Which Way Will the Water Go? (ft. Steve Mould)- Smarter Every Day 226

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  • Published on Oct 13, 2019
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    Steve Mould's Channel:
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  • Science & TechnologyScience & Technology

Comments • 4 169

  • Tom Edwards
    Tom Edwards Month ago +4990

    Steve is a really smart guy if you ignore the British accent"
    **angry tea clink noises**

    • Sam Speed
      Sam Speed 5 days ago

      I wonder what Destin would think about the accents from somewhere like Liverpool or Cornwall. They're not your typical British accents.

    • David Taylor
      David Taylor 9 days ago

      @Stephen Benner The odd thing is the Alabama accent doesn't sound dumber when you weren't raised to perceive that.

    • Chris Rivas
      Chris Rivas 13 days ago

      @Tom Edwards was it an alcoholic rage ? Lmao

    • astroflush 10
      astroflush 10 15 days ago +1

      I spilled my earl grey tea all over me crisps and crumpets

  • Derek Eckenroth
    Derek Eckenroth 19 hours ago

    Do things change when you are on the other side of the equator? Like the fact that when you flush a toilet it rotates differently depending on what side of the equator you're on?

  • Ben Malu
    Ben Malu 21 hour ago

    This answers my question to when I noticed the same thing, when I was turning the shower head...in the shower.

  • DarkVitamins
    DarkVitamins 2 days ago

    Definitively some miscommunication going on :P

  • mario pena
    mario pena 2 days ago

    Using electric power in the same as water🤔.. from San Antonio texas..

  • Tomas Sarabia
    Tomas Sarabia 2 days ago

    When I read something that makes me uncomfortable or is something I disagree with I tend to skim past it.
    I've learned to catch that skimming and go back to understand what it is that I disliked, often I find a new perspective or or a truth id rather not listen to.

  • REALITYobservationalist

    Really cool experiment and great life lesson... Don't just hear people, but focus on listening when you communicate. So simple, yet we are all guilty of "tuning people out". Thanks guys!

  • sanjarcode
    sanjarcode 3 days ago

    I think this pretty intuitive, just the triangle law of vector addition and basic inertia. Force after leaving the jet = 0(except for gravity).
    It looks trailing coz, the component of velocity (of the end of the pipe) is always greater than the component of the water drop in the same direction(cos theta). It is basically a horizontal projectile.

  • Cruz Torres
    Cruz Torres 3 days ago

    I guess that what you didn't account for was gravity

  • ObeyRoastMan
    ObeyRoastMan 3 days ago

    Smarter Every Day but you didn't even start out with a pen and paper? This is caveman style of problem solving

  • Maggie Mothe
    Maggie Mothe 3 days ago

    Its not easy to admit when you're wrong, I imagine even more difficult on a public RU-clip video. Sometimes the lessons we learn about our selves can be even more valuable than the ones we learn about our universe. I'm proud of you for admitting your faults, it will help you learn from them

  • C Puzz
    C Puzz 3 days ago

    Fear of being wrong is an emotional pain that causes the human brain to ignore information that is causing the pain. You experienced it with water. Next experience it day trading thousands of your own dollars if you really want to understand this part of your mind.

  • Aaron Prack
    Aaron Prack 4 days ago

    Was So delighted by Steve's sprinkler completely breaking my expectations that I found myself laughing the whole time it spun. If this is the feeling you are hoping to instill in your viewers, you guys have succeeded with this one outstandingly. I hope everyone can experience this joy in learning. Thanks!
    Edit: just finished the vid and even more enthused by your closing words about adversarial response to the models we endorse, and checking yourself.

  • Mr Putman
    Mr Putman 4 days ago

    fire a bullet from a train.... see where it goes. I think the KID did this to make him a better marksman

  • Hunter Browning
    Hunter Browning 5 days ago

    I love this dude. The laser in water while in the kayak had me laughing. Even woke my roommate up cause I relate to him and his personality. Love all his videos!. Keep it up bro!

  • bull clay
    bull clay 5 days ago

    I like how there's probably like 12k of cameras and equitment and there clanging water everywhere

  • Kevin Jones
    Kevin Jones 5 days ago

    I greatly appreciate the humility you showed in your comments at the end of the video. We can all learn from your videos and your leadership. Keep up the great work!

  • Shen Saw
    Shen Saw 6 days ago

    Am smart x)

    • Shen Saw
      Shen Saw 6 days ago

      You only need to have a correct logic

  • Обними славян

    Can you do an experiment on hitting golf balls with baseball bats?

