Abstract: The ocean covers nearly two-thirds of the surface on the Earth, and there has been great interest in developing underwater wireless sensor networks (UWSNs) to help us explore the ocean realm ...

Blower - used to blow away dust and dirt on or in the camera. Brush - used to wipe away dust from the camera body or lens. Use a large or small brush for the lens according to the situation. A brush ...

Researchers developed a fingertip-sized, humidity-tolerant hydrogen sensor using platinum nanoparticles that catalyze reactions, thin a water film, change color, and trigger alarms. (Nanowerk News) ...