Roulette (curve) application of this is that a square wheel could roll without bouncing on a road that is a matched series of catenary arcs. Roulette (curve) In the differential geometry of curves, a roulette is a kind of curve, generalizing cycloids, epicycloids, hypocycloids, trochoids, and involutes. Roughly speaking, a roulette is the curve described by a point (called the "generator" or "pole") attached to a given curve as that curve rolls without slipping, along a second given curve that is fixed. More precisely, given a curve attached to a plane which is moving so that the curve rolls, without slipping, along
Diary of a Wimpy Kid: The Third Wheel book ends with Uncle Gary winning $40,000 and paying Dad with the money, and moves out of the house. Rowley and Abigail are dating, and Greg gets the chicken pox. Greg is finally able to take baths and be by himself in the bathroom, but he now starts to think if he is really alone, when a fresh towel near the tub disappears. Critical and reader reception for "The Third Wheel" was positive, with the "San Angelo Standard-Times" calling the book "masterful." Diary of a Wimpy Kid: The Third Wheel Diary of a Wimpy Kid: The Third Wheel is a