19 November 2004
Vol 306, Issue 5700

About The Cover

Cover image expansion

COVER Metrology, the science of measurement, provides the basis for the set of standard metrics by which we can make accurate measurements. A special section in this issue of Science explores advances in metrology, the development of the tools required, and the ways in which these tools may eventually affect our lives. See page 1307. [Photo: JupiterImages]