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.
The running long jump, or commonly known as just the long jump, is a popular track and field event. Bob Beamon world record long jump at the 1968 Olympics (8.90 meters/29 feet, 2.5 inches), achieved at the altitude of Mexico City, was one of the great performances in Olympic history. His record survived until 1991 when beaten by Mike Powell.