With the invention of the dynamic driver speaker celebrating 100 years, it’s an opportune moment to reflect on this widely recognized, coil-based transducer that delivers sound in almost all TWS ...

(Nanowerk News) It will soon be possible to measure ultrasonic sound using water, air, light and nanotechnology – over a hundred times more accurately than with existing sensors. This innovative ...

Ultrasonography is an incredibly useful tool in medicine, particularly in emergency departments. It usually takes under a minute for an ultrasonography tool to assess whether a critically injured ...

A company that is pioneering the use of earbud speakers that are manufactured like microchips says it has developed a way to convert inaudible, high-power ultrasound into hi-fi stereo sound, using a ...

In a world where sound surrounds us—often uninvited and unavoidable—a team of researchers at Penn State University has engineered a breakthrough that could redefine how we hear. Enter “audible ...

Researchers at the University of Bristol have been able to levitate objects using ultrasonic waves larger than the wavelengths of sound used by the device. This could enable touchless control of drug ...

Researchers develop battery-free 3D-printed metal tags for smart tracking ...