A 'math metal' song about the golden ratio (aka Phi). More links & stuff in full description below ↓↓↓ See more about the making of the song and maths behind it at: https://www.youtube.com/watch?v=mqK63v2Jzks This was a collaboration with the excellent Dave Brown - his channel is: null (check it out!!!) Also featuring Professor Phil Moriarty from the University of Nottingham's School of Physics. Phil's blog about the details of this song is at: http://periodicvideos.blogspot.co.uk/2012/07/metallizing-phi-by-phil-moriarty.html Dave has made the tracks available for download at: Original: http://soundcloud.com/boyinabanddotcom/boyinaband-ft-dr-philip Instrumental: http://soundcloud.com/boyinabanddotcom/boyinaband-ft-dr-philip-1 NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Subscribe: http://bit.ly/Numberphile_Sub Videos by Brady Haran Patreon: http://www.patreon.com/numberphile Brady's videos subreddit: http://www.reddit.com/r/BradyHaran/ Brady's latest videos across all channels: http://www.bradyharanblog.com/ Sign up for (occasional) emails: http://eepurl.com/YdjL9 Numberphile T-Shirts: null Other merchandise: https://store.dftba.com/collections/numberphile