Science Bag Videos

"Whiter than White, Blacker than Black and Greener than Green: The Perception of Color"

Robert Greenler - Department of Physics

What do we mean when we say that a geranium is red, an orange is orange or white white? When, in fact, and why is white white, and what is color? Answers to these and other intriguing questions about the nature of light, the color of common objects, and the way in which the human eye perceives color can be found in this program.