Infrared Imaging or Thermal Imaging
Rainbows have always fascinated human curiosity. The appearance of various colors in the sky out of basically nothing was something science had been trying to understand from a very early stage. It was when Newton discovered the visible spectrum that other scientist got some firm footing to explore the deep chasms on the edges of the visible spectrum. Little did they know that lying adjacent to this magnificent rainbow was a form of energy that had been warming their winter afternoons, the Infrared Rays.
