In laboratories from Brazil to Munich, researchers are learning to grab matter with sound alone, sculpting ultrasonic waves ...

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 ...

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 ...

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

In yet another first for graphene, physicists from the University of California, Berkeley, have employed this versatile material to create ultra-thin, lightweight ultrasonic microphones and speakers ...

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 ...

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 ...

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 ...

Attack uses ultrasonic sound waves to disrupt HHD read/write operations, which could lead to a system crash. Using sonic and ultrasonic soundwaves as a weapon, researchers can disrupt the read, write ...

Humans can observe what and where something happens around them with their hearing, as long as sound frequencies lie between 20 Hz and 20 000 Hz. Researchers have now developed a new audio technique ...

If you’re already worried about ads tracking your online whereabouts, here’s a new thing to freak out over: cross-device tracking that communicates using high-pitched audio frequencies. As reported by ...