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 ...

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 ...

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 ...

(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 ...

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 ...

RAILWAY AGE MARCH 2022 ISSUE: Welcome to “Timeout for Tech with Gary T. Fry, Ph.D., P.E.” Each month, we examine a technology topic that professionals in the railway industry have asked to learn more ...

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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 ...