When you unlock a phone, step into view of a security camera or drive past a license plate reader at night, beams of infrared ...

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 ...

In Nepal, the unseen eye has changed Tibetan life. The cameras are not just machines perched on the thick bundles of wires that twist through narrow lanes of Kathmandu in Nepal.