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

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

Because those photographs truly can make or break a case, and the better camera you have, the better evidence that it's going ...

Scientists have developed a lens-free mid-infrared camera using a modern twist on pinhole imaging. The system uses nonlinear crystals to convert infrared light into visible, allowing standard sensors ...