In the early days of America, people placed lightning rods on the tops of their homes, shops, and barns(see photo). Supposedly, lightning strikes the tallest thing in a given area. Often, the tallest thing was a house,store,or barn. If lightning hit the lightning rod the current from the strike would travel through the rod, continue through wires that led to the ground. The strike then did no damage to the building. Did they work? Not sure about the answer to that question, but one thing is for sure..........some manufacturer made a ton of money selling them. They were found north to south and east to west.
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