The Secret of Synchronization 

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How does order spontaneously arise out of chaos? This video is sponsored by Kiwico - go to www.kiwico.com/Veritasium50 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 www.quantamagazine.org/tag/the-joy-of-x
Nicky Case's Amazing Firefly Interactive - ncase.me/fireflies
Great Kuramoto Model Interactive - www.complexity-explorables.org/explorables/ride-my-kuramotocycle
Strogatz, S. H. (2012). Sync: How order emerges from chaos in the universe, nature, and daily life. Hachette UK. - ve42.co/Sync
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. - ve42.co/Strogatz2000
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. - ve42.co/Goldsztein
The Broughton Suspension Bridge and the Resonance Disaster - ve42.co/Broughton
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. - ve42.co/Bennett2002
Pantaleone, J. (2002). Synchronization of metronomes. American Journal of Physics, 70(10), 992-1000. - ve42.co/Pantaleone2002
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. -- ve42.co/Kuramoto1975
Great video by Minute Earth about Tidal Locking and the Moon - ve42.co/MinuteEarth
Strogatz, S. H., Abrams, D. M., McRobie, A., Eckhardt, B., & Ott, E. (2005). Crowd synchrony on the Millennium Bridge. Nature, 438(7064), 43-44. - ve42.co/Strogatz2005
Zhabotinsky, A. M. (2007). Belousov-zhabotinsky reaction. Scholarpedia, 2(9), 1435. - ve42.co/Zhabotinsky2007
Flavio H Fenton et al. (2008) Cardiac arrhythmia. Scholarpedia, 3(7):1665. - ve42.co/Cardiac
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. - ve42.co/Cherry2008
Tyson, J. J. (1994). What everyone should know about the Belousov-Zhabotinsky reaction. In Frontiers in mathematical biology (pp. 569-587). Springer, Berlin, Heidelberg. - ve42.co/Tyson1994
Winfree, A. T. (2001). The geometry of biological time (Vol. 12). Springer Science & Business Media. - ve42.co/Winfree2001
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 svdown.info/post/video/qaexppSWnoill80.html
Intro animation by Jorge Cham
Thanks for the BZ footage from SteinbockGroup: svdown.info/post/video/f3ynYtani32x09k.html and
NileRed svdown.info/post/video/gn5snLmolGVs278.html
Animation of waves in the heart from The Virtual Heart/ EM Cherry/ FH Fenton - ve42.co/Cardiac and ve42.co/Cherry2008
Chemical materials and protocol provided by Mike Morris and the UCI Chemistry Outreach Program www.chem.uci.edu/~jsnowick/outreach/UCI_Outreach/index.html
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 epidemicsound.com "Seaweed" "Deeper Than The Ocean" "Ripple Effect"
Music also from Artlist artlist.com "Children of Mystery"
Thumbnail by Ignat Berbeci

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31 mar 2021



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Kommentarer 100   
Richard Shane
Richard Shane 11 minuter sedan
nature's Natural Feedback loop seems to propagate throughout our reality created over our natural humanistic existence expressed by some who have been acute to the feedback as a religious phenomena throughout the world. Our natural pendulum of life and death is especially perceived at death of a human system while during our life time some-we are sensitive to the humanistic experience as a whole called a civilization... realized as a moral pendulum written through out written history... Peace and Love always
Boat 15 minuter sedan
If there were 70 men marching, 60 of them fell and 20 of them were injured who were the extra 10 that were injured?
Cliente Promedio
Cliente Promedio 34 minuter sedan
My god... I love this channel
Ary vanHarrick
Ary vanHarrick Timme sedan
Explanation of why the one changes motion (after 5:44)is flawed.The arrows are drawn the wrong way. The TOTAL of the two that het in sync first will balance out with the counter motion of the platform, but that don't mean that the platform doesn't move. And the move of the platform is forced by the two that are synced already. Be cause of which it dominates the one that is still doing is own thing.
Vakond Simple
Vakond Simple Timme sedan
Synchronicity is interesting and there are more syncs... cause each spectrum(world) has an own balance...as much balance,as much syncs...so the question is which balance we choose, which sync?Thatswhy parallel waves are important,we must choose our own balance then recognize the parallels and keeping the line...if we are in higher balance we learn but we get left behind or must try more times not to get left behind...if we are in lower balance we get not our results of our works...so choosing which sync is parallel is very important...and not each sync is available everywhere...even in universe there are more balances...and there are more universes... basically we must find the parallel outside what we are already exactly inside... mostly people are choosing lower or upper nivou balance than themselves...but it's a good school in upper nivous to getting some knowledge or rolling in the deep to leaving the inner suffering behind...this channel has a good nivou.
