OPTIKA Todd’s Pendulum
The Todd’s Pendulum is composed of an aluminum T-shape frame which can rotate with minimal friction around a support. At the center of the pendulum there is a protractor for measuring the initial angle of rotation and at the three extremities of the frame are fixed three rods, able to rotate. It is easy to note that the evolution of the movement of the pendulum is very sensitive to initial conditions, as a result, once removed from the equilibrium position, begins to oscillate in a chaotic and unpredictable motion. It is useful to understand the importance of initial conditions in the so-called ‘deterministic chaos’.