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News and Updates

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Backscatter Body Scan Redux

Airline passengers have already said bon voyage to the controversial backscatter x-ray security scanners, pulled from U.S. airports in 2013 over concerns about

OWM Sees Progress in Proficiency Testing

Americans rely on many measurements of mass and volume in their daily lives, from weighing broccoli at the grocery store to putting gas in the family car. In

SIM Metrology School at NIST

They spanned 140 degrees of latitude – from Canada to Chile – and varied widely in age and experience. But their goal was the same: To improve their
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