As any percussionist or fidgety pen-tapper can tell you, different materials make different noises when you hit them. Researchers at Drexel University hope this foundational acoustic phenomenon could ...
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Researchers at Drexel University have published research showing that acoustic wave propogation can be used to identify buried lead water lines. As any percussionist or fidgety pen-tapper can tell you ...
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 ...
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