Exploding pianos

Back in the 1950s there was a comedy TV sketch where a piano was set to ‘explode’ while a famous musician was playing on it - although really there was just a small firework inside the piano which wouldn’t have done more than startle the audience by giving off a few sparks. But something went wrong and the whole piano exploded for real, seriously injuring several people! Watch as a professor from the University of Nottingham tries to discover why….