[Figure 1] Notice that the lowest layer (left) of art is slightly darker than the top layer (right). This is due to the slight...

[Figure 1] Notice that the lowest layer (left) of art is slightly darker than the top layer (right). This is due to the slight...
[Figure 1] Notice that the lowest layer (left) of art is slightly darker than the top layer (right). This is due to the slight pigment in each cel. In the digital world, this loss of light is no longer an issue.