The Secret of Synchronization

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23 dagar sedan

How does order spontaneously arise out of chaos? This video is sponsored by Kiwico - go to for 50% off your first month of any crate.
An enormous thanks to Prof. Steven Strogatz - this video would not have been possible without him. Much of the script-writing was inspired and informed by his wonderful book Sync, and his 2004 TED talk. He is a giant in this field, and has literally written the book on chaos, complexity, and synchronization. It was hard to find a paper in this field that Steven (or one of his students) didn't contribute to. His Podcast "The Joy of X" is wonderful - please listen and subscribe wherever you get your podcasts
Nicky Case's Amazing Firefly Interactive -
Great Kuramoto Model Interactive -
Strogatz, S. H. (2012). Sync: How order emerges from chaos in the universe, nature, and daily life. Hachette UK. -
Strogatz, S. H. (2000). From Kuramoto to Crawford: exploring the onset of synchronization in populations of coupled oscillators. Physica D: Nonlinear Phenomena, 143(1-4), 1-20. -
Goldsztein, G. H., Nadeau, A. N., & Strogatz, S. H. (2021). Synchronization of clocks and metronomes: A perturbation analysis based on multiple timescales. Chaos: An Interdisciplinary Journal of Nonlinear Science, 31(2), 023109. -
The Broughton Suspension Bridge and the Resonance Disaster -
Bennett, M., Schatz, M. F., Rockwood, H., & Wiesenfeld, K. (2002). Huygens's clocks. Proceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences, 458(2019), 563-579. -
Pantaleone, J. (2002). Synchronization of metronomes. American Journal of Physics, 70(10), 992-1000. -
Kuramoto, Y. (1975). Self-entrainment of a population of coupled non-linear oscillators. In International symposium on mathematical problems in theoretical physics (pp. 420-422). Springer, Berlin, Heidelberg. --
Great video by Minute Earth about Tidal Locking and the Moon -
Strogatz, S. H., Abrams, D. M., McRobie, A., Eckhardt, B., & Ott, E. (2005). Crowd synchrony on the Millennium Bridge. Nature, 438(7064), 43-44. -
Zhabotinsky, A. M. (2007). Belousov-zhabotinsky reaction. Scholarpedia, 2(9), 1435. -
Flavio H Fenton et al. (2008) Cardiac arrhythmia. Scholarpedia, 3(7):1665. -
Cherry, E. M., & Fenton, F. H. (2008). Visualization of spiral and scroll waves in simulated and experimental cardiac tissue. New Journal of Physics, 10(12), 125016. -
Tyson, J. J. (1994). What everyone should know about the Belousov-Zhabotinsky reaction. In Frontiers in mathematical biology (pp. 569-587). Springer, Berlin, Heidelberg. -
Winfree, A. T. (2001). The geometry of biological time (Vol. 12). Springer Science & Business Media. -
Special thanks to Patreon supporters: Mac Malkawi, Oleksii Leonov, Michael Schneider, Jim Osmun, Tyson McDowell, Ludovic Robillard, jim buckmaster, fanime96, Juan Benet, Ruslan Khroma, Robert Blum, Richard Sundvall, Lee Redden, Vincent, Lyvann Ferrusca, Alfred Wallace, Arjun Chakroborty, Joar Wandborg, Clayton Greenwell, Pindex, Michael Krugman, Cy 'kkm' K'Nelson, Sam Lutfi, Ron Neal
Written by Derek Muller and Petr Lebedev
Animation by Fabio Albertelli and Jakub Misiek
GFX and 3D animation by Jonny Hyman
Filmed by Derek Muller and Raquel Nuno
Edited by Derek Muller
Additional video supplied by Getty Images
Thumbnail by Ignat Berbeci
More footage from NASA's Scientific Visualization Studio
100 metronome video from
Intro animation by Jorge Cham
Thanks for the BZ footage from SteinbockGroup: and
Animation of waves in the heart from The Virtual Heart/ EM Cherry/ FH Fenton - and
Chemical materials and protocol provided by Mike Morris and the UCI Chemistry Outreach Program
Thanks to Alie Ward for title/thumbnail consultation
Thanks to Dr Juliette Becker and Dr James O'Donoghue for the planetary science help
Music from Jonny Hyman, Epidemic Sound "Seaweed" "Deeper Than The Ocean" "Ripple Effect"
Music also from Artlist "Children of Mystery"
Thumbnail by Ignat Berbeci

Michael Warren
Michael Warren 22 minuter sedan
God is great. What a wonderful world he gave us.
