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 on the chart. What a Beautiful Name also leads the CCLI, the international licensing service for 250,000 churches. The YouTube video has more than 220 million views as of 23 April 2018. "What a Beautiful Name" is a track from Hillsong Worship's 25th live album, "Let There Be Light". The album was released on 14 October 2016, and debuted as No. 1 on the Top Christian Albums chart. For 2017, "Let There be Light" was ranked the No. 9 of the year. Hillsong Worship was named Billboard's Top Christian Artist of 2017, as well as Top Christian Duo/Group. "What a