The SciencesJune 1, 1968
Standards of Measurement
The goal is to define standards of length, mass, time and temperature that are both precise and reproducible. Of the four only mass still lacks a referent in nature
Stories by Allen V. Astin
Standards of Measurement
The goal is to define standards of length, mass, time and temperature that are both precise and reproducible. Of the four only mass still lacks a referent in nature