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December 14, 2023 5 mins

On December 12th, 2023, Day 19 of Season 99 of LearnedLeague, we learned of an invention that was first created by French physicist Jean-Augustin Fresnel for use in a specific type of building.

I Later Learned more about the enduring history of lighthouses, the buildings that housed the Fresnel lenses debatably saved a million ships, and, while growing less nautically necessary, continue to endure as metaphors.

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