Added: Jul 26, 2008
From: abahraminasab
Duration: 1:24
Synchronisation of 5 coupled metronomes done in Lancaster University, Physics Dep, Nonlinear dynamics and medical physics group.Emails related to this video can be sent to:a.bahraminasabNOSPAM at gmail dot com.Some explanation by 'shoonya' which I think is pretty good: Here you go: metronomes (or "pendula") when on table, oscillate with random phases, since that is how they started and they are "uncoupled" (no energy/information flows from one to other so they do not "know" each other.) When they are all together on the cans, notice that the cans themselves oscillate little, providing coupling/information crossover. which forces "synchronization" in periodic systems (discovered by Huygens in 17th century).A useful book: "Synchronization: A Universal Concept in Nonlinear Sciences " by Arkady Pikovsky, Michael Rosenblum and Jurgen Kurths.A scientific article: http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=AJPIAS000070000010000992000001&idtype=cvips&gifs=yesMy personal homepage:http://www.lancs.ac.uk/staff/bahramin/index.htmlReference to the original video: http://youtube.com/watch?v=RMVxVbCIPjg
Channel: Education
Tags: metronomes pendulum synchronization
Rating: 4.37 (5315 ratings) Views: 1455605' favoriteCount='4712 Comments: 4141
abahraminasab Says:
Jul 26, 2008 - I forgot to ssay that all the frequencies must be tfixed the same e.g all 186
EnigmaV8 Says:
Jul 26, 2008 - That is awesome!! (Adam Savage from Mythbusters voice:) "It's SCIENCE!!"
chickenburger49 Says:
Jul 26, 2008 - NO WAY !!!
missunderstoodmaniac Says:
Jul 26, 2008 - lol i love that song...*sings* "i can ride my bike with no handle bars, no handle bars, no handle bars..."
missunderstoodmaniac Says:
Jul 26, 2008 - that's good for you
randomae Says:
Jul 26, 2008 - so doesn't that also mean that the frequencies are not entirely acurate during this experiment? won't they have to get a little off balance to get back in balance?
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AICorp Says:
Jul 26, 2008 - no, the frequencies dont have to bee off balance to get back into balance. The frequency stays the same, the syncronization occurs because the moving board helps to put the metronomes into the same place in the frequency. Imagine it as a sine curve, they are all at different parts, but the same period. The syncronization aligns them in the curve
waitingfordoom Says:
Jul 26, 2008 - nice one... 5 stars, one for every metronome
randomae Says:
Jul 26, 2008 - hm, i hear what you're saying but i can't really grasp it lol.
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SPstudios07 Says:
Jul 26, 2008 - dude thats crazyy
bountyxneo Says:
Jul 26, 2008 - wow very interesting. makes sense
danseur2 Says:
Jul 26, 2008 - Dang this is awesome!!!!
Textynn Says:
Jul 26, 2008 - That is cool. thanks for sharing.
DiscoBiscuit06 Says:
Jul 26, 2008 - a cat is fine too
cloud20life Says:
Jul 26, 2008 - GO HUYGENS! :D
IIIlllll Says:
Jul 26, 2008 - How? O_O
FAnchax Says:
Jul 26, 2008 - metronomes pwned another problem solved in the world
abahraminasab Says:
Jul 26, 2008 - see the info
WiTWiTtwin Says:
Jul 26, 2008 - thts really cool! thatguy looks really proud of his work! lol (i would be too)
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abahraminasab Says:
Jul 26, 2008 - Well, in our case all of them are the same but it shouldn't make that much difference. keep all the frequencies at 186 or higher. Then it should easily works. The base should not be heavu and the surface must be smooth. Hope this helps.