Benjamin Franklin was a great scientist.He accidently
invented electicity.Actually he invented
lightening rod which protect
buildings from
lightening effect.he was keen to understand what actually lightening is.One way to understand was to pass lightening through metal rod.He decided to use metal key and looked around the way so that lightening could pass from key.He chose kite for this purpose. In june of 1752,the kite flight experiment,proved lightening is stream of electrified air known today as plasma.His this invention made todays terminoligy of electrical technology like battery,conductor, positive ,minus,electric shock.He
invented Franklin Stove,lightenint bells and odometer.He knew that electricity is very useful for mankind but knew also that it can be dangerous alos,so he suggested people to protect their building from lightening