It’s the first 4K tri-color laser projector with 1.3x optical zoom, meaning you get true 4K visuals without the usual pixel shifting or quality loss. Priced at 4,599 yuan (around $635), it’s ...

Barely larger than a soda can, the 1080p Anker Nebula Capsule Laser 3 mini projector is easy to set up, delivers impressive image quality, and even doubles as a Bluetooth speaker. If you've read ...

Abstract: Beam steering using high-speed micro-electro-mechanical system (MEMS) mirrors can support mobility between optical wireless communication (OWC) terminals. However, optimization is necessary ...