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 Beautiful Name" earned two Dove awards, Song of the Year and Worship Song of the Year. "What a Beautiful Name" won the award for Best Contemporary Christian Music Performance/Song at the 60th Grammy Awards, the first for Hillsong Worship. The song was recorded at a live performance at the annual Hillsong Conference in 2016. Hillsong performed the song at the 48th Annual Dove Awards held at Allen Arena in Nashville. The performance was well received and "had audience members on their feet with their hands in the air." When asked about performing the song in an interview with "Billboard"s Jim