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The infinity symbol (∞) is a mathematical symbol representing the concept of infinity.This symbol is also called a lemniscate, [1] after the lemniscate curves of a similar shape studied in algebraic geometry, [2] or "lazy eight", in the terminology of livestock branding.
Analemma, the figure-eight shaped curve traced by the noontime positions of the sun in the sky over the course of a year; Infinity symbol; Lemniscates as generalized conics; Lorenz attractor, a three-dimensional dynamic system exhibiting a lemniscate shape; Polynomial lemniscate, a level set of the absolute value of a complex polynomial
Figure 8 racing, a category of auto racing related to the demolition derby; Figure 8 roller coaster, a track design; Figure 8, shape from which compulsory figures in ice skating are derived; Figure 8, a riding figure used in the training of horses; Figure-eight, type of noseband; Figure eight turn, man overboard rescue turn in sailing
The figure eight knot complement is a double-cover of the Gieseking manifold, which has the smallest volume among non-compact hyperbolic 3-manifolds. The figure-eight knot and the (−2,3,7) pretzel knot are the only two hyperbolic knots known to have more than 6 exceptional surgeries , Dehn surgeries resulting in a non-hyperbolic 3-manifold ...
The Indianapolis Speedrome is the oldest operating figure 8 track in the United States as it opened in 1941. [1] It is believed by many historians that this is the first figure 8 track where cars intersect. The Speedrome is home to the World Figure 8 Championships, the Annual Spring Shootout, and the 3 Hour Endurance Race. [2]
Figure 8 is the fifth studio album by singer-songwriter Elliott Smith, released in the year 2000, [80] an album released by Julia Darling in 1999, [81] and an album released by Outasight in 2011. [82] Ming Hao from the k-pop group Seventeen goes by the name "The8". [83] "8 (circle)" is the eighth song on the album 22, A Million by the American ...
Cottage-loaf sign, that is, chest X-ray appearance similar to a cottage loaf, also known as the 'snow man' sign or 'figure of 8' sign. [ 2 ] Total anomalous pulmonary venous connection (TAPVR)
A figure-eight descender. The figure 8 belay device is a piece of metal (usually an aluminum alloy) in the shape of an 8 with one large end and one small end.