It is well known that dogs boast an incredible sense of smell, but new research has uncovered another way our four-legged friends use their famous noses to find their way around. Scientists have ...

BUDAPEST (Reuters) - Dogs have a type of infrared sensor in the tip of their nose which enables them to detect minute changes in temperature such as when other animals are nearby, according to new ...

It’s called IRST21 and it takes two years to produce a unit from Lockheed Martin in Orlando and Ocala. This highly advanced infrared sensor identifies the heat signature from friction as air passes ...

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.