"As the salt flavors every drop in the Atlantic, so does sin affect every atom of our nature. It is so sadly there, so abundantly there, that if you cannot detect it, you are deceived."

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For the better part of my last semester at Garden City High, I constructed a physical pendulum and used it to make a "precision" measurement of gravity. The years of experience building things taught me skills that were directly applicable to the construction of the pendulum. Twenty-five years later, I was to develop a refined version of this measurement using laser-cooled atoms in an atomic fountain interferometer.

— Steven Chu