liaison news - Institute of electrical and electronic engineers (IEEE I&M)

摘要

On March 13, a workshop on Uncertainty was held in Niagara Falls, Ontario, Canada. This workshop is the Advanced Methods for Uncertainty Estimation in Measurement or AMUEM. I presented the Keynote, "From the Absolute to Uncertainty." In the paper I trace the changes from 1948, the change from the International Units to the "Absolute" Units, to the present and the many changes now underway. The resistance value changed in 1948 by 495 parts per million.