Even though this is an older article, I think the video linked on the bottom of the page by Rob Hummel was quite interesting.  I learned that one of the reasons why film has such broad dynamic range is because there are many layers of emulsion with different sensitivity.  That’s cool!

Film Vs Digital: Learn about Sensors & Cameras from 35mm film, 120 220 film, plait 4/5 and full frame to medium format film for Pro to Amatuer photographers

Source: Film Vs Digital:About Sensors & Cameras. Kodak Ilford & Fuji