Q. I’ve seen odd-looking photos taken with infrared (IR) cameras. They seem to me to be more of a novelty than a useful tool. How can they help you around your home? What was the most shocking thing ...

This is an infrared photo of an exterior door at my own home. You can clearly see small air leaks (darker blue spots) where cold air is leaking around the weatherstripping. (Tim Carter) Perspective by ...

An infrared thermal camera, also known as a thermal imager or infrared camera, is a device that detects and measures infrared radiation emitted by objects in order to create a visual representation of ...

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 ...