MIT World — special events and lectures05/08/2003 11:00 AM 10-250Gerald Sussman, Matsushita Professor of Electrical Engineering, MITDescription: A mechanical watch is an oscillator driven by energy stored in a mainspring. The oscillations are counted by a gear train and displayed on a conventional watch face. How are the oscillations sensed and how is the energy lost to friction replaced? In this lecture Professor Sussman explains this mechanism and relates it to an electrical circuit that is...