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

Scientists in Switzerland have developed an ultra-thin metalens that converts invisible infrared light into visible light by halving its wavelength, using nanoscale patterns stamped into a special ...

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

Former Xinjiang government engineer Nureli Abliz, who saw firsthand how surveillance technology flagged thousands of people in China for detention, even when they had committed no crime, is ...

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 ...

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) ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists in Switzerland have developed an ultra-thin metalens that converts invisible infrared light into visible light by ...

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 ...