The Pitter Patter Of Rain Might Reveal a Bridge's Structural Integrity

Closing down a busy bridge for safety inspections is difficult because it can lead to traffic nightmares on either side. But at the same time, the last thing engineers want is for it to collapse with vehicles on deck. So a team of researchers has come up with a novel way to test a concrete bridge's structural integrity by simply listening to the sound of rain drops. More »