I recently got a new correction tape. When I was staring at it today (ya I knew I should be studying for calc2), I noticed that the gear ratio between the two gears was notable and fixed. In particular, the bigger gear that unrolls the tape has more teeth than the smaller gear that rolls up the used tape. While it is easy to guess that the radius of the tape plate attached to the smaller gear will not exceeds that of the plate attached to the bigger gear, as the radius of the plate of new/used tape decreases/increases, the gear ratio must become closer to 1:1 to accommodate for the decreasing difference between the radii. However, the gears in my correction tape are fixed, and this prompts me to wonder how this could work.