Indigo
Science, Commerce, and Why Indigo is not a Color.
Indigo is a pigment, not a color.
Indigo
Indigo is a pigment, not a color.
Color
A reexamination of Newton's connection between the music and color.
Rainbows
Including quotes from noted philosophers like Plato, Descartes, Kierkegaard, and Kermit the Frog.