  • haltorne.mp4
    haltorne.mp4 6 days ago +1

    I know I'm late but this is so funny to watch you and Steve basically debating the Coriolis effect from a fixed frame vs rotational/translational frame 😂

    • haltorne.mp4
      haltorne.mp4 4 days ago

      @Matthew Bowles that's where the point about frame matters. If you set a fixed frame then yes the droplet stops rotating, if you have a rotating frame then no, the droplet continues to rotate but it "lags". That's literally the argument they are having 😂

    • Matthew Bowles
      Matthew Bowles 6 days ago

      @haltorne.mp4 But the droplet is not affected by the sprinkler system so it's not technically rotating anymore (not with respect to the sprinkler)

    • haltorne.mp4
      haltorne.mp4 6 days ago

      @Matthew Bowles what does it not have to do with this.. the Coriolis effect is simply the displacement of the Coriolis acceleration, which is acceleration due to a projectile and a rotating body... The water is the projectile and the rotating body is the sprinkler system...

    • Matthew Bowles
      Matthew Bowles 6 days ago

      Explain how the coriolis effect has anything to do with this?

  • 7177
    7177 7 days ago

    you both are great!
    btw. there's a section in Feinmans autobiography about trying a similar lab experiment. It was about the same kinda lawn sprinkler sucking in water put under and the direction it'd go afair. (:

  • Pavan jalla
    Pavan jalla 7 days ago

    Two high needy guys playing like 6 year old

  • Shawn Reneau
    Shawn Reneau 7 days ago

    That's the coriolis effect. It's taught in mechanical physics.

  • Xinwei Sher
    Xinwei Sher 7 days ago

    You are wrong.

  • Dene. F.
    Dene. F. 7 days ago

    He's English.

  • Wayne Sligar
    Wayne Sligar 8 days ago +1

    I have found over the years that lessening to 2 or more people that if you combine the thoughts together you might come up with a better solution because most everything can have multiple ways to get things done

  • Daryl Loth
    Daryl Loth 8 days ago

    This is an interesting empirical observation of a physical phenomenon. The physics behind it are more complicated and the explanation in this video is not adecuate. Both these guys are intelligent but it would require someone with a stronger background in physics to explain it properly.

  • Chris Choi
    Chris Choi 9 days ago

    nah, for the first one, destin is totally wrong. if it was a question on a physics exam, steve would get the point and destin would get it incorrect

  • Omar Muhamad
    Omar Muhamad 9 days ago

    so i have a turbo machinery exam and i couldn't understand the velocity triangle of the centrifugal pumps until I remembered this video and i got it once I saw it, thanks man

  • Maarku
    Maarku 9 days ago

    WARNING: This video contains no laminar flow. Watch at your own risk!

  • Andreas Kasel
    Andreas Kasel 9 days ago

    Hello SmarterEveryDay - I miss videos on the Cavendish expertiment (directly measuring gravity) on RU-clip. you too ?

  • emgee44
    emgee44 9 days ago

    What a great collaboration, came here after watching a Steve’s video.
    Your insight at the end to understanding someone’s POV was just as big a takeaway as the actual experiment. You are truly making us smarter everyday and for that thank you.

  • VoltisArt
    VoltisArt 9 days ago

    Paused before experiment started. The discussion is over the direction of the water, but that's problematic. The droplets/molecules of water do not curve outside of gravitational effects, they must travel in a straight line after exiting. The observed collected stream/jet made of those parts, however, trails behind each nozzle.
    Destin's idea that the stream or droplets will come out with forward momentum at an angle ahead of the nozzles is understandable but should only happen to a small amount of water, for a short moment, if the spinning nozzles come to a sudden stop.

    • VoltisArt
      VoltisArt 9 days ago

      Second experiment done, observations made. Had to watch twice, will probably have another go after writing this. Mind blown in the best way. While I'm not nearly as educated in physics as Destin, I too was made aware of some arrogance and being stuck in what I expected, though I wasn't discussing or arguing with another person.
      (Now that I've seen the video, I browsed a few comments and...) I share Johan Ung's appreciation for the insight Destin shared. Be it an argument with a person or just understanding of an idea, we can all benefit from pausing to absorb everything, be open to some things we hadn't considered before, and be able to learn. Great video on several fronts. Thank you, Destin and Steve.

    • VoltisArt
      VoltisArt 9 days ago

      Paused again after first experiment. Both of them right in different ways. Physics 'Tubers 2, VoltisArt 0.
      Inward jets...should each be running like the fist experiment, with that trailing tangent not reaching the central pivot. How close it comes depends on water velocity...maybe. (The more we learn, the more we realize we don't know.) I think the observed stream curve could be a little more interesting.
      Edit while I work on reaction #2: The tangent was never trailing....the stream was. Big clue to the result but so counter-intuitive!

  • Clickpn
    Clickpn 9 days ago

    if there was no velocite outwards, mind you, not by centrifugal forces(don't exist) but by the existing pressure from the water system, the effect would be the same, only with inertia.

  • Frederyk Deng
    Frederyk Deng 9 days ago

    Please correct me if I am wrong, though I naively think there is an easier way to figure out the correct answer: Consider a drop of water, after leaving the pipe, since there is almost no force in the plane of rotation, it maintains its angular momentum. Therefore, when it "flies" away from the "rotation" center, the angular speed goes down, thus "lagging" behind. When it "flies" towards the "rotation" center, the angular speed will go up, thus "running" in front.

