William Herschel Discovery of Infrared Radiation 1800 Build
In1800, Herschel was testing filters for the sun so he could observe sun spots. When using a red filter he found there was a lot of heat produced. He discovered infrared radiation
Infra-red Radiation and William Herschel - ppt download
Sir William Herschel
In1800, Herschel was testing filters for the sun so he could observe Stock Photo - Alamy