Discovery of Infrared Radiation
Kuvakäsikirjoitus Kuvaus
Who discovered Infrared radiation? William Herschel storyboard
Kuvakäsikirjoitus Teksti
- This red light seems hotter than the other colors. I wonder why.
- This red light seems hotter than the other colors. I wonder why.
- William Herschel noticed that red light felt warmer than other colors of light.
- Using a prism, Herschel spread the light into the different colors.
- Using a thermometer, he measured the temperature of the different colors.
- Infrared
- He found it got hotter towards the red end of the spectrum.
- He moved the thermometer just outside the red light and, to his surprise, he found the temperature on the thermometer increased even more.
- He concluded that there must be some invisible radiation that we can't see.
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