Infinite photos and videos for every Wiki article · Find something interesting to watch in seconds
History
Page
Thomas Young and Hermann Helmholtz assumed that the eye's retina consists of three different kinds of light receptors for red, green and blue.
Thomas Young and Hermann Helmholtz assumed that the eye's retina consists of three different kinds of light receptors for red, green and blue.
Page
Colored pencils
Colored pencils
Twelve main pigment colors
Twelve main pigment colors