Rubik's Cube is a 3-D 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 Ideal Toy Corp. in 1980 via businessman Tibor Laczi and Seven Towns founder Tom Kremer and won the German Game of the Year special award for Best Puzzle that year. As of January 2009, 350 million cubes had been sold worldwide, making it the world's top-selling puzzle game. It is widely considered to be the world's best-selling toy.
The Rubik's Revenge is a 4×4×4 version of Rubik's Cube. It was released in 1981. Invented by Péter Sebestény, the Rubik's Revenge 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 facets: the centre facets are free to move to different positions.
Rubik's Magic, like Rubik's Cube, is a mechanical puzzle invented by Ernő Rubik and first manufactured by Matchbox in the mid-1980s.
The Pocket Cube is the 2×2×2 equivalent of a Rubik's Cube. The cube consists of 8 pieces, all corners.
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 Erno Rubik, and introduced by Tomy Toys of Japan in 1981.
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.
Édouard Chambon (Valence), is a French software engineer who was world record holder for fastest single time on a 3x3x3 Rubik's Cube with a time of 9.18 seconds and fastest average time of 11.48 seconds. These records were set at the Murcia Open February 23, 2008.
Yu Nakajima is a Japanese Rubik's Cube solver.
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, some of which have mechanisms which improve on the original. Like the 5×5×5, the V-Cube 7 has both fixed and movable center facets.
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. Limeback's official YouTube channel has tutorials on how to solve a Rubik's Cube blindfolded. 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.
RuBot II is a Rubik's Cube solving robot developed by Irish roboticist and inventor Pete Redmond. RuBot II was formerly the world's fastest Rubik's Cube-solving robot, and appeared as such in the 2010 Guinness Book of World Records, although its best time has since been well surpassed by a robot called Ruby built at Swinburne University of Technology in Melbourne, Australia in 2011.
Feliks Aleksanders Zemdegs is an Australian Rubik's Cube speedsolver. He is the only speedcuber to ever win the World Cube Association World Championship twice.
Anthony Michael Brooks is an American speed cubing champion. He specializes in the 2x2 cube and classic 3x3 cube, and has been officially ranked in the top five in the world in both categories as recognized by the World Cube Association. Since learning to solve the cube in March 2008, Brooks has become known for developing advanced speedsolving methods as well as frequently promoting speedcubing in the media. While working as the Liberty Science Center's Speedcuber-in-Residence, Brooks set the Guinness World Record for most Rubik's Cubes solved underwater in a single breath, and also led the team that currently holds the world record for solving the Groovik's Cube, the world's largest functioning Rubik's Cube. In July 2017, Brooks was featured on the debut season of FOX's Superhuman TV show.
CubeStormer II is a robot built primarily with Lego Mindstorms and a Samsung Galaxy S2 for solving a Rubik's Cube. The project was commissioned by ARM Holdings and designed and built by Mike Dobson and David Gilday.
Mats Valk is a Dutch Rubik's Cube speedsolver. He broke the Rubik's cube single solve world record twice with times of 5.55 seconds in 2013 and 4.74 seconds in 2016. He won the Rubik's Cube European Championship in 2018 and was runner-up for 3x3x3 at the Rubik's Cube World Championships in 2013 and 2015 and won the European Championship 2018.
Lego Mindstorms EV3 is the third generation robotics kit in Lego's Mindstorms line. It is the successor to the second generation Lego Mindstorms NXT 2.0 kit. The "EV" designation refers to the "evolution" of the Mindstorms product line. "3" refers to the fact that it is the third generation of computer modules - first was the RCX and the second is the NXT. It was officially announced on January 4, 2013 and was released in stores on September 1, 2013. The education edition was released on August 1, 2013. There are many competitions using this set. Among them are the First Lego League and the World Robot Olympiad.
Drew Brads is an American Rubik's cube speedsolver.
Collin Burns is a speedcuber from the United States.
Lucas Etter is an American speedcuber who previously held the world record for fastest single Rubik's Cube solve, 4.90 seconds, set at River Hill Fall 2015 on 21 November 2015 when he was 14. Etter’s solve made him the first person to break the five second barrier in official competition.. Etter is currently ranked 5th in the world for 3x3x3 average of five solves.
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.
