Phones have mostly ditched curved edges due to user request, but the fingerprint reader under most screens is the new problem ...

What distinguishes ultrasonic holography from light-based xolography is that the latter uses photon interference between two light sources in order to rapidly 3D print an object within the print ...

While it’s not radar, subbing in ultrasonic sensors is how ... That required a switch to an automotive backup sensor, which uses a single transducer, and a 3D printed parabolic dish reflector ...

Ultrasonic fingerprint sensor is a biometric authentication that uses high-frequency sound waves to create a 3D image of a fingerprint. It is generally embedded in a screen. It is a more secure ...