The humble morning brew may be on the brink of a revolution, with researchers harnessing ultrasonic sound waves to make ...

When [Electron Impressions] used a powerful ultrasonic array to project a narrow beam of sound toward a target, he described it as potentially useful in getting someone’s attention from across a ...

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 ...

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 ...

Rather than sound being pumped out from a loudspeaker in all directions, the Klang speaker concept proposes using a low level ultrasound to direct the audio only where it's required, leaving silence ...

Dealing with paper tickets may become a thing of the past if Ticketmaster's new "Presence" digital system takes off. The ticket agency worked with data-via-audio company Lisnr to implement a new ...