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Geology
UM researchers using sound to peer beneath Earth's crust
UM researchers using sound to peer beneath Earth's crust

A network of hundreds of seismometers across the eastern United States hears everything — earthquakes on the other side of the world, construction work down the street, the swaying of trees in the wind. And like bats or ultrasound machines use sound to "see," the instruments can translate those sounds into images. The more instruments listening, the finer the image. An assistant professor of seismology at the University of Maryland, College Park and his colleagues are using that principle to peer into the Earth's core and create images with unprecedented resolution. Last month, Vedran Lekic won an $875,000 fellowship to fund a project using the National Science...

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