Just think of all of the exciting plot possibilities involving dated, cheap, plastic toys whose only function is to slowly dispense individual tablets of sugar. (relevantmagazine.com)
And it's no wonder: The white, powdery sticks, made from gypsum or calcium sulfate, have been used in classrooms across the country since the 1800s, when class sizes grew and teachers found it easier to teach using big slate blackboards at the front of the room rather than having students writing on individual tablets at their desks. (gse.harvard.edu)
These are the same Screen Photographs arranged by individual Tablet rather than by Ambient Light lux level. (displaymate.com)