The invention that saved a million ships
In the 1820s, Augustin Fresnel invented a new kind of lens and installed it in France’s Cordouan lighthouse. Suddenly, one lamp could light the way for sailors many miles out to sea.
Continue ReadingIn the 1820s, Augustin Fresnel invented a new kind of lens and installed it in France’s Cordouan lighthouse. Suddenly, one lamp could light the way for sailors many miles out to sea.
Continue Reading
Join the Discussion