DorGreen1 2 timmar sedan
2:16 the wrong acceleration on the pendulum is driving me crazy
Comrade Everclear
Comrade Everclear 2 timmar sedan
Nature is actually shockingly orderly. It prefers it in fact. Its why we see it everywhere and why "random chance" cannot in any fathomable sense explain our very existence.
The word
The word 2 timmar sedan
And as it is appointed unto men once to die, but after this the judgment: (Heb 9:27 KJV) |>~~~~~~
anand wankhade
anand wankhade 2 timmar sedan
hey man, i was thinking....if the synchronization works atleast with a solid connection(clocks kept on same surface or something like that) , wouldn't this solve the basic issue we had while we were trying to measure speed of light!!.....since the clocks were unable to synchronize then....we couldn't measure the speed of light in one way....but using these nomes....if we first set them up and let them synchronize over time (which they will eventually)....won't then will be able to measure speed of light in both(hence different) directions! possible or not...do let me know please!
beleafer22 3 timmar sedan
Is this what happens when you are at a red light and watch the turn signal of the car in front of you sync with your turn signal?
Zbyszek Kopeć
Zbyszek Kopeć 3 timmar sedan
The Earth is flat.
Sequential Geek
Sequential Geek 3 timmar sedan
Wow, so like, when you live in a fake country that only enables people to hate on each other, and outsource jobs, and covers everything in asphalt, grueling traffic, and remote strip malls w/junk food, then you will end up w/people walking in a sick, twisted, 'entitled' destructive, hurtful cadence. **So saying "Oh well, that's your choice, then" is a bunk term, no?**
lennat24 4 timmar sedan
We just think it's disorder because we're too small to see the whole thing.
Trotrodor 4 timmar sedan
no joke, this video gave me an idea for my phd ... see you at the nobel prize
Burning It
Burning It 4 timmar sedan
"So you naturally expect universe to be "Messi" " --mybrain
jovi_al 5 timmar sedan
Remember when you were in the school lunch room and everyone happened to finish a sentence at the same time, causing a weird silence?
No One
No One 5 timmar sedan
0:30 does this solve special cases of the N-body problem?
S W 6 timmar sedan
I wonder how the metronomes would react if they were placed on a platform resting on steel balls. And then more when the metronomes are in a circle ...
Andrew Gampal
Andrew Gampal 6 timmar sedan
2:20 I really thought it was the Minecraft music at first.
Boomchucks 7 timmar sedan
1:15 good heavens! the army learned a lesson and nobody died? A Miracle!
Dodd Rougeau
Dodd Rougeau 7 timmar sedan
You all understand the immune system perfectly well how to diminish as many people as you possibly can, thus to reduce their immunity to Cancers and all types of fatal diseases within the herd of The unwanted, useless eaters
Dodd Rougeau
Dodd Rougeau 7 timmar sedan
Everyone who take civil engineering understands the World is Flat. The building of Bridges railroad tracks, and canals, confirm this.
Miguel Aguilar
Miguel Aguilar 7 timmar sedan
I noticed synchronization with turn signals with cars at a turning lane any explanation to that???
Máté Horváth
Máté Horváth 7 timmar sedan
Great video as usual! I'm from Hungary and we call that type of clapping "vastaps" seen from 9:40, in English that would be "iron clapping". Just a fun fact ;)
Scare Flare
Scare Flare 7 timmar sedan
The thing is energy distribution becomes equal
No One
No One 8 timmar sedan
15:01 Him: that's not a fart.... crap! ... 19:02 I have been sitting in my own poop to far to long now.
Morpheus848 3 timmar sedan
Was thinking the same lol
미카엘커트 8 timmar sedan
vsauce or this channel?
Herpa Derp
Herpa Derp 8 timmar sedan
We're with you all the way against Twitter bro.
Jostein T
Jostein T 8 timmar sedan
Question: do the slower ones catch up, or do the faster ones slow down? to which one do the others "fall in line" to? lets say you have 1=2bpm, 2=4bpm and 3=6bpm, which one would they sync up to?
Qam001 9 timmar sedan
Simple answer, God
KK B 9 timmar sedan
Not sure how true it is, but my friend once mentioned periods among group of girls tend to synchronize over time.
KK B 9 timmar sedan
Great Video Derek.
Jesse Gilbride
Jesse Gilbride 9 timmar sedan
People clapping probably doesn't count. Too much opportunity for minds to get involved. If their hearing weren't a factor, then a better argument could be made. Anyway, good video.
