BACTERIA MAKE HIGH-DEFINITION IMAGES
Light-sensitive bacteria can produce a "biological film" to take high-resolution photographs.
Ref. https://www.cbc.ca/story/science/national/2...film051123.html
In my opinion, now that there is digital photography, working with any kind of film is like trying to perfect the turbine engine. There is a better way: solar energy and electric cars, but then of course too many jobs would be lost, so here they are re-engineering the role of rolled film.