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 ...

Penn State Altoona rail trans­portation engineering professor Shihui Shen was conferred one of Penn State’s 10 dis­­­­ting­uished professors this year. Courtesy photo Penn State Altoona rail ...

The sharp, uneven rocks you see beneath railway tracks aren’t there by accident. Known as track ballast, these stones form a crucial layer that keeps the rail system stable, durable and safe, all ...