A gelatin capsule drying system that includes a structure divided into first, second and third zones, a first air handler unit positioned to discharge air into the first zone, a second air handler unit positioned to discharge air into the second zone and a third air handler unit positioned to discharge air into the third zone. In this way, optical proximity communication between the devices is possible. The invention extracts photo metadata from the photo image file and stores the information on the storage device along with the photos and Includes any audio annotation associated with the downloaded photos and downloaded audio files that the user can attach to a photo in the slide show. Due to the proximity of bit lines, the change in the bit line voltage is coupled to a neighboring unselected bit line, reducing the neighboring bit line voltage to a level which might be sufficient to open a select gate and discharge a boost voltage. Methods for using semiconductor nanocrystals for monitoring and quantifying the amounts of solid materials dissolved in a liquid are also described.