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The Rubik's Cube is a 3D combination puzzle invented in 1974 by Hungarian sculptor and professor of architecture Ernő Rubik. Originally called the Magic Cube, the puzzle was licensed by Rubik to be sold by Pentangle Puzzles in the UK in 1978, and then by Ideal Toy Corp in 1980 via businessman Tibor Laczi and Seven Towns founder Tom Kremer. The cube was released internationally in 1980 and became one of the most recognized icons in popular culture. It won the 1980 German Game of the Year special award for Best Puzzle. As of January 2024, around 500 million cubes had been sold worldwide, making it the world's bestselling puzzle game and bestselling toy. The Rubik's Cube was inducted into the US National Toy Hall of Fame in 2014.
The Rubik's Revenge is a 4×4×4 version of the Rubik's Cube. It was released in 1981. Invented by Péter Sebestény, the cube was nearly called the Sebestény Cube until a somewhat last-minute decision changed the puzzle's name to attract fans of the original Rubik's Cube. Unlike the original puzzle, it has no fixed faces: the center faces are free to move to different positions.
The Pocket Cube is a 2×2×2 combination puzzle invented in 1970 by American puzzle designer Larry D. Nichols. The cube consists of 8 pieces, all corners.
Minh Thai is a Vietnamese-American speedcuber. As a sixteen-year-old Eagles Rock High School student from Los Angeles, he won the first world championship on June 5, 1982 in Budapest by solving a Rubik's Cube in 22.95 seconds. He is also the author of the book The Winning Solution (1982), a guide to solving the cube. Later, Ortega Corners-First Solution Method for Rubik's Cube was based on Minh Thai's Winning Solution.
Speedcubing, also referred to as speedsolving, is a competitive sport centered around the rapid solving of various combination puzzles. The most prominent puzzle in this category is the 3x3x3 puzzle, commonly known as the Rubik's Cube. Participants in this sport are known as "speedcubers," who focus specifically on solving these puzzles at high speeds, or more generally as "cubers". The essential aspect of solving these puzzles typically involves executing a series of predefined algorithms in a particular sequence.
The Professor's Cube is a 5×5×5 version of the original Rubik's Cube. It has qualities in common with both the 3×3×3 Rubik's Cube and the 4×4×4 Rubik's Revenge, and solution strategies for both can be applied.
The Pyraminx is a regular tetrahedron puzzle in the style of Rubik's Cube. It was made and patented by Uwe Mèffert after the original 3 layered Rubik's Cube by Ernő Rubik, and introduced by Tomy Toys of Japan in 1981.
The Square-1 is a variant of the Rubik's Cube. Its distinguishing feature among the numerous Rubik's Cube variants is that it can change shape as it is twisted, due to the way it is cut, thus adding an extra level of challenge and difficulty. The Super Square One and Square Two puzzles have also been introduced. The Super Square One has two additional layers that can be scrambled and solved independently of the rest of the puzzle, and the Square Two has extra cuts made to the top and bottom layer, making the edge and corner wedges the same size.
The Megaminx or Mégaminx is a dodecahedron-shaped puzzle similar to the Rubik's Cube. It has a total of 50 movable pieces to rearrange, compared to the 20 movable pieces of the Rubik's Cube.
Lars Erik Petrus is a Swedish accomplished speedcuber. He has been described as a Rubik's Cube icon and master.
The CFOP method, also known as the Fridrich method, is one of the most commonly used methods in speedsolving a 3×3×3 Rubik's Cube. It is one of the fastest methods. This method was first developed in the early 1980s, combining innovations by a number of speed cubers. Jessica Fridrich, a Czech speed cuber and the namesake of the method, is generally credited for popularizing it by publishing it online in 1997.
Tyson Mao is a Taiwanese-American Rubik's Cube speedsolver. He is a co-founder and a former board member of the World Cube Association, an organization that holds competitive events for the Rubik's Cube. In 2005, he set the world record for 3x3x3 blindfolded. In 2006, he appeared on the CW Television Network's Beauty and the Geek as one of the participants of the second incarnation of the reality television show.
Bob Burton is an American speedcuber, most famous for competing in and organizing competitions all over the world and his former world records on the Rubik's Magic and Rubik's Master Magic.
Christopher Michael Hardwick is an American competitive speedcuber.
The V-Cube 6 is a 6×6×6 version of the original Rubik's Cube. The first mass-produced 6×6×6 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, most of which have mechanisms which improve on the original. Unlike the original puzzle, it has no fixed facets: the center facets are free to move to different positions.
Eric Limeback is a Canadian speedcuber. He is known for his 11/11 3x3x3 multiblindfold Canadian record solve, as well as his standard 3x3x3 blindfolded solving. Limeback was the first Canadian to record a sub-30 second official 3x3x3 blindfolded solve. Limeback began solving the Rubik's Cube in 9th grade. He graduated from Marc Garneau Collegiate Institute in 2010. He formerly held the Guinness World Record for the most 3x3x3 cubes solved in 24 hours, 5800, set from 3–4 October 2013 at Wilfrid Laurier University, Canada.
The Simple Solution to Rubik's Cube by James G. Nourse is a book that was published in 1981. The book explains how to solve the Rubik's Cube. The book became the best-selling book of 1981, selling 6,680,000 copies that year. It was the fastest-selling title in the 36-year history of Bantam Books.
Feliks Aleksanders Zemdegs is an Australian Rubik's Cube speedsolver. He is one of the only two speedcubers ever to win the World Cube Association World Championship twice, winning in 2013 and 2015, and is widely considered the most successful and greatest speedcuber of all time. He has set more than 350 records across various speedcubing events: 121 world records, 214 continental records, and 7 national records.
The Layer by Layer method, also known as the beginners' method, is a method of solving the 3x3x3 Rubik's Cube. Many beginners' methods use this approach, and it also forms the basis of the CFOP speedcubing technique.
Krishnam Raju Gadiraju is an Indian speedcuber and unicyclist. He is a six-time world record holder and the first Indian to ever set a world record in speedcubing and unicycling.
References
- Man solves Rubik’s Cube in 11.13 seconds Associated Press NBC News Updated: 11:48 a.m. ET Jan 15, 2006
- Leyan Lo's website: http://www.leyanlo.com/
