When [Electron Impressions] used a powerful ultrasonic array to project a narrow beam of sound toward a target, he described ...

Audfly's ultrasonic directional sound technology integrated with digital advertising displays, delivering targeted audio to viewers while minimizing noise pollution. Audfly's ultrasonic directional ...

(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 ...

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 ...

Imagine that your smartphone could talk directly to an ATM to securely authenticate your identity without you having to touch it. What if your phone could use sound from the speaker system in the mall ...

Scientists in Finland transmitted electricity through air using sound waves, lasers, and radio frequencies, creating ...

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 ...