Reddit discussion: http://redd.it/2fw130 The Professor uncovers some old footage with an amazing story. Exploding pianos created by the legendary BD Shaw as part of his expert testimony. Flour and flash pot were put in a piano with terrible results. More chemistry at http://www.periodicvideos.com/ Follow us on Facebook at http://www.facebook.com/periodicvideos And on Twitter at http://twitter.com/periodicvideos From the School of Chemistry at The University of Nottingham: http://bit.ly/NottChem Periodic Videos films are by video journalist Brady Haran: http://www.bradyharan.com/ A run-down of Brady's channels: http://bit.ly/bradychannels