Visible light and the different waves that make it up, infrared light and ultraviolet light.
Review the properties of light, including visible light, ultraviolet light, and infrared light.
Discover the science behind the remote control, including how it sends infrared light signals to the devices it controls.
Learn about the first female photographer, how to make prints with UV light as she did, and how the process works.
Find the UV index for your zip code and learn more about how to interpret the result.