![]() In today’s session of the 26th meeting of the General Conference on Weights and Measures was a vote on Draft Resolution A that elevates the definitions of the units through fundamental constants. I had the good fortune to witness today’s historic event in person. ![]() And the final chapter (“Reign of the Constants”) begins today and builds on the work of contemporary Nobel laureates like Klaus von Klitzing, Bill Phillips and Brian Josephson. Some of the main figures of chapter three (which I would call “The Rise of the Constants”) are Maxwell and Planck. Chapter one involves Laplace, Legendre and many other late-18th-century French scientists. ![]() The preface to the story entails Galileo and Kepler. This morning’s agreement is the culmination of at least 230 years of wishing and labor by some of the world’s most famous scientists. Here’s a picture of the event that I took this morning at the Palais des Congrès in Versailles (down the street from the Château):Īn important vote for the future weights and measures used in science, technology, commerce and even daily life happened here today. This morning, representatives of more than 100 countries agreed on a new definition of the base units for all weights and measures.
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