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The Controversial Physics of Curling - Smarter Every Day 111 (Patreon)

Published:
2014-03-13 15:36:42
Imported:
2026-06

Content

I hope you all enjoy this video! Thank you!

Files

The Curling Physics Controversy - Smarter Every Day 111

Patreon Support Link: http://www.patreon.com/smartereveryday Subbable Support Link: https://subbable.com/smartereveryday Tweet this Vid: http://bit.ly/1hf576c Post to FB:http://on.fb.me/1iEpfQ7 Smarter Every Day Infographics are Here: http://smartereveryday.tumblr.com/ Custom Curling Graphics and Amination Components by: Emily Weddle. http://emilyweddle.com/ Equations coded in LaTex by Will Leahy: http://www.willleahy.info/ Curling simulations by: Keith Langsdorf If you want to try curling in the Milwaukee, Wisconsin area, visit www.milwaukeecurlingclub.com to sign up.

Comments

Julien Neel (Trudbol)

You've made curling seem completely intriguing and interesting, loved it! Your conclusion about the vertical velocities is really interesting: - If the sideways velocities of the two stones are equal (and one can assume the ice below them are similar), then they'll have equal friction and should travel identical distances vertically too. So when you hit two stones, you should always end up in the vertical middle of the segment these two stones define. - When you shoot a stone, it will hit other stones, which will in turn hit other stones, etc. and the total vertical displacement of all the stones should sum to zero! So you can measure how much all the stones except one moved vertically and guess where the last stone is!

Tyler Palmer

this was so stinkin' cool! just became a patron!

smartereveryday

It is! I did all this research but I've never had an opportunity to play. Can you imagine how much much i'd like to play now?

Valandil

I love seeing Huntsville and other nearby places in your videos Destin. Alabama really can be a cool place to learn. You earned my support.

Logan

The decision of how much to support via Subbable and Patreon is a hard one! With the "bank" concept on Subbable you can theoretically get any perk eventually. With Patreon the really cool perks are only available if you sign up for a higher pledge level...not a easy decision Destin!

Fussas

I've been watching your videos for quite a while now but never got around to donating. My guilt finally got the better of me today. Sorry it's not much, but for what it's worth I absolutely love your videos and I hope you never stop putting them out. You're making the world a better place!

smartereveryday

HaHa. Well, most people would be pushed over the edge by the possibility of going to Space X.... but then again most people don't test rockets on a daily basis like you do....

smartereveryday

Thank you very much Felipe! Dude, there's nothing to feel guilty about. I do what I do for free, and I would do it if no one watched. It's just part of who I am. That's the beauty of this funding model. It's based solely on goodwill!

smartereveryday

Awesome Michael, thanks for that. I really appreciate it.

Logan

Holy crap I just saw the post about a trip to Space X (I was wondering what you were talking about)! It would be awesome to go out there and see the factory in person (landing legs?!?), plus I have some questions for their Pogo analyst...

Gary Tapp

Destin - loved the curling video, having taken this up some time back myself I am also intrigued by it. There was one thing you mentioned which I have to question however. You said sweeping can make the stone go faster? I find that confusing but can see how it would make it go a. further and b . slow down less quickly but actually go faster I am not sure about. Also there is a maximum amount of revolutions that create the most turn / curl of the stone. Throwing with no handle (no curl) can make the stone weave down the ice and is not what you want. Also too many revolutions get the stone to go much straighter and not to curl at all. People shave also tried to explain to me that the reason it curls is because the edge on one side is turning faster in the direction of the turn than the back edge which causes the curl. Anyway - enough of that. Like the post and will be looking out for similar "smarter every day" releases. Thanks

Chelsea Watson

So glad you made this video! Curling was the only Olympic winter sport we watched and we were so intrigued! Your video made it even more so! I just want to take a moment to thank you for making these videos! I don't always pick up on every little thing, but you always make things more interesting and bring things to light that I've never even thought of! As soon as the hubby gets home this evening I will discuss with him the options of supporting you! I would be very sad to lose your channel. Thanks again, Destin, to your and your family!

smartereveryday

Chelsea thanks so much for saying this! I'm glad someone can support curling as much as I do. Every time I watch it my mind was boggled about what exactly the brooms were all about, how the people are able to scoot around and avoid the other rocks etc. Only support if it's something you want to do. I still plan on making content to the best of my abilities regardless. The goal here is just to get help. Thanks again!

smartereveryday

Kinetic Energy is lost all the way down the sheet. If you are at the house a swept rock will be going faster when it reaches your position. It's my southern speech that threw that off. You are of course correct.

Chelsea Watson

Oh, I am very interested in supporting. Just look at those perks!

Tanner Meade

I had never understood the game of curling until now. Thanks Destin!

John Bryant

I'm in for $1/vid :D I love all of your videos

Josh A

So glad to see you on this site! I think your videos are great and I'm so happy to be able to directly support what you're doing.

smartereveryday

Thanks Josh, this is huge! I hope you're happy with the perks choices!

Mike Arst

(new patron) Wow. Who knew? So: two competing hypotheses. How will "they" (whoever they are) determine which hypothesis is correct? It's gotta be the coolest YouTube channel ever, b.t.w. : )

Lukas

Videos like this are exactly why I became a Patreon yesterday. It's obvious you put a lot of thought into them, and try to explain things equally well to people who understand physics, and to those that don't. As a student I don't have much to give, but I think that supporting you is worth every penny. Greetings from Germany, and thanks for your videos!

