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
Like a Rolling Stone it goes away. You don't know what it means. Except that the ghost picked me to write the song." More than 50 years since its release, "Like a Rolling Stone" remains highly regarded, as measured by polls of reviewers and fellow songwriters. A 2002 ranking by "Uncut" and a 2005 poll in "Mojo" both rated it as Dylan's number one song. As for his personal views on such polls, Dylan told Ed Bradley in a 2004 interview on "60 Minutes" that he never pays attention to them, because they change frequently. Dylan's point was illustrated in the "100 Greatest Songs