Benjamin Franklin's work in the field of electricity has proven vital to both society and the sciences. In his discoveries of electricity and lightning, the scientist at once realized the awesome power and current contained in each lightning bolt. In order to protect buildings and homes, he invented a lightning rod, comprised of iron, which would be mounted at the top of the edifice. Subsequently, it would attract the lightning current and immediately channel it to the ground, thereby rendering it harmless. Scientists during Franklin's time praised the invention for its practicality and dramatic purpose.
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