5m 6s: Lenght

This Physics demonstration of a three-way coupled pendulum, three identical pendula connected by two identical springs, has a surprising connection to the particle physics of neutrinos. Can you guess what it is? Have a crack in the comments... W: http://www.martinarcher.co.uk T: http://www.twitter.com/martinarcher F: http://www.facebook.com/drmartinarcher 00:22 The 3-way Coupled Pendulum 00:45 Simple Harmonic Oscillators, Natural Frequencies & Normal Modes 01:52 Superposition of Normal Modes & Beating Frequencies 02:37 The link to Neutrinos - Neutrino Oscillations Links for more information Simple Harmonic Oscillators http://hyperphysics.phy-astr.gsu.edu/hbase/shm2.html http://hyperphysics.phy-astr.gsu.edu/hbase/pend.html Solutions to 3-way coupled pendulum http://bit.do/3pendulum Beating http://hyperphysics.phy-astr.gsu.edu/hbase/sound/beat.html https://academo.org/demos/wave-interference-beat-frequency/ Sixty Symbols' Coupled Pendulum https://www.youtube.com/watch?v=izy4a5erom8 Harvard's Coupled Pendulum https://www.youtube.com/watch?v=yVkdfJ9PkRQ Neutrino Oscillation https://en.wikipedia.org/wiki/Neutrino_oscillation Neutrino Oscillation Nobel Prize https://www.nobelprize.org/nobel_prizes/physics/laureates/2015/advanced-physicsprize2015.pdf T2K Experiment http://t2k-experiment.org/neutrinos/oscillations-today/ Sudbury Neutrino Observatory (SNO) https://www.snolab.ca/ Super Kamiokande http://www-sk.icrr.u-tokyo.ac.jp/sk/index-e.html Thanks to Dr Jeanne Wilson (Reader in Particle Physics) and Geoff Simpson (Workshop technician) at Queen Mary University of London's School of Physics & Astronomy Image Credit (Sun & neutrinos): Honor Elliott Music by www.bensound.com -~-~~-~~~-~~-~- Why not watch "What is Doctor Strange's Dark Dimension? Gravity, Dimensions & Hierarchy Problem | Physics vs Film" https://www.youtube.com/watch?v=SgZsvUQWkX4 -~-~~-~~~-~~-~-