is a feature for socialites. Be better next time, be smarter! Edit: Okay, I'm back because I still have notifications on. That's a very humble back yard, Steve.
@noahman27 3 роки тому
Self reflection is the best. Dustin, you're awesome. Such a great teacher and role model.
@andyawaw8105 4 роки тому
I love your takeaway lesson for life, to listen better, excellent timing for the climate of disagreement in America these days.
@TheBest14184 4 роки тому
If you’re going to use this awful premiere feature, at least make it a wait of like ten mins or so, not multiple hours.
@dannass5 4 роки тому
Yes, you're using this feature wrong! But its all good
@MrE_ 4 роки тому
It's not his fault, its UKposts's fault
@Gunbudder 4 роки тому
Dude, i HATE premiers. What purpose do they actually serve? Is this broadcast TV, where it is physically impossible to broadcast more than one show at a time, thereby necessitating a schedule of shows played at specific times in series? Or is this the internet where you can digitally transfer files at upwards of 100 Gb/s to millions, if not billions of people at the same time, on demand?
@marc_frank 4 роки тому
chill
@iseewhatyoudid2944 4 роки тому
Superchats may be ?🤔
@93DavidJ 4 роки тому
All uploads are scheduled anyway, why not have it premier in a way people can enjoy it together?
@LostieTrekieTechie 4 роки тому
Then wait until after.
@AndrewMeyer 4 роки тому
This is the internet, where _both_ viewing modes possible. You can premiere videos live in a way that allows people to enjoy them together, _and_ still have the final video be available for others to watch later at their leisure in case they can't or don't want to catch it live.
@gamegreg 3 роки тому
Another way of interpreting the perceived flying in front of the nozzle is with the radius r and angular velocity w and sideways velocity vs: (w=vs/r) If the nozzle is pointed outwards the radius of rotation increases and with the same sideways velocity the angular velocity is smaller, so the water laggs behind. The same applies with the nozzle inward: the radius decreases and with the same sideways velocity the angular velocity increases and the water is in front.
@danielgreen5803 4 роки тому
Physics problems that humbles you when it goes against your "Phynstincts" is the main reason i went to study physics. Keep them coming Destin!!
@Spirit532 4 роки тому
How to make the Adobe Acrobat logo: the wet way.
@marekstanek112 4 роки тому
with burning fuel on ultra violence
@davidemusilli4047 4 роки тому
Come on man, spolers
@AlexTaradov 4 роки тому
Premieres suck. The only way I watch this video no if I remember about it, which it unlikely. The whole point of video on demand that it is on demand.
@vshazam 4 роки тому
It still sends out a notification and repositions in your Subscription feed when it goes live though? The only thing that's different is it lets you know before hand when a video will be uploaded.
@vshazam 4 роки тому
@@CamaroZ28Nut3 you don't have to rearrange your schedule though. You're free to watch it whenever you want.
@vshazam 4 роки тому
@@CamaroZ28Nut3 The reason the premier comments out number comments about the video is because everyone could comment for 8 hours before the video even went live. Sort them by new, you'll see a huge difference.
@wedusk 3 роки тому
Love Destin's videos. Truly inspiring.
@Magpyro 4 роки тому
Love the humility and self observation Destin! So many disagreements in the world are because we dont foster that.
@rocketboards4160 4 роки тому
The wisdom at the end was smarter than the physics puzzle =)
@runtrls 4 роки тому
That's a lot of what I really enjoy about Destin's videos - there's a lot of wisdom in his explanations, not all of it about the original topic. No wonder he has so many subscribers!
@thatmcgamer3106 4 роки тому
Got really excited when I saw the video. Then got really sad when it said it was a premiere
@ohgeez9971 3 роки тому
Things I didn't know I needed to know. This was so simple and so awesome!
@ZorroRBF 4 роки тому
I follow both of you and it was fun to see you guys colaborating
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