cmbbfan78 23 minuter sedan
Tend to chaos? Tend to order!
matt 2525
matt 2525 Timme sedan
I can tell you what happend with the bridge, THE BRITISH BUILT IT LMAO. Just like when the British army and Navy tried to take the states and they were beatin down by basic farmers and ended up tucking tail and sailing away. Or kinda like how they couldn't take Ireland and Scotland and all they literally had was mountain people and farmers, the Brits once again had a full army with horses, archers, swords, and actual armor. And still the Brits ended up running home. Or any point of ww1 or ww2 before the us got involved the Brits were literally getting beaten like little school girls lol. I mean come on in ww2 they were running away from the Germans so fast they made it all the way to Dunkirk. The British navy was so pathetic civilian boats had to pick up soilders cause all their navy ships were sunk by U boats. You look through British timeline and there are no real achievements for a long long long long long time. Just disappointment, and settling for things that people will give you. Like that very very tiny little island you guys are on lol. I dont trust anything designed or built there and especially not both. But hey on the bright side you guys do have fish and chips which I hate but you guys seem to like them so that's good, and with the generations of constant bombardment of heart shattering eat a bullet disappointment you have learned to put away some serious alcohol, so congratulations for that atleast
Aashish Sharma
Aashish Sharma 3 timmar sedan
"...the sort of crystallization in time is what we call synchronization". Love it!
Jones Joy Panicker
Jones Joy Panicker 3 timmar sedan
I am not a fan of Veritasium, but this video is gold.
ThankYouESM 5 timmar sedan
Looks like a way to very much amplify electrical power from a very small amount if pitched as the right time... maybe like playing paddle ball.
ThankYouESM 5 timmar sedan
I feel like this could become the non-intrusive way to reverse cancer as a vibrational frequency or from a tiny enough electrical pulsation... just like the cells each by molecular structure somewhat have their own IP address. The key might be to record such a frequency from the top 5000 healthiest people, maybe determined through their athletic performances.
CYBEN 5 timmar sedan
When your car’s signal lights synced to another...
Willy Walter
Willy Walter 6 timmar sedan
Best commercial in the end I‘ve seen so far! Your kids will get into science 🧪 😍👍🏻
Max Loh
Max Loh 6 timmar sedan
Why did 0:25 give me a sudden urge to play Skyrim I wonder if it's the exact same heartbeat sound loop as Skyrim (there are 3 beats and they are not identical), or heartbeats just sound too similar and I'm hearing things
quack420 8 timmar sedan
Hmmm... if two metronomes are perfectly opposiite in sync.. wouldn't that be an equilibrium? Also... if a 3rd metronome was added that was perfectly between sync of the other two (not sure if this would be possible maybe 2, 3 or 4 would be needed, I haven't given it enough thought and don't have the time right now I have an exam tmw) if perfectly in between the others, wouldn't it or thm stay perfectly in sync due to balance... if it's balanced I don't understand why one would choose to move independently without the same happening to the others and constantly staying out of sync.. but out of sync in such a way that they're equally spaced in timing.. ?
peter g
peter g 9 timmar sedan
there's nothing spontaneous about the metronomes on the soda cans; they act on each other. this is irresponsible at best. disgraceful.
vJacks stacks
vJacks stacks 9 timmar sedan
Professor sounds like he's rationalizing something he doesn't understand.
Mellow 10 timmar sedan
How to understand properties of the whole by understanding the properties of the parts??. I guess simulations. But simulating walking of 167 people would take incredible computers. So more simulations to try out after done with designing. Wait it means making better graphic cards which would mean having better games. Ig. Lol
Samuel Dungjen
Samuel Dungjen 11 timmar sedan
11:47 looks like spaceflight simulator
Craig Ostertag
Craig Ostertag 12 timmar sedan
Well, I’m still not sure if that explains why I’ve noticed car windshield wipers sync spontaneously.
