News tagged with acoustic

Pencil test for pipeline cracks

It is impossible to see when the "lead" in a pencil cracks within the pencil, but an acoustic sensor can "hear" the change in the way the pencil vibrates. Now, researchers in China have reported in the International Journal ...

dateJun 08, 2016 in Engineering
shares11 comments 0

Study shows whales dine with their own kind

For a few weeks in early fall, Georges Bank—a vast North Atlantic fishery off the coast of Cape Cod—teems with billions of herring that take over the region to spawn. The seasonal arrival of the herring also attracts ...

dateMar 02, 2016 in Plants & Animals
shares18 comments 0