Metrology

Timeless design, meticulous craftsmanship, and connection to the past: There are many reasons why classic cars are enduringly popular. Reverse engineering has brought them within reach of more people than ever before. 3D scanners and 3D modeling software make it possible to remake parts at a…

Vibration-related failures in aerospace involve satellites, launch vehicles, and aircraft components that are expensive to replace. While traditional vibration testing can overcompensate and damage parts, modal analysis performs tests on the product before physically examining its endurance.…

Building gold-standard AI systems requires gold-standard AI measurement science—the scientific study of methods used to assess AI systems’ properties and effects. The National Institute of Standards and Technology (NIST) works to improve measurements of AI performance, reliability, and security…

Ultralarge hydraulic excavators for international open-pit mining are the core specialty of Komatsu Germany GmbH—Mining Division. A subsidiary of Japan’s Komatsu Ltd., Komatsu Germany develops and manufactures six models of ultralarge hydraulic excavators in Düsseldorf in the 300–900 tonne class…

As production tolerances become ever tighter, and the error margin for measurement results constantly shrinks, temperature fluctuation is an issue that users may need to consider in their inspection process.

The background to this is a natural physical phenomenon: Most materials…

If you’ve flown in the U.S. in recent years, you’re probably familiar with the airport security experience of entering a booth, raising your hands above your head, and having a machine check your body. That machine is called a millimeter wave scanner.

I’ve done this many times and…