In this article I will present the Silverlight application I was busy with recently - the Silverlight Metronome. It's a classical metronome (a measurement tool for tempo, mostly used by musicians) that is based on a pendulum with a moveable mass, which modifies its period. The project was very challenging as it needed some simple physics and a beautiful design to be implemented. In my opinion I have accomplished it or at least I have done it according to the physics; the design has always been a very subjective topic. Anyway, you can see the live demo here and download the source code here, but I'm sure that you would like from us to make a fast dissection of the application and see how it works.