(InfraRed detector) A sensing device that picks up radiation in the infrared band. Used extensively for still and video night vision cameras, cooled IR detectors can sense the makeup of nebulae ...
Smartphones can detect these cameras through flashlight reflections, infrared lights, and camera-detection apps. Additionally, checking Wi-Fi networks for unknown devices helps identify suspicious ...
According to a study published in Nature Communications, researchers have created an extremely sensitive detector for identifying molecules based on their infrared vibrational “fingerprint.” ...