Abstract: Photomultiplier tube (PMT) receiver is a promising solution for long-distance underwater wireless optical communication (UWOC) due to its characteristics of high gain, low noise, and large ...

Marshall considers the Heston 120 an all-in-one speaker that’s designed to work equally well for movies and music. However, ...

You'll use either the Astro filter or the Dual-band filter for astrophotography. The Astro filter captures more infrared ...