Someone I know has just been given a musical saw as a Christmas present. A few years back, a colleague mentioned that musical saws are scientifically really interesting. So I’ve spent a little time this morning reading scientific papers with exciting titles such as “Vibration of an Elastic Strip with Varying Curvature” [1]. [youtube=http://www.youtube.com/watch?v=Kmft674XPC0&hl=en_GB&fs=1&] As…