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admin - June 8, 2025

The Pencil-Whipped NDT Level III: Why Thoroughness Matters

In nondestructive testing (NDT), the Level III professional carries broad technical and procedural responsibility. From developing inspection methods to reviewing...

admin - June 5, 2025

The Forgotten Bridge: How Hugo Libby Turned Theory into Multifrequency Testing Reality

When we talk about the evolution of eddy current testing, names like Dr. Friedrich Förster come to mind—pioneers who laid...

admin - June 5, 2025

The Amazing Z-Ray Machine: Don’t Be Fooled by the Flashing Lights and Slick Sales Pitch!

In the spring of 1953, hundreds of nondestructive testing (NDT) professionals gathered at the Western Metal Congress in Los Angeles,...

admin - June 2, 2025

From Analog Genius to NDT 4.0: How Dr. Förster’s Early Work Still Powers Modern Eddy Current Testing

When we talk about cutting-edge NDT 4.0 technologies—array probes, AI-assisted signal classification, and real-time automated quality control—it’s easy to overlook...

admin - June 1, 2025

Ferromagnetic Materials: Why Higher Frequencies Give Bigger Signals—But Not Always Better Results

If you’re testing carbon steel or any ferromagnetic material with eddy currents, you’ve probably heard this advice: “Use higher frequencies...

admin - May 29, 2025

Are You Flying Too High? Rethinking Legacy High-Frequency Eddy Current Procedures in Aviation

In the aviation industry, tradition can be both a strength and a blind spot. Eddy current inspection procedures passed down...

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