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.
Shutterstock Scott Huntly set the world record in 2011 for most bungee jumps (107) in a 24 hour period at the Bloukrans Bridge in South Africa. The record was surpassed on March 21, 2014 by a man in Dubai who jumped off a 100 foot high crane 151 times in one day.