Method A device emitting a beam of infrared light is rolled over the skin.

It uses infrared light to capture hundreds of images within seconds.

That meant we had to work with only two light sources: the moon and infrared light.

The three elements monitor infrared light that bounces off objects in front of the camera, allowing it to detect depth.

It works by producing a sheet of infrared light, which acts as a barrier to keep mosquitoes out of a specific area.