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Additional material for Symbols, units and constants

Physical constants updated

The book has incorporated literature input until January 2006. Thus the physical constants were based on the then latest CODATA recommendation, dating from 2002. However, a new CODATA recommendation appeared in 2006, with some significant changes with respect to the 2002 recommendation. The changes affect Table 7 (page xxv), Table 8 (page xxv), Table 9 (page xxvi) and Table 10 (page xxvii). The new constants are already incorporated in the Python module, which is available from this website (opens a new window) and of course from the NIST website (opens a new window).

A revised version of Figures 8 - 10 can be downloaded here (pdf file) [sorry: not yet available!]