Fundamental constants: pillars of the edifice

  • Jean-Philippe Uzan
  • Bénédicte Leclercq
Part of the Springer Praxis Books book series (PRAXIS)


Leaving behind the foundations, our commission of experts now begins its inventory of some of the pillars underpinning the edifice of current science: the fundamental constants. In the course of our explorations, we have already encountered two constants: the acceleration due to gravity, g, and the gravitational constant, G. They appeared in modern formulations concerning falling bodies and universal gravity introduced, respectively, by Galileo and Newton. They are called constants, as opposed to the variables such as velocity, time (duration) and position, which they link. Is this their only characteristic? Do they all have equal importance, or are some more essential than others?


Gravitational Constant Fundamental Constant Atomic Clock Standard Metre German Physicist 
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Copyright information

© Praxis Publishing Ltd. 2008

Authors and Affiliations

  • Jean-Philippe Uzan
    • 1
  • Bénédicte Leclercq
    • 2
  1. 1.Institut d’Astrophysique de ParisCNRSParisFrance
  2. 2.Pour la scienceParisFrance

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