We found a new way to send sound to one specific listener: through self-bending ultrasound beams and a concept called ...

Researchers have created crazy new headphone-free music tech that can beam sound waves directly into your ears.

Directing sound to a specific location is difficult because of how sound waves behave. As vibrations move through the air, ...

Ultrasonic beams fired through a 3D-printed metasurface can create localized pockets of sound that are inaudible to passers-by. The technique could be used to create private speech zones for secure ...

In a world where sound surrounds us—often uninvited and unavoidable—a team of researchers at Penn State University has ...

A team of researchers at Penn State College of Engineering have been fine-tuning a technology that allows them to create ...

Here are five creatures with superior hearing abilities that can detect and interpret ultrasonic frequencies: Dogs can hear frequencies up to 45,000 hertz, approximately, far beyond human capabilities ...

A bioengineer highlights the potential of low-intensity ultrasound for multiple uses, from enhanced drug delivery to the ...

Imagine being able to listen to music or other audio that no one else can hear, without having to wear headphones. Doing so ...

Blood glucose is usually measured using invasive methods involving pricking small needles into the skin. But people suffering ...

Blood glucose is usually measured using invasive methods involving pricking small needles into the skin. But people suffering ...

The research, published in the prestigious journal Advanced Functional Materials, shows how an innovative and non-toxic process using ultrasonic sound waves can alter the surface of glass, making it ...