There’s nothing better than sinking your teeth into a sweet, creamy chocolate bar. Rats think so, too—and they may announce ...

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 ...

Ultrasonic linear position sensors and switches use ultrasonic waves in combination with light and frequency readings. Specifically, ultrasonic linear position sensors and switches use surface ...

A 16-by-16 array of 40-kilohertz ultrasonic transducers—frequencies too high for humans to hear—generated the beam. Properly ...

Pioneering 'tweezers' that use ultrasound beams to grip and manipulate tiny clusters of cells under electronic, push-button control could lead to life-changing medical advances, such as better ...

New technologies for mobile devices may use ultrasonic sound waves for a variety of purposes, from charging your phone when you enter your room to collecting data on which advertisements you watch.

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 ...

The best ultrasonic jewelry cleaner will make your most treasured pieces sparkle like new. Highlights We put seven ultrasonic jewelry cleaner machines to the test. The Magnasonic Professional ...

Brushing your retainer only does so much. The best ultrasonic retainer cleaners remove bacteria and debris —all without ...