Even better, Nest offers free video history out of the box ... the Ring Video Doorbell 2 Pro also features a 1536p HD live video camera complete with color night vision, wide 150-degree views ...

But with Chitrakaari’s latest collection of wallpapers, Petals, Palms and Pixels, you can bring this vision to life.

Physics attempts to both answer philosophical questions about the nature of the universe and provide solutions to technological problems. A conference on classical and quantum technologies using ...

Satellites connect people around the world but they also interfere with astronomers’ views of the cosmos. There are ways to reduce these tensions.