10, 9, 8, 7, 6, 5, 4, 3, 2, 1 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 is the fourth studio album by Midnight Oil that was released on vinyl in 1982 under the Columbia Records label. It peaked at No. 3 on the Australian Kent Music Report Albums Chart and remained on the chart for 171 weeks. In October 2010, the album was listed in the top 30 in the book, "100 Best Australian Albums" with 1987's "Diesel and Dust" at No. 1. In July 2011, the album was listed in Triple J Hottest 100 Australian
9-orthoplex 9-orthoplex In geometry, a 9-orthoplex or 9-cross polytope, is a regular 9-polytope with 18 vertices, 144 edges, 672 triangle faces, 2016 tetrahedron cells, 4032 5-cells "4-faces", 5376 5-simplex "5-faces", 4608 6-simplex "6-faces", 2304 7-simplex "7-faces", and 512 8-simplex "8-faces". It has two constructed forms, the first being regular with Schläfli symbol {3,4}, and the second with alternately labeled (checkerboarded) facets, with Schläfli symbol {3,3} or Coxeter symbol 6. It is one of an infinite family of polytopes, called cross-polytopes or "orthoplexes". The dual polytope is the 9-hypercube or enneract. There are two Coxeter groups associated with the 9-orthoplex, one regular,