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Acoustics

New findings suggest that ordinary sound has negative gravitational mass.

Charles Q. Choi, Contributor

A better understanding of how humans detect different voices may help design better voice recognition software.

Yuen Yiu, Staff Writer

A new way to measure vibrations may eventually help detect gravitational waves and store quantum memory.

Yuen Yiu, Staff Writer

Algorithms for mixing and mastering audio are having a growing impact on what we hear.

Katharine Gammon, Contributor

Legal experts call upon audio forensics experts to unravel a puzzling mystery that has rocked the music industry.

Jennifer Leman, Contributor

Physicists harness ultrasound to make bubbles last longer.

Marcus Woo, Contributor

One trick to making music sad? Use a solo instrument.

Joel Shurkin, Contributor

Using a device typically engaged to study rockets, researchers examined how whales hear.

James Gaines, Contributor

The innovation could one day help marine biologists eavesdrop on whales and equip submarines with more sensitive sonar.

Catherine Meyers, Editor

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