A robotic arm design is a mechanical device which is designed to replicate the movements and functions of the human arm. It ...

Without any delays, here are the best Phones with Ultrasonic Fingerprint Sensors (December 2025) that make the cut: ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

Synthesis of nanostructured cubic phase SnO 2 thin film and its trace-level sensing of CO gas This study presents a cubic phase SnO 2 thin film gas sensor with ultra-high CO sensitivity and 1 ppb ...