Raja sheker pokala
Raja sheker pokala 13 timmar sedan
Does heartbeats synchronise when people are in groups?
Daniel Oliveira
Daniel Oliveira 15 timmar sedan
Great explanation!
Joe Congo
Joe Congo 16 timmar sedan
with those coloured metronomes, the middle yellow row, 6th one down isnt in sync.
Bluemeannie 16 timmar sedan
As a kid I always noticed sitting in the car that the indicator lights would just suddenly synchronise with all the other cars, now I know
gyokszi 16 timmar sedan
I'm not sure how people in other countries clap but in Hungary in theatres it is a tradition to syncronise the claps after a period of chaos. Therefore I'm not surprised that a clip from the Hungarian capital, Budapest has been found for this demonstration. The lenght of the chaotic clapping depends on how good the play was. After that period, people begin to think "OK, this play doesnt deserve a longer chaotic part, lets change to the another frequency" and began to clap on that also traditional frequency. People then consciously syncronising to people seating nearby already clapping like that. Nobody directs that but it is also not accidental, we await the syncronisation part. We work similar to those lighting bugs actually :).
Olivier Donais
Olivier Donais 17 timmar sedan
Those people walking on the bridge look exactly like a crowd walking off a cruise ship after a week at sea, people get used to the waves and walk opposite of them and the habit continues for a few minutes after getting off it's hilarious to see.
atharva singh
atharva singh 18 timmar sedan
hormiga atomica
hormiga atomica 19 timmar sedan
Rajendra Acharya
Rajendra Acharya 19 timmar sedan
why don't you do that in speed of light video
brt 1759
brt 1759 19 timmar sedan
I thought it was the matrix.🤔
dy 21 timme sedan
12:41 When the water has RGB 😳
viola0livido 23 timmar sedan
I don't understand why this happen...
saviour175 Dag sedan
Thats why Darwin is dumb
Peinture Couleur de la vie
Peinture Couleur de la vie Dag sedan
La spirale originelle
Thirdy Abella
Thirdy Abella Dag sedan
3, 2, 1, JUMP Syncronization
Weill Dag sedan
Imagine seeing your moon fighting to escape the earths gravity
Albert van Zyl
Albert van Zyl Dag sedan
love this new style of videos!!
Slumbr Tracks
Slumbr Tracks Dag sedan
What about objects that synchronize even though they aren't coupled? i.e. Peoples car blinkers synchronizing at a stop light. Or is that different since in that case it synchronizes only for a moment then goes back to being out of synch? This is probably answered in the video ill keep watching lol.
Hazy.GG Dag sedan
20:09 What a very special moment! Your facial expression and body language change completely when it registers in your mind that your firstborn child is in the midst of explaining his first experiment. That was very cool to see.
dcoog anml
dcoog anml Dag sedan
Murmuration has the same action towards the other birds when flying together, their result is breathtaking...
tyler manning
tyler manning Dag sedan
How accurate is the synchronization. Could you synchronize clocks this way to give accurate measurements at a distance from one another?
Cu Ts
Cu Ts Dag sedan
4:57 Never gonna give you up
Dyoto Orion
Dyoto Orion Dag sedan
Fascinating stuff. Cheers! :-)
Jack Kallahari
Jack Kallahari Dag sedan
The whole is more than the sum of the parts. This is classic systems theory.
Victor Lopes
Victor Lopes Dag sedan
There are tons of people, unevenly distribuited across the plantaforme, ressounding an distorded frequency.
Krzysztof Dag sedan
Thanks V. :-) ... already ordered KiwiCrate for my 6Y old all the way to Poland. BR
Can you tell me something about syncing of devices on the internet?
SuckSome Bhai
SuckSome Bhai Dag sedan
who all came here from flying beast's video
xzavaire1 Dag sedan
I didn’t know the latitude and longitude thing.
Aaron Bones
Aaron Bones Dag sedan
This video bridges science and philosophy
Roger Gailland
Roger Gailland Dag sedan
Is it possible for two regular wall clocks that have been put together back-to-back to get their seconds pointers synchronized?
