The aim was to show how powerful surveillance technology such as face recognition appears when used on individuals controlled ...

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 ...

IR sensors rely on an emitter (IR LED) and a detector (photodiode or photoresistor) to measure infrared light and convert it ...

An inexpensive detector developed by a NASA-led team can now see invisible infrared light in a range of “colors,” or wavelengths. The detector, called a Quantum Well Infrared Photodetector (QWIP) ...

Scientists have developed a new method for detecting mid-infrared (MIR) light at room temperature using quantum systems. Scientists from the University of Birmingham and the University of Cambridge ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. When you unlock a phone, step into view of a security camera or drive past a license plate reader at night, beams of infrared ...