Ruby-red slippers take center stage at Academy Museum exhibit on color in film
LOS ANGELES -- In the hit movie “Wicked,” those famous magical shoes are silver. But if you want to see them in all their ...
Why are rubies red and emeralds green? Their colors come from the same metal in their atomic structure
Rubies and emeralds have the colors they do because, like many substances, they absorb some colors of light. Most visible light, like sunlight, is composed of all the colors of the rainbow: red, ...