Sound waves blur when traveling through liquids, which are abundant in our bodies. Used to 3D print structures, the sound waves could generate an abomination of the original design. To build an ...

Sonair is a 3D ultrasonic obstacle detection sensor that provides a “safety shield” around a robot. The new sensor operates by emitting a burst of ultrasound and then analyzing the signals ...

A doctor does an ultrasound on a patient, Oklahoma City, U.S., December 6, 2021. REUTERS/Evelyn Hockstein/File Photo Purchase Licensing Rights, opens new tab ...

Tesla is removing ultrasonic sensors from Model 3 and Model Y vehicles, the next step in CEO Elon Musk’s plan to only use cameras and software to support its advanced driver assistance system ...