What is Caffenol? The definition goes somewhat like this: "Caffenol is a photographic alternative process whereby caffeine, sodium carbonate and optionally ascorbic acid are used in aqueous solution as a film and print photographic developer." In other words, you use instant coffee, washing soda and Vitamin-C powder to mix your own film negative and print developer.
"...and for those of you who are watching in black and white, the pink is next to the green." ~ Ted Lowe [BBC snooker commentator]