![Massimo on Twitter: "On 11 February 1800, William Herschel discovered the infrared radiation while measuring the temperature of the colors after sunlight passed though a prism. He had a thermometer next to Massimo on Twitter: "On 11 February 1800, William Herschel discovered the infrared radiation while measuring the temperature of the colors after sunlight passed though a prism. He had a thermometer next to](https://pbs.twimg.com/media/DkMKtIjXoAENOHk.jpg)
Massimo on Twitter: "On 11 February 1800, William Herschel discovered the infrared radiation while measuring the temperature of the colors after sunlight passed though a prism. He had a thermometer next to
![Applied Sciences | Free Full-Text | How Infrared Radiation Was Discovered—Range of This Discovery and Detailed, Unknown Information Applied Sciences | Free Full-Text | How Infrared Radiation Was Discovered—Range of This Discovery and Detailed, Unknown Information](https://pub.mdpi-res.com/applsci/applsci-11-09824/article_deploy/html/images/applsci-11-09824-g006.png?1634797645)
Applied Sciences | Free Full-Text | How Infrared Radiation Was Discovered—Range of This Discovery and Detailed, Unknown Information
![temperature - Why does William Herschel's experiment show red light as warmer than blue? - Physics Stack Exchange temperature - Why does William Herschel's experiment show red light as warmer than blue? - Physics Stack Exchange](https://i.stack.imgur.com/Dc5lP.gif)
temperature - Why does William Herschel's experiment show red light as warmer than blue? - Physics Stack Exchange
![File:Glass prism, mounted at end of a brass tube, used by Sir William Herschel 10287820 H.jpg - Wikimedia Commons File:Glass prism, mounted at end of a brass tube, used by Sir William Herschel 10287820 H.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/4/4d/Glass_prism%2C_mounted_at_end_of_a_brass_tube%2C_used_by_Sir_William_Herschel_10287820_H.jpg)