ToolforOffice 10 timmar sedan
The firefly phenomenon reminds me of how people sync their breathing with other people
Masid 10 timmar sedan
2:01 they just want to cross from other side of the bridge
Thai Binh
Thai Binh 12 timmar sedan
I and my ex talked about this. She said it's because of god's will or kind like that. I said science. Yeah, we broke up.
arshlan vh
arshlan vh 13 timmar sedan
This is science
Prasad B R
Prasad B R 13 timmar sedan
For that metronome experiment you said that it is regardless of number of metronomes. I mean that how many metronomes doesn't matter. But is it regardless of the size of platform too? I mean the relative size of metronome and platform?
Don Carmen
Don Carmen 13 timmar sedan
Don Carmen
Don Carmen 13 timmar sedan
fun with beer cans? I have a fun with 2 X 4s program. Hahaha.
Harshan Maju
Harshan Maju 14 timmar sedan
Your videos are really amaZingggg
Alex 14 timmar sedan
Damn, if you put several rocket engines together instead of big one, imagining a disaster will happen.
Nyan Cat
Nyan Cat 14 timmar sedan
Me, an Assassin's Creed enthusiast: How can it be a secret you just climb on top of a high building and press V... Then miss the haystack and fall to your death
Chester Liwosz
Chester Liwosz 14 timmar sedan
Hello Turing instabilities
NoName YesName
NoName YesName 15 timmar sedan
18:03 here's the answer
Gabriel Gray
Gabriel Gray 15 timmar sedan
The people on the bridge are simply reacting to sway so that makes them all moving sync it's no secret
BP-Brain Problem
BP-Brain Problem 17 timmar sedan
can we use the kuramoto model to calculate the one way speed of light?
1joshjosh1 17 timmar sedan
I wish I was born smarter. 😔
marbleblue 17 timmar sedan
How the heart muscle works in spirals is amazingly beautiful to me.
justdl 17 timmar sedan
Who waits to get on a long line that’s wobbly like that? And you brits call us americans crazy.
mynamewhatis 17 timmar sedan
This went from neat physics phenomena to woowoo real fast.
Saris Windsong
Saris Windsong 18 timmar sedan
We call nature disorder just because we dont understand how nature really works
Jonny D
Jonny D 18 timmar sedan
Your entire channel is at jeopardy because Bill Gates is behind creating COVID-19 virus. It is a man-made virus and for somebody to predict that only a few years before it came out is too coincidental. And now ironically he is helping support in creating a vaccine. Follow the money!
Daniel M
Daniel M 19 timmar sedan
I don’t mean to sound like a know it all but other then the advanced mathematical equations which I won’t pretend to understand but some of these interactions seem to have be pretty obvious.
Carlos E. Torres Vinueza
Carlos E. Torres Vinueza 19 timmar sedan
07:07 In class this would be the exact moment when I stop understanding what the teacher is talking about
Alfredo Toscano
Alfredo Toscano 19 timmar sedan
Acaso con las mentes de las personas no sucede lo mismo? Cuando la mayoría cree en algo terminan arrastrando al resto!!!!....como si entraran en sincronía
Ruben Moreno
Ruben Moreno 19 timmar sedan
It’s a very interesting video.
Nat Hat
Nat Hat 19 timmar sedan
Everyone who studies complex system should read about dialectal thinking, very helpful
Will C
Will C 19 timmar sedan
DrawSketchGamingYT 21 timme sedan
Bru 2160p res
MCTHISBELLEND 21 timme sedan
stinko 21 timme sedan
Noone: This guy: LonGAtoOD
Oscar BERTOLA 21 timme sedan
Y ¿Cómo se puede explicar que en las residencias estudiantiles de chicas, o en una casa donde viven varias mujeres, se suele ver que ellas sincronizan las menstuación? Aunque ellas lleguen en diferntes fechas, y con la menstruación en otro período, al poco tiempo entran en sincronía. A veces hay excepciones
Oscar BERTOLA 21 timme sedan
And how can it be explained that in student residences for girls, or in a house where several women live, it is usually seen that they synchronize their periods? Although they arrive on different dates, and with menstruation in another period, soon after they come into sync
Yasin Özkan
Yasin Özkan 22 timmar sedan
12:40 cc: not facilitatory but "oscillatory"
Fuck Fuck
Fuck Fuck 22 timmar sedan
Can synchronisation can be used on emotions ? Since empathy is the reproduction of an emotion we percieve
Mizo Mint
Mizo Mint 22 timmar sedan
What would happen if all those random particles that pop in and out of our existence all popped into our existence at the same time? Would they throw the entire universe into chaos?
arty6164 21 timme sedan
Wasn't that the Big Bang?
