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 ...

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 ...

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 ...

Dystopian corporate surveillance threats today come at us from all directions. Companies offer “always-on” devices that listen for our voice commands, and marketers follow us around the web to create ...

(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 ...

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 ...