Existing defect detection tools using ultrasound rely on phased array ultrasound. In this method, many transducers are pointed in the same direction to generate an image of that specific area. This ...

Abstract: Ultrasonic distance estimation sensor and Lidar micro sensor have been employed in the proposed obstacle detection and collision avoidance method for the computation of the distance between ...

Abstract: The stress field of steel members in service is unevenly distributed under complicated loads. The existing single-path ultrasonic (SPU) sensors can only measure stress in a single ...

What do wearable technologies have in common with driverless cars? And what do observatories peering into outer space have in common with laboratories studying the deepest oceans? A sense of home All ...

The headline here is the periscope telephoto lens. If you’ve used the Xiaomi 17, you know the 2.6x zoom is fine for a portrait, but it falls apart the second you try to capture something across a ...