Protection against direct lightning strikes has been a subject of controversy since the days of Benjamin Franklin.
In 1752, Benjamin Franklin introduced a lightning strike collection system. Subsequently, it became known as the 'Franklin System', and the more contemporary name is the lightning conductor, air terminal or lightning rod.
Shortly after its introduction, a controversy developed between those who believed in sharp pointed rods and blunt rods. Since both of these views lacked a physical foundation or statistical data at that time, the debate continued until very recently.
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