Discovery of the electrmagnetic spectrum by Frederick William Herschel - YouTube
Institute for Future Intelligence
In 1800 William Herschel discovered “invisible light” It's energy with all the same characteristics as visible light, but is not sensed by the human eye. - ppt download
ESA - Caroline and William Herschel: Revealing the invisible
William Herschel measured the temperature of different colors of light.
Herschel Infrared Light Experiments Photograph by Science Photo Library - Pixels
William Herschel Is Famous for Science. What About His Music? - The New York Times
William Herschel - Presentation Astronomy
William Herschel and the Discovery of Infrared Radiation - Owlcation
Herschel and the Puzzle of Infrared | American Scientist
Sir Frederick William Herschel Discovery of Infrared Light