Rubik's Cube Rubik's Cube 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. , 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. On the original classic Rubik's Cube, each of the
D-3 (video) format-specific recognition holes. Maximum D-3 runtimes (in the Fujifilm lineup) are 50, 126, and 248 minutes. The D-3 format is now regarded as obsolete. In the 1990s the BBC embarked on a massive project to copy its older video tapes onto D-3, but the D-3 cassettes themselves have become unstable