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 is "Oceans (Where Feet May Fail)" and was released by another Hillsong unit, Hillsong United. "Oceans" led the Hot Christian chart for 61 weeks. The song has stayed on the chart for 77 weeks, making it the third longest running song on the chart. "What a Beautiful Name" is ranked as the No. 1 song of the year for 2017 on the Christian Digital Sales chart, No. 3 on Christian Streaming Songs, and is also the No. 3 song on Christian Airplay. The song spent nine weeks as No. 1 on Christian Airplay and was Hillsong Worship's first No. 1