How a NIST Tool Helps Labs Worldwide Harmonize Measurements
NIST Fellow and researcher Antonio Possolo helped estimate the value of the Planck constant. The Kibble balance, pictured here, uses the numerical value of Planck constant to define the kilogram. Credit: M. King/NIST
If a traveler from Germany goes to Vietnam and falls ill, the results of their blood test there should be as meaningful as if the test were taken at home.