Infrasound refers to sound waves far below the range of human hearing ... of this detection method. These infrasound sensors can help determine falling space objects' trajectory using a method ...

OSLO, Norway--(BUSINESS WIRE)--Sonair ADAR, the world’s first safe 3D ultrasonic ... (acoustic detection and ranging) technology detects people and objects in 3D. A single ADAR sensor provides ...

Abstract: Ultrasonic technology has been using for years. Different Ultrasonic sensors are used in homes, shops, to navigate, object detection and for what is known as map building. The aim of this ...

Since most contaminants (e.g., metal, glass, bone) are denser than food, they absorb more energy and therefore they show up ...

Researchers create a flexible ultrasonic device enabling wireless charging underwater and inside the human body.

A metamaterial is a composite material that exhibits unique properties due to its structure, and now researchers have used one featuring a small sawtooth pattern on its surface to move and position ...