Contact: Chad Boutin
National Institute of Standards and Technology (NIST)
Caption: Standard Reference Material 2088 makes it possible to link CAT scans to the International System of Units for the first time. The SRM -- a collection of five blocks of polyurethane foam of different densities, shown here in front of its delivery case -- allows scans to be tied to measurement units important for diagnosing lung disease.
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Related news release: New NIST standard reference material to help calibrate hospital CAT scanners