[ladyada] has a freshly-published and amazingly thorough tutorial on passive infrared (PIR) motion sensors. Most often seen in security floodlights and automatic doors, in creative hands these sensors ...

Raytheon has demonstrated a new type of infrared camera that ditches the conventional approach of capturing full video frames, instead recording only the pixels that change from one instant to the ...

Fujitsu has developed a high-sensitivity and high-resolution infrared sensor to expand monitoring capabilities in the defense and disaster prevention fields. This sensor is a Type-II superlattice ...