Light – The Wonders of Physics – UW–Madison
https://wonders.physics.wisc.edu/what-is-light/
WebIn order to see, there must be light. Light shines on an object, then bounces off, or reflects, back to our eyes. Our eyes are sensitive to a certain kind of light called visible light. Visible light is all the colors (red, yellow, blue, etc.) that we …
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