Eli5: When you shine a bright light under your fingertip, making your finger orange, is the light actually illuminating through the entirety of your finger?

Question

Eli5: When you shine a bright light under your fingertip, making your finger orange, is the light actually illuminating through the entirety of your finger?

In: Physics

Answer 1

In cgi, simulating this is called “subsurface scattering”.
https://en.wikipedia.org/wiki/Subsurface_scattering