The thousands of previously classified and hidden pages of testimony, photos, videos and recordings may leave more questions ...

A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors.

SAN FRANCISCO – Washington-based startup Hydrosat is preparing to send its first thermal-infrared instrument into orbit July 8 on SpaceX’s Transporter-11 rideshare flight. The instrument, designed to ...

Out of everything the Trump administration had promised its citizens recently, one task is definitely on track—that of ...

As evidenced by the Covid-19 pandemic, quick and non-invasive techniques to assess body temperature have become necessary. In various locations, including hospitals, airports and schools, non-contact ...

Northrop Grumman said it has taken delivery of a missile-warning sensor for a U.S. Space Force satellite program that the ...

An infrared sensor aboard a U.S. military platform focuses on an area of contrast that resembles a football-shaped body with ...

In recent years, IR blasters have become a standard part of smart TV systems, but it's not always clear just what these devices are or do. For starters, the IR in the name stands for infrared, which ...