The use of ultrasonic noise — silent to the human ear — in mobile payments and rewards hasn't garnered as much attention as Near Field Communication chips and QR codes, but there are a few successful ...

Uncover the truth about ultrasonic pest repellers. We delve into scientific studies and FTC warnings to see if these devices ...

The bottom line? They just don’t work.

New research suggests plants and insects are communicating through ultrasonic sound, undetectable to the human ear. :: Tel Aviv, Israel That's according to a study published by researchers at Tel Aviv ...

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 ...

Apple could use ultrasonic sound waves to deliver haptic feedback to wearers of its upcoming AR/VR headset when they interact with virtual objects. Most consumer AR/VR headsets do not provide haptic ...

The mating calls of the katydid, a large insect, are ultrasonic, beyond the audible limit of human hearing. What if we could hear them? That’s the focus behind a collaboration between the abstract ...

An ultrasonic range finder is a useful tool in a variety of real-life and robotic applications, such as in obstacle-avoidance and distance-measurement systems. The ultrasonic range finder measures the ...

Neuroscientist Sjoerd Meijer of the Donders Institute at Radboud University has shown for the first time that targeted ...

A unique ultrasonic bracelet has been created which is capable of jamming microphones in smart speakers when in close proximity. The wearable microphone jammer has been designed to exploit a synergy ...