Existing defect detection tools using ultrasound rely on phased array ultrasound. In this method, many transducers are pointed in the same direction to generate an image of that specific area. This ...

Advances in ultrasound—the same imaging technology that uses sound waves to allow doctors to monitor babies in utero—are being applied by engineers at the University of California San Diego to make ...

On the technology spectrum, railroads would certainly seem to skew toward the brutally simplistic side of things. A couple of strips of steel, some wooden ties and gravel ballast to keep everything in ...

PATCO has issued a statement saying that it will operate on an emergency schedule Monday due to the detection of a track defect. PATCO said routine testing uncovered an internal defect on a piece of ...

COLUMBIANA – With the Federal Railroad Administration (FRA) weighing the benefits of automated track inspection technology, rail labor unions are speaking out against it, citing both concerns of ...