Security cameras sometimes pick up interesting things that might look like rain, but it's not rain!

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 ...

I grew up reading Superman comic books. One of his superpowers was X-ray vision. He could see through opaque objects to detect danger. I was mesmerized by this power. What would you say if I told you ...

Modern Windows PCs often include some kind of biometric hardware, mainly in the form of facial recognition (using infrared cameras) or fingerprint scanning. Both of these features let you use Windows ...