Feedback systems: an introduction for scientists and engineers

Exercises1.1 (Eye motion) Perform the following experiment and explain your results: Holding your head still, move one of your hands left and right in front of your face, following it with your eyes.Record how quickly you can move your hand before you begin to lose track of it.Now hold your hand still and shake your head left to right, once again recording how quickly you can move before loosing track.