What is a lightning rod?

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The lightning rod is now a traditional addition to most of the buildings. Its only function is to protect the building against lightning, or against its negative effects. The flash may damage the wall, roof, or even light the entire house. However, the lightning rod can capture the lightning and then take it to the ground. His first discoverer and inventor is not quite clear to this day, since it was invented independently by himself by two prominent scientists, Prokop Diviš and Benjamin Franklin, in the first half of the eighteenth century. The lightning rod has been used for more than 250 years.