Space_Chickun

This video made me a subscriber. The choice was hard between Subbable and Patreon, but the 'fireside chat' idea is what drew me to this. Thanks for the continued education. I hope to be able to understand all the math you throw up in the videos within a few years.

smartereveryday

I can't say I completely understand it myself. I still haven't played, but I really want to!

smartereveryday

Haha, they're so entrenched in their way of thinking I'm not sure they'll ever be able to see it the other guy's way. It's really interesting to see it play out. Thanks for your support Mike. I appreciate it.

smartereveryday

Danke Lukas! I appreciate that. I hope to visit your country again VERY soon.

smartereveryday

Start with Trig. It's the most useful math I've determined. Thank you very much for subscribing and supporting. I'll keep in mind that you want the chats to be awesome! Who knows, maybe I'll bring a chicken.

Space_Chickun

I am working up to it. Have to finish MTH 112 due to my inattentiveness the first time around in college. You and the other youtube channels, along with a few games, have helped me continue my education better than most colleges.

Sunny Gulati

Destin, thanks for trying both subbable and patreon. I already sub'bed some folks (cpgrey etc), so i decided to try patreon for your stuff. I do like that I pay per video. Thanks for being willing to take risk -- being a content creator -- and I hope that the world will support you in it.

Lukas

That would be awesome. You have been to Karlsruhe before, and flew with the AKFlieg Group. I am also a glider pilot in a club in a neighbouring city, but now I live in Karlsruhe to study Electrical Engineering. I loved to see you fly in a glider!

Tanner Meade

I'm working on a synthesis paper right now, which is basically where you take two perspectives and display them in your paper. Then you take the truth from both thesis's and make a synthesis (a new thesis from both). You pretty much did that here and now I understand how to do my paper much better. Thanks Destin!

Mike Arst

Because my wife is descended from a long line of Swedes, of course for domestic harmony's sake I have to say that the Swedes are right. On the other hand, being Swedish, they won't insist upon it. If you can find someone in _Norway_ who has yet another competing theory, now _that_ might make for an interesting discussion. :) I guess I'd better stop before an international incident occurs...

smartereveryday

Thanks Sunny, I really appreciate this! I would love to know from your perspective which works best for you as a user!

smartereveryday

Awesome Tanner. I didn't know this terminology until you just explained it to me. Thanks for that.

Lukas

That would of course be pretty amazing, maybe I could even take you for a spin in a glider ;)

Scott Ferguson

So glad I got in before the 03.18 deadline. I want to win that trip to tour Space X so bad!!! I *WILL* be going to outer space one day, just waiting for that price to drop under $500k or so. :) Thank you for all you do Destin -- people like you keep my faith in humanity!

Thomas Bellingham

You just made curling so much more interesting, keep up the videos destin, I love your enthusiasm for everything!!

Chris K

It was kind of hard for me to internally justify this spend when i get NatGeo and animal planet and all that stations in a packet for 5 euros on TV. but i am glad i finally made the choice because you rock much harder than all the dudes with sticks poking at alligators together :D

Sean Walker

Science is even better when we don't know exactly what's going on. It only means that we are going to learn more in the future! Thanks for all your efforts, keep up the good work.

Andy

Hey Destin, are you doing the motion graphics in your videos yourself? If so, what are you using to do them? Are you familiar with what other YouTubers are using?

Tony Cole

Another excellent video! Thanks Destin

Eddie Moya

I never though of curling as interesting until you made this video. Made me think a lot about a bunch of similar phenomenon. You might be interested to know the same effect occurs in ping pong - I know this because I play a lot. You get curvature/lift in the direction of spin - even up and down. When I realized this, it made me look up why it happens in ping pong. Its called the Magnus Effect, and it occurs in a lots of sports - baseball, tennis, soccor, etc. Theres even boats that maneuver using the effect, they are called Rotor Ships (<a href="http://en.wikipedia.org/wiki/Rotor_ship)." rel="nofollow noopener" target="_blank">http://en.wikipedia.org/wiki/Rotor_ship).</a> I've played ping pong for years and always had an intuitive understanding of why it happens, but it wasn't until this video that I researched it. Turns out Veritasium as a short video on the subject. <a href="http://youtu.be/23f1jvGUWJs" rel="nofollow noopener" target="_blank">http://youtu.be/23f1jvGUWJs</a> I wonder if something similar could be taking place here - pressures may be generating "lift" to dictate movement rather than surface friction. Grinding down the pebbling with the sweeping maybe just lets some of the pressure escape - reducing the effect. I think you normally need higher speeds or surface areas to have this effect take place, but maybe the greater weight of the iron against the thin layer of fluid produces enough pressure to make it happen. Let me know what you think, I'm curious if it makes sense to someone like you who actually knows more about fluid dynamics.

Barry McLaughlin

Hi Destin, I never really understood the science behind the curl in the game till I saw your video, I just loved playing the game from the first time I played it and still do 30 years later. Signed up for your patronage program immediately and look forward to learning more COOL stuff. I curl in South Florida and if you ever visit this way and want to get on the ice to play this game I would be very happy to show you how much fun this game is !

Barry McLaughlin

I have been asked many times if sweeping speeds up a rock and the proper response I was told and that I give is NO, it can't increase the speed but it can reduce the rate of de-acceleration and therefore keep the rock straighter or travel further or both