In the third grade, I was involved in an uncomfortable relationship with my teacher's chalkboard. Speaking without raising a hand, accidentally tearing a blue ditto worksheet, or any number of other relatively minor infractions led to her drawing a small circle on the board. The dissident student was called to the front of the class and instructed to put her/his nose in the center. If the incident was deemed especially heinous, the student would be called to the board before the circle was drawn so the teacher could sketch it just high enough that the perpetrator would be forced to stand tip-toed to serve out the sentence. To this day, I'm not a fan of the smell or the feeling of chalk. Starting my teaching career, chalkboards made way for whiteboards and such punitive procedures were, thankfully, deemed barbaric. Nonetheless, whiteboard marker tips were notorious for getting pushed in and, if erased by human hands, the boards started looking nasty alarmingly quickly. ...