By Edward Korkowski - eddycurrent.com In August 1992, something quietly revolutionary happened in the world of nondestructive testing...

by Edward Korkowski - eddycurrent.com . Long before artificial intelligence took over headlines, a team of forward-thinking engineers...

By Ed Korkowski | eddycurrent.com In 1985, Robert B. Cuthbert wrote a brilliant little satire titled “Level III—The Spanner in the...

By Ed Korkowski | eddycurrent.com Most managers and engineers working in manufacturing, energy, or aerospace will interact with...

By Ed Korkowski | eddycurrent.com When most people think about eddy current testing, they imagine flaw detection, signal phase, or...

In 1976, Charles J. Hellier stood before the American Society for Nondestructive Testing (ASNT) and delivered a speech that still...

By Ed Korkowski, eddycurrent.com When most people think of nondestructive testing (NDT), they picture technicians in the field: scanning...

By Ed Korkowski, eddycurrent.com If you’ve ever worked with steel and wondered why your eddy current signals drift, vanish, or don’t...

By Ed Korkowski, eddycurrent.com Ever wonder why some eddy current signals go haywire when testing steel tubing? Or why some flaw signals...

When we talk about eddy current testing (ECT) today—automated scanners, phase-angle crack sizing, AI-enhanced signal recognition—it’s...

If you’ve spent any time in the eddy current world, you’ve probably heard the name Hugo Libby. His book, Introduction to Electromagnetic...

Eddy current testing (ECT) might seem like a one-person task—but behind every inspection is a village of professionals, each playing a...

If you've been in the eddy current testing (ECT) business long enough, you've probably heard the name Hugo Libby. Maybe you even saw his...

When you picture rope access, you might imagine window washers hanging off the side of the Empire State Building — a high-risk,...

When most people in the NDT world think of foundational figures, names like Maxwell, Faraday, and Tesla come to mind. But if you're in...

The truth is, nobody uses fg directly anymore.  But the reason we don’t need to is because Dr. Friedrich Förster figured it all out...

If you’ve ever stared at an impedance plane diagram trying to make sense of signal patterns in ferromagnetic materials and walked away...

At its heart, eddy current testing is all about sending an electrical signal into a probe, creating magnetic fields, and watching how...

When we think about today’s advanced nondestructive testing (NDT) methods for heat exchanger tubing—whether in nuclear, chemical, or...

Across the country, industries like welding, plumbing, electrical work, and nondestructive testing (NDT) are facing a growing crisis: a...