Alessandro Volta's theory of contact tension considered that the emf, which drives the electric current through a circuit containing a voltaic cell, occurs at the contact between the two metals. Volta did not consider the electrolyte, which was typically brine in his experiments, to be significant.
9) Ponte Colossus, Italy â 500 ft (152 m) You will find this 350 m long bridge awe-inspiring and an inspiring spot for an energetic sport like bungee jumping. It will take you an average of almost 4.5 seconds for the first fall. You need a lot of nerve power to sustain the 100 km/hr vertical velocity of the free fall.
Modern bungee jumping. Modern bungee jumping began when four British men jumped off the Golden Gate Bridge in San Francisco. In 1987 A.J.Hackett became world famous when he jumped from the Eiffel Tower in Paris. Later he set up the Kawarau Bridge in New Zealand, with a height of 47 meters, as a commercial bungee jumping area.