Maybe you've seen the famously-problematic poster (below applet) that depicts education as a set of three meshing gears, representing: Students, teachers, parents.[br]While my students don't have much trouble recognizing the misfortune of this metaphor, I still felt like making an interactive applet that allows the user to vary:[br][list][*]number of gears[/*][*]location of center of each gear[/*][*]number of teeth on each gear[/*][/list]