Bake the sweet potatoes. Place the sweet potatoes directly on the rack in your oven, or on a baking sheet if you prefer. Bake for about 45 minutes, or until they feel soft inside when you poke them with a fork. Remove them from the oven and allow them to cool.
In fact, it was Volta's famous disagreement with Galvani's theory of animal electricity that led Volta, in 1800, to build the voltaic pile to prove that electricity did not come from the animal tissue but was generated by the contact of different metals in a moist environment.ost historians attribute the invention of the battery to Alessandro Volta since his voltaic pile was the first battery that produced a reliable, steady current of electricity. Volta s invention was to give rise to electrochemistry, electromagnetism and the modern applications of electricity.
A year after Volta first introduced his voltaic pile he presented his invention to the French National Institute, in which Napoleon Bonaparte was in attendance. In honor of Volta's invention, his name is used as the unit of electromotive measurement known as a volt.hat is, not until the Italian physicist Alessandro Volta came along. In 1800, Volta created the first modern day battery when he built what came to be known as his voltaic pile. The pile was made of up of zinc and copper plates with vinegar-or brine-dampened pieces of leather or pasteboard placed in between each plate.