Video: NIST Calibrates Tape Measures

Is your tape measure accurate? In a video posted on the National Institute of Standards and Technology (NIST) YouTube channel, you can take a look inside the NIST Tape Tunnel — the place where metrologists check the accuracy of tape measures to about 0.1 mm.



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Interview with an Expert

One of the more specialized areas of crime-scene investigation has to do with searching for evidence of arson. To get some background in this area, we spoke with an individual who has had more than 46 years in fire service, 24 of which have focused specifically on fire/arson investigation.