+ R - Center for Nanoscale Systems - Harvard University

IntroductionMetrology:The Science of Measurement(Experimental and Theoretical Data w/ Any Certainty)-Scientific, Industrial, and Legal(?-1799)d1 Meter (metre) = Million Microns = Billion Nanometers = ?Traceability:-How Certain Are You About a Measurement or EachStep of a Process?-The Ability to Identify Entities and Verify WithDocumented Records and/or Calibration DataCalibration:-Use of a Traceable Standard (NIST, BIPB,…) toDetermine a Tool’s Bias, Accuracy, and Precision“There are two possible outcomes: if the resultconfirms the hypothesis, then you've made ameasurement. If the result is contrary to thehypothesis, then you've made a discovery. “Enrico Fermi(1889-1960)1 metre = d/10,000,000Wikipedia.orgPt/Ir (1960-1983)Krypton-86Wikipedia.org(1983)Speed of Light