When you unlock a phone, step into view of a security camera or drive past a license plate reader at night, beams of infrared light - invisible to the naked eye — shine onto the unique contours of ...

Yang Guoliang, who has been under surveillance by Chinese officials after complaining about a land dispute to the central ...

Canon is one of the most recognizable brands in the photo world, and these are its top cameras based on rigorous testing and thousands of photos. Images, and the devices that capture them, are my ...