Want crisp images? Cleaning your camera's sensor reduces smudges and particles from appearing on your images — here's how to do it.

The Korea Research Institute of Standards and Science (KRISS) has developed an ultrasonic sensor technology that applies a ...

Abstract: A calcium alginate (CaAlg)-coated D-shaped single mode fiber humidity sensor is proposed in this paper. The sensor is fabricated by grinding single mode fiber and wrapping CaAlg with rolling ...

Abstract: With the perfection of high-speed railroad networks, maintaining the structural integrity of rails is crucial for safe transportation. However, the contact friction between wheels and rails ...