The world of LED tools in beauty can feel like ... visible light spectrum red light sits in; infrared and near-infrared are terms often used interchangeably within beauty],” says Newman ...

The technique, developed for military surveillance and crop surveys, captures near-infrared light: wavelengths of electromagnetic radiation that fall between what we see as red and the longer ...

We learn about the planets, stars, and galaxies by their light—visible light, and also shorter-wavelength ultraviolet and longer-wavelength infrared ... you look at the Sun, you see it as ...