WHAT DOES INFRARED OPTICAL MEAN?

Try it out!RIGHT: Infrared lamps heat lamps generally emit equally visible and infrared Power atwavelengths in between 500nm to 3000nm in length. They may be accustomed to heat bathroomsor keep meals warm. Heat lamps also can continue to keep little animals and reptiles warm oreven to help keep eggs heat so they can hatch.Placing infrared telescope