Ultrasound has long been used for helping doctors see inside the body, but focused high frequency sound waves are offering ...

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 ...

Silentek offers new ultrasonic jammer which outperforms all other units tested. The UJ-20000 proved effective against all devices tested, including iphones. USA ...

In-display fingerprint scanners on smartphones have been around for a few years now. Ultrasonic and optical scanners are two technologies with both serving the same purpose of biometric authentication ...