NTT Corp. (NTT) and Okayama University have developed a solution to the increasing problem of IoT signal interference by creating a topological ultrasonic circuit. Claimed as the first of its kind, ...

Create a focused speaker so your music targets only the listener. That demodulates at 40 kilohertz, with an H-bridge and ...

I still vividly remember the first time we observed neurons responding not to audible sound, but to concentrated, precisely ...

The new laser ultrasound technique was used to produce an image (left) of a human forearm (above), which was also imaged using conventional ultrasound (right). (Courtesy: Xiang Zhang et al) In ...

Researchers have developed a new ultrasound method that can, for the first time, measure tension in human tissue, potentially revolutionizing disease diagnosis. An ultrasound device emits ...