  • lawrence kanyan
    lawrence kanyan 9 days ago +4

    The second case is a good demonstration of the Coriolis effect.

    • Ryan Scheinberg
      Ryan Scheinberg 4 days ago

      @Matthew Bowles In the reference frame of the spout, they are rotating and reducing their radii, so they have a coriolis force. The snapshot kind of represents that reference frame, so yeah just go with it sorta...

    • Matthew Bowles
      Matthew Bowles 6 days ago

      not true actually. The droplets are not rotating after they leave the spout, so why would angular momentum come into play?

  • John Thomas
    John Thomas 10 days ago +3

    Destin sneakily teaching everyone vector addition lol

  • Build&Brew
    Build&Brew 10 days ago

    this is a classic physics puzzle where there is a serious physics principal that just breaks the way a brain thinks about things experientially.

  • rocket boards
    rocket boards 10 days ago +9

    The wisdom at the end was smarter than the physics puzzle =)

  • Andrew Bettcher
    Andrew Bettcher 10 days ago

    Excellent. Thought provoking conclusion that makes a perfect lesson for the world.
    Don’t fight. Try to understand.
    Obviously, once you do understand, you might still have opposing views. At that point, I guess you have to fight.
    Peace and love. Peace and love.

  • Jose Fco García
    Jose Fco García 10 days ago

    Like because of the conclusion

  • goodshorts
    goodshorts 10 days ago

    youtuuube awesome

  • Dyllan Carignan
    Dyllan Carignan 10 days ago

    I love Smarter Every Day, and Steve's Channel. I think I encountered SED from a colab with Veritasium, and I encountered Steve from a colab with Matt Parker. I love how the RU-clip science community is so interconnected and you can see some brilliant people doing brilliant things together.

  • BlankEssence
    BlankEssence 10 days ago

    Thanks J-Roc

  • MAGA
    MAGA 10 days ago +2

    Hey DESTIN. There is a video called “spinning t handle in zero G”. Very interesting. I would love to hear you explain why spinning it in one direction cause it to intermittently spin on a different axes

  • DRMNZ
    DRMNZ 11 days ago

    Great video, thanks. The comment about listening and taking time to understand the other person's point of view was perhaps just as fascinating as what I discovered about the water. Just recently, I learnt when we have an existing belief or (unknown) existing assumption our brain finds it difficult to take in new information. Years ago I read one of Debono's books on thinking and one suggestion of his is don't believe / disbelieve in anything 100% - so it allows our mind to absorb new info. He had a wonderful diagram of a ring over a stick suspended above a "pit of ?iniquity" As you learnt more about something you could move the ring along the stick toward one end belief or the other end disbelief. 100% belief or disbelief meant the ring would come off the end of the stick and fall into the pit. If it stayed on the stick, it was much easier to absorb new info and thus be able to move backwards (or forwards) on the stick. Cheers, David.

  • Piotr Grądkowski
    Piotr Grądkowski 11 days ago

    In Phaeno Science Center in Wolfsburg, Germany, there is an exhibit demonstrating this very Phaeno-menon. However, I thought it had more to do with the Coriolis effect.

  • anil
    anil 11 days ago +1

    It'll be very interesting to see the light version of this. Revolving optical fibres that are transmitting different colours

  • Jason Hallam
    Jason Hallam 11 days ago

    hey Destin i am a big fan, have you heard of the Hilsch Vortex tube? the device that sends ambient air in and seperates it using black magic or wizardry and outputs hot and cold from either end?, just wondering if you would kindly explain why this happens as im clueless and i want to get smarter everyday :)

  • D Smith
    D Smith 11 days ago

    Two countries divided by a common language, They say

  • ryansadventuresontheinternet

    My intuition: as you move closer to the center of the circle, you traverse more of the circumference of the circle in less time, so even though water droplet is going at a constant speed, relative to the spout it looks as if it has travelled a farther distance.

  • Blaine Charlery
    Blaine Charlery 11 days ago

    I love this guy

  • TheDaviecoyle
    TheDaviecoyle 11 days ago

    More with Steve please

  • danny obrian
    danny obrian 11 days ago

    You and Steve are awesome !

  • Andreas Stjerneklar Kristensen

    the thing with disagreements is a great lesson - reminds me of this practice in programming where people often find the issue with their code simply by describing it to somebody else. this forces the programmer to zoom out and sort of change their perspective.

  • Thomas Allen
    Thomas Allen 12 days ago

    wholesome dude

  • darin moon
    darin moon 13 days ago

    Wtf happend? Its so weird!

  • Marko Rakic
    Marko Rakic 13 days ago

    I understood your perspective, and it is awesome!

  • Damon
    Damon 14 days ago

    Excellent takeaway moment at the end. I appreciate the reminder. ;)

  • Ivan4es1
    Ivan4es1 14 days ago

    This is impossible. You broke Matrix.)