Watch HDToday. What powers some of the brightest attractions at Disney's theme parks? Electricity! From lighting the half million bulbs in Magic Kingdom's Spectromagic parade to transmitting electricity through water for the Finding Nemo Submarine Voyage, Disney Imagineers show students how electricity brings some of their favorite rides to life. Students will learn the definitions of source, load, conductor, watts, as well as static electricity and its connection to lightning rods aboard the Disney Magic cruise ship.