I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

Lockheed Martin’s vaunted F-22 air superiority fighter is set to receive a new passive threat-detection system meant to increase survivability. The military airframer received a $270 million contract ...

Infrared sensor developed by Northrop Grumman for the Next-Gen OPIR Polar satellite, designed to provide missile detection and tracking capabilities over the Arctic. Credit: Northrop Grumman ...