Scanning vs. CMM: A Short Comparison of Technologies
For more than 50 years, the benchmark for accuracy in measuring solid objects, whether machined, molded, die cast, welded, or forged, was the coordinate measuring machine (CMM).
How Metrology Bolsters 21st-Century Manufacturing
Every so often an event, invention, or idea is so momentous it changes the face of entire industries. In some ways, the global response to Covid-19 has been such an event.
Neutron Radiography Expands Possibilities for Nondestructive Testing
During the late 19th century, Wilhelm Röntgen discovered X-rays and soon after discovered their properties for medical and industrial imaging when he created a radiograph of his wife’s hand.
Expanded Tables for the Analysis of Mean Moving Ranges
In May 2019, James Beagle and I published an article that contained tables for the analysis of mean moving ranges or ANOMmR (pronounced a-nom-m-r). By request of those using this technique, I have expanded these tables. This article contains these expanded tables and
My Stay-at-Home Lab Shows How Face Coverings Can Slow the Spread of Disease
As a fluid dynamicist and mechanical engineer at the National Institute of Standards and Technology (NIST), I’ve devoted much of my career to helping others see things that are often difficult to detect.
NIST Researchers Boost Microwave Signal Stability a Hundredfold
Researchers at the National Institute of Standards and Technology (NIST) have used state-of-the-art atomic clocks, advanced light detectors, and a measurement tool called a frequency comb to boost the stability of microwave signals a hundredfold.
What’s the Difference Between Laser Radar and LIDAR Technology?
Confusion between the two terms “RADAR” and “LIDAR” is understandable. Their names are nearly synonymous, and the terms are often used interchangeably.
The Problem With Fake N95 Masks
It’s easy to assume that something as simple as a mask wouldn’t pose much of a risk. Essentially, it’s just a covering that goes over your nose and mouth.
Helping Laser Scanners Measure Up
Scientists at the National Institute of Standards and Technology (NIST) have devised a novel, accurate, easy-to-operate, time- and labor-saving way to provide calibrated scale-bar standards for testing the performance of terrestrial laser scanner (TLS) systems.
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