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Chemists' constant hangs in the balance

New silicon tally may change Avogadro's number.

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  1. Becker, P. et al. Determination of the Avogadro constant via the silicon route. Metrologia, 40, 271 - 287, doi:10.1088/0026-1394/40/5/010 (2003).

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ational Physical Laboratory

atioanl Institute of Standards and Technology

ureau International des Poids et Mesures

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Chemists' constant hangs in the balance. Nature (2003).

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