So how do those cameras work? By definition, a thermal camera is a non-contact device that detects infrared energy (heat in this case) and converts it into a visual image.

Infrared sensors are becoming more popular in vehicles for advanced driver assistance systems (ADAS), in-cabin sensing, and ...

The Switch 2 has been officially revealed, and while it's unconfirmed that the new Joy-Con controllers use IR sensors, we're running you through what they do.