CreeperBoomMc's Datapacks
CreeperBoomMc's Datapacks Dag sedan
So why isint earth not tidly locked with the sun?? 11:01
david siegel
david siegel Dag sedan
Dear Sir, Thank you for this both brilliant and informative information. Lived in Italy Sardinia last century and heard Cricket insects finally combining their chirping in unison. Was akin to me like the B/W audience 'clapping' bit and frequency. By-the-way, as a kid did this experiment whereby you suspend a length of string horizontal between 2 chairs (any lenght or hight ) and then tie 2 another vertical strings anyplace onto the horizontal and tie a raw potatoe on each end of the downward bit and set them rocking out of motion. 'Hey Presto' they always rock finally in unison in the end despite the lengths of and variables . Makes sense the Millenum bridge across the Thames river bit. Take care. David U.K.
Mousie Dag sedan
So it's probably not a coincidence that my heart starts beating with the same rythm as the music I'm listening to then!
Екатерина Д.
Екатерина Д. 2 dagar sedan
Regular clapping is the result of an audience having some rhythm)
Rushibmehta 2 dagar sedan
Thats why we dont understand Immune System, Economy and Consciousness very well... Great Conclusion
8K VISUAL 8D AUDIO 2 dagar sedan
Who else gain knowledge !!!
Andreas Hammarfalk
Andreas Hammarfalk 2 dagar sedan
So can you use this method to sync your clocks when measuring the speed of light, one way?
TimeDock 2 dagar sedan
Could this technique be used to synchronise two clocks to measure the round trip speed of light?
Rick Jones
Rick Jones 2 dagar sedan
3daygoaty 2 dagar sedan
What happens between two double pendulums?
Brian Cox
Brian Cox 2 dagar sedan
Synchronization as a crystallization of time... dang. 9:19
Tim Davis
Tim Davis 2 dagar sedan
Very interesting. What's that thing where you see someone yawn, and it can make you yawn, is that similar in any way?🤔😮😮😴
Jolly Goodbeard
Jolly Goodbeard 2 dagar sedan
What strange is I understand how this works but don’t understand the math in how this works..if that makes sense
Ric Powers
Ric Powers 2 dagar sedan
Awesome analogy by the professor. The pendulum are friends.
yasio bolo
yasio bolo 2 dagar sedan
I've read Steven Strogatz' "Sync" book a decade ago, and it was enthralling. Thank you for writing that, Professor!
Johann Petersen
Johann Petersen 2 dagar sedan
Conclusion God is Genius
Robby Clark
Robby Clark 2 dagar sedan civadas sound late in the day as you drive on a long country road. You can hear them become synchronized....Frogs croaking around a pond at night....Or the way you tune a guitar using harmonics..... that dynamic oscillation.......some people can hear the disonance waaaaay sooner than others.
Wertibus 2 dagar sedan
1 2 dagar sedan
So can u make a spinning circle if you put multiple on a circle thats on balls?
Major Monogram
Major Monogram 2 dagar sedan
That's by the way a perfect explanation for the attractiveness to adjust your own thinking conform to the dominant public opinion. That takes much less energie as keep your own independent mind and be continuously out of phase with that public opinion.
Saksham Kiroriwal
Saksham Kiroriwal 2 dagar sedan
As a child I did observe that randomly people in group start walking in synchronization but could never reason it. This video was amazing tbh!
dcoog anml
dcoog anml Dag sedan
Nobody: Scientists: hold my RGB water
Calebe Teles
Calebe Teles 2 dagar sedan
this video was BEAUTIFUL! Thank you a lot! It was very inspiring!
Jorge Lausell
Jorge Lausell 2 dagar sedan
I'm a synergist. I get this.
Thomas Tona
Thomas Tona 2 dagar sedan
Wait could this be an explanation for the spooky force that keeps quantum entangled particles synced
Jameezy Breezy
Jameezy Breezy 2 dagar sedan
I was thinking about NTP servers, but this is much better
1992pv 2 dagar sedan
You're this generation's scientist for kids to watch. The new Bill Nye, but not quite because you lead with different topics.
