Related topics: sound

New sound diffuser is ten times thinner than existing designs

Researchers from North Carolina State University and Nanjing University have developed an "ultra-thin" sound diffuser that is 10 times thinner than the widely used diffusers found in recording studios, concert venues and ...

Optical generation of ultrasound via photoacoustic effect

Limitations of the piezoelectric array technologies conventionally used for ultrasonics inspired a group of University College London researchers to explore an alternative mechanism for generating ultrasound via light, also ...

Sound-shaping metamaterial invented

A super-material that bends, shapes and focuses sound waves that pass through it has been invented by scientists.

How to 3-D print your own sonic tractor beam

Last year Asier Marzo, then a doctoral student at the Public University of Navarre, helped develop the first single-sided acoustic tractor beam—that is, the first realization of trapping and pulling an object using sound ...

Tapping into long-lived sound waves in glass

Yale scientists have shown how to enhance the lifetime of sound waves traveling through glass—the material at the heart of fiber optic technologies. The discovery will be described in the January edition of the journal ...

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