Using sensors to record sound waves, Drexel engineers John DeVitis (left) and K I M Iqbal (right) can determine if water service lines leading to homes on Osage Avenue in Philadelphia are made of lead ...

A recent study showed that it is possible to discern the composition of a buried pipe by striking an accessible portion of it and monitoring the sound waves that reach the surface. This method could ...

The Intelligent Wave Engineering Team of the Korea Research Institute of Standards and Science (KRISS, President Hyun-min Park) and the Electro Ceramics Laboratory of the Department of Materials ...