sound waves

'Sound' Solutions to Low Frequency Noise

by National University of Singapore

Low frequency noise is known to trigger negative physiological reactions, such as changes to blood pressure, vertigo, and breathing difficulties

Record-Shattering Underwater Sound

by SLAC National Accelerator Laboratory

A team of researchers has produced a record-shattering underwater sound with an intensity that eclipses that of a rocket launch

Making the World a Lot Quieter

by Boston University

Mechanical engineers have developed an “acoustic metamaterial” that can cancel 94 percent of sound