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
What a Beautiful Name A video for the song was recorded at the Hillsong Conference in Sydney and was released on 30 September 2016. Music critic Matt Collar praised Hillsong Worship for their "passionate, faith-based sound" and wrote that fans of the group "will surely appreciate this emotive, uplifting Christian pop." Jake Gosselin attributes the popularity of the song in the Christian community to a number of factors. He writes that "What a Beautiful Name" is "singable." In practice this refers to the "small vocal range" of the song which is "one note over an octave." This translates to a song that is easy