Louis Henn
Louis Henn 22 timmar sedan
This was a fantastic video. Really interesting content, interesing guest and excellent quality
Jordan Jackson
Jordan Jackson 22 timmar sedan
My mans really said longitude with a hard g
Ray Is Bored
Ray Is Bored 23 timmar sedan
Does that mean we’re drifting away far into space?
Dubspore Dag sedan
This is part of the secret to extremely high efficiency motors/generators.
Teddicus Boozicus
Chaos is an illusion of the scale of order. There is only order that only seems like chaos.
Marcin Skrobański
this is a frequency entropy
Ole Olson
Ole Olson Dag sedan
I've been pondering the orbital resonance of Jupiter's Galilean moons for years in my head. Now I finally understand how and why. Thanks.
Caleb Delatorre
Caleb Delatorre Dag sedan
Which one is first? And what general frequency would gather the rest?
Slavi Sha
Slavi Sha Dag sedan
To me, this was one of the best and most inspiring episodes of Veritasium. Great work, thanks!
Jake Halo
Jake Halo Dag sedan
10:59 does that mean that eventually our earth will only show one side to the sun?
Andreas Pihl
Andreas Pihl Dag sedan
Amazing video. However I feel the video missed a huge potential in relating to the final point about complex systems.
N Z Dag sedan
How can a bridge have a resonant frequency?
Electro motive spark
Put metrinoms in diffrent direcyions plz .we want to see
Daniel Severo
Daniel Severo Dag sedan
Amazing video.
Créator 64
Créator 64 Dag sedan
so you can use synchronisation to mesure the speed of light (your previous vidéo)
Ashish B
Ashish B Dag sedan
"It was only a few decades ago that scientists started fleshing out a rigorous theory of synchronization." I don't believe that because it seems too easy. Framework of proof (for pendulums on a common movable platform, but this can easily be generalized): (1) Assuming there were 1 pendulum only, express the effect of the movement of the 1 pendulum on the movement of the platform. (2) Express effect of the movement of n asynchronous pendulums on the movement of the platform. (3) Express the effect of the movement of the platform on the movement of a pendulum. (4) From 2 and 3, generate a system of equations for the cases with 1 and 2 pendulums. (5) Solve for the equilibrium in a case with 1 and 2 pendulums, with arbitrary starting values. (6) Show that the equilibrium does not change if you add 1 pendulum, regardless of the current number of pendulums. Alternate proof framework: (1) Prove that regardless of current state after one period an apparatus with 2 pendulums is closer to synchronous equilibrium by more than some fraction of the present distance to the synchronous equilibrium. (2) Prove that for an arbitrary number of pendulums by induction. (3) Prove that the sequence of distance to synchronous equilibrium indexed by period asymptotes to the 0.
Brecht Dag sedan
Yet at a concert when people use lighters or flashlights to swing left and right with there arms, nobody ever gets in sync...
Hsiao Ling
Hsiao Ling Dag sedan
Does free will really exist?
CAROME Dag sedan
si con estos ejemplos enseñaran en el colegio todo seria distinto pero no lo hacen solo hacen ver todo lo aburrido q es la fisica
Ian Dag sedan
Aristoteles says that to reach God there are 3 paths, beauty, justice and kindness ... Beauty = Harmony = Synchronization=Cosmos...
ericgelders Dag sedan
"Christian Hoidgens" - difficult
NUMBER 23 Dag sedan
Mind blowing 🧖🏻
Freezee Dag sedan
Momentum of swinging is slowing down time to time, you, dumb human! Gravity slow it down and it’s time, you dumb! Put an electric quart pendulum clock, you will see the difference.
Francesco Dag sedan
Romans were the first that brakes steps..... I Romani sono stati i primi a rompere il passo quando attraversavano i ponti.
Gabriel Lopez
Gabriel Lopez Dag sedan
Reminds me of the conquest of Jericho
Witch Sorrowful
Witch Sorrowful Dag sedan
Matthew Thornton
Jitty Thomas
Jitty Thomas Dag sedan
Synchronization is very fundamental, it's wonderful!. This is far unlike the cacophony of modern physics.
Doug Schmitz
Doug Schmitz Dag sedan
Bridge looks like Tacoma narrows galloping gertie. It collapsed
Ben L
Ben L Dag sedan
Genuinely fascinating, thank you!
Taha Yiğit
Taha Yiğit Dag sedan
this channel is my favorite element
alteans Dag sedan
Excellent subject for getting people interested in physics :) I have been doing these things in all my life, but I'm no SVdown..lol