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The V-Cube 7 is a combination puzzle in the form of a 7×7×7 cube. The first mass-produced 7×7×7 was invented by Panagiotis Verdes and is produced by the Greek company Verdes Innovations SA. Other such puzzles have since been introduced by a number of Chinese companies, [ 1 ] some of which have mechanisms which improve on the original.
In 2014, the Internet channel "7x7 TV" was launched on YouTube. [6] From September 2013 to September 2017, traffic increased from 61 thousand to 182 thousand unique visitors per month, the number of articles devoted to news about the Komi Republic decreased from 3–4 to 1-2 per day. [7]
7x7 may refer to: Boeing 7x7 series, Boeing's "7-Series" of airliners; Boeing 767, wide-body aircraft codenamed "7X7" during development; 7x7, a San Francisco-focused fashion, food, and entertainment magazine; 7x7 (website), a Russian website; V-Cube 7, the 7×7×7 version of Rubik's Cube
Three contestants – each seated at either a red, green, or blue desk – competed to answer trivia questions and acquire squares on a 7x7 split-flap game board. Seven grade levels, covering elementary school and grades 7 through 12, ran along the top of the board, while seven categories ran down the left edge.
In geometry, a 7-cube is a seven-dimensional hypercube with 128 vertices, 448 edges, 672 square faces, 560 cubic cells, 280 tesseract 4-faces, 84 penteract 5-faces, and 14 hexeract 6-faces. It can be named by its Schläfli symbol {4,3 5 }, being composed of 3 6-cubes around each 5-face.
A wider family are the uniform 7-polytopes, constructed from fundamental symmetry domains of reflection, each domain defined by a Coxeter group. Each uniform polytope is defined by a ringed Coxeter-Dynkin diagram. The 7-demicube is a unique polytope from the D 7 family, and 3 21, 2 31, and 1 32 polytopes from the E 7 family.
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Other, usually more recently available, hardware forms of the cube come in size 2 (Pocket Cube), size 5 (Professor's Cube), size 6 (V-Cube 6), and size 7 (V-Cube 7). Lesser known hardware cubes of larger sizes have also been produced. Currently, the largest hardware cube made is size 49, and the largest mass-produced is size 21. [1]