Ultrasound radiology stands out as an exceptionally safe, affordable and versatile diagnostic tool in modern medicine. Unlike ...

With the invention of the dynamic driver speaker celebrating 100 years, it’s an opportune moment to reflect on this widely recognized, coil-based transducer that delivers sound in almost all TWS ...

Itasca, Ill. — Knowles Acoustics introduces an ultrasonic acoustic sensor (UAS) to detect/receive ultrasonic sound in air. The UAS uses the latest micro-electromechanical (MEMS) technology to provide ...

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 ...

What do bats, dolphins, shrews and whales have in common? Echolocation! Echolocation is the ability to use sound to navigate. Many animals, and even some humans, are able to use sounds in order to ...

Ultrasound close ultrasoundSound with a frequency greater than 20,000 Hz (20 kHz). waves have a frequency higher than the upper limit for human hearing – above 20,000 Hertz (Hz). Different species of ...

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 ...