0 Infrared light is a type of light that feels warm but cannot be seen:
1 describing light at the red end of the spectrum (= set of colors into which light is separated), which cannot be seen by human beings, and which gives out heat
Infrared sensors are used to build a description of the robot's surroundings.
Retinal slices were prepared in a dark room under a dissection microscope equipped with an infrared illumination and a monitor.
The infrared emission of lunar-like bodies with high obliquities can vary by an order of magnitude along the orbit, depending on the viewing geometry.
We have developed techniques for the detection and classification of microbial populations through infrared remote sensing at terrestrial analogue sites.
The photolytic by-products were studied by infrared spectroscopy and mass spectrometry.
Further characterization of the protein secondary structure in purple membrane by circular dichroism and polarized infrared spectroscopies.
The microscope, the telescope, the infrared camera, for example, expand the perceptual field by marginalizing the infraliminal.
A third camera was installed, monitoring the target in the infrared and visible range.