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.
It was a rainy day when paraplegic Riley Martin went over the edge. Bungee jumping may be one of the scariest of extreme sports. It takes nerves of steel to launch oneself off a bridge, cliff side, or other high platform with nothing but a rubber band to keep the jumper from a fairly messy death.What one really never expects to see, though, is a man in a wheelchair engage in the activityâwheelchair and all.College student Riley Martin has done just that to raise disability awareness. Riley, 21, is a business student at Okanagan College in British Columbia.riginally bungee jumping was just something Riley wanted to do, âto cross off the list,â but now he says he may be willing to do it again. âIt was a good feeling that I was still able to do it, just the same as able-bodied people,â he said.