Your search "caffeine" resulted in 3 Articles
It's only natural that someone who loves coffee would take photos of it, right?
Fact: We consume caffeine every single day in one form or another. Most of us, if not all, are addicted to coffee and had made it a part of our morning ritual to drink a cup to keep us energized. This gave me an idea to try and use it to stimulate a normal film.
Develop film with coffee and vitamin C - it really works!