Joey Mormann
Joey Mormann 2 dagar sedan
Life itself is order out of chaos. Just because it’s a law of thermodynamics doesn’t mean it applies to galaxies forming and planets forming and life forming.
missmanimeow 2 dagar sedan
Here after watching Flying Beast vlog
Robert Moore
Robert Moore 2 dagar sedan
1:12 so what went wrong? Death eaters mate
Mayank Arora
Mayank Arora 2 dagar sedan
synched my blinkers with other cars to this.
Marathon Man
Marathon Man 2 dagar sedan
That's Tasbeeh, the subtile and hidden melody of this known universe of ours.
theBearJewel 2 dagar sedan
0:30 uh, the Word of God.
milad ghazi
milad ghazi 2 dagar sedan
7:30 On your left.
Veritas et Aequitas
Veritas et Aequitas 2 dagar sedan
"What they didn't know was half the frequency was also a problem" --- LOL no, even a freshman in gened for gender studies knows better, or should.
Mani Man-Human
Mani Man-Human 3 dagar sedan
Mythbusters did this very experiment with a bunch of metronomes.
Ethan Mari Lanete
Ethan Mari Lanete 3 dagar sedan
My head is broken ._.
Scott Adams
Scott Adams 3 dagar sedan
The discussion about the 2 clocks “synchronizing” 180 out of phase (3:00 thru 4:30) reminded me of something I witnessed a few years ago. Two of my grandsons (roughly aged 3 and 4 years old) somehow managed to wrestle two 6’ stepladders onto a trampoline. When I stumbled upon the scene they were both 1/2 way up their stepladders and bouncing on the trampoline 180 degrees out of phase (when one was highest in the air the other was lowest on the trampolines downward stretch). As dangerous as it appeared, it was at the same time fascinating. I can’t help but think that somehow they managed, without thinking about it, the same kind of synchronous movement achieved by the two pendulum clocks. I didn’t want to startle them and calmly asked them to stop. I was equally amazed when they managed to stop, climb off the ladders and make their way to the ground without falling. I was relieved and proud all at the same time. 😊🤷‍♂️ Now 17 and 18 years old, neither has any memory of it.
RC-1290 3 dagar sedan
19:30 and then the video stops. I hope you can do another video where this is the start ^_^. Though I suppose... given that it's his entire might require more than a video.
himselfe 3 dagar sedan
Stephen Stratford
Stephen Stratford 3 dagar sedan
Refreshing to see something of such quality and interest
Keen Eye
Keen Eye 3 dagar sedan
5:40 All the three metronomes are pendulums in tthemselves, connected by the White base-board.
Phoenix Hokage
Phoenix Hokage 3 dagar sedan
logically, If you can't understand the whole then perhaps you don't completely understand the parts.
Tejas 3 dagar sedan
Kuramoto Model: ON YOUR LEFT
mst 4891
mst 4891 3 dagar sedan
Here we see,that the metronome and pendulum are "females" with period
MIDHUN GS 3 dagar sedan
15:01 WTF
Sydtastic L
Sydtastic L 3 dagar sedan
Majority Rules
Cheepchipsable 3 dagar sedan
Those Kiwico kits sound great. I don't have kids buy like those kind of toys. A few years ago I gave a kit of a interlocking wood frame that made a dinosaur and it had an electric motor that gave it motion - The idea was he and his father would build the thing together. (it was age appropriate). One night dad starts t build it without him and completely messes it up - apparently he can't follow instructions. The moral is an interested parent is as much part of the equation as a cool toy.
Cosmology Hub
Cosmology Hub 3 dagar sedan
Muhamet Ukperaj
Muhamet Ukperaj 3 dagar sedan
Today's lesson kid's is, be a Leader not a Follower!
Iesach Arroz
Iesach Arroz 3 dagar sedan
Everything goes into sync except for the two cars signaling right in front of you.
Karma 3 dagar sedan
The answer is order is in fact a form of disorder.
Jim Crutchfield
Jim Crutchfield 3 dagar sedan
What's a pendalum? Who was this Hoygens guy? Why not hire narrators who know how to pronounce words?
ItsUhMe Ibraheem
ItsUhMe Ibraheem 3 dagar sedan
Loved that little bg music sync with the animation at 11:43
This is why we can't have nice things
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