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

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. A video showing a mobile device snapping ...

Barcodes and QR codes feel like they’re everywhere nowadays, but they don’t have to be. Scientists at MIT have developed an invisible tagging system called BrightMarker, which embeds fluorescent tags ...

You can cover yourself from head to toe in fatigues or dark clothing, but it’s nearly impossible to hide from a thermal camera that can see the invisible infrared radiation your body emits. Or is it?