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Happy Pi Day! No, not pie day, Pi Day. That Greek character pi, π, that you’ve heard of but aren’t quite sure what the big deal is. Pi is the ratio of a circle’s circumference to its diameter. As yawn
As happens with most every metrologist I know, I fell into metrology (the science of measurement) quite by accident. My degree was in chemical engineering, and I was probing the world around me to see
Like many of you, I venture out on Saturday mornings to get groceries and gas. Until my college years, I never thought much about whether or not I paid the right amount at the pump, if the supermarket
I came to NIST in January 2015, not as a physicist, analytical chemist, or engineer, but as a biologist, a fit that surprised some of my friends from grad school. NIST … biology … whaaat? Most people
On TV crime shows, forensic evidence is collected, analyzed, the suspect positively identified, arrested, convicted, and imprisoned—all in under an hour. There are (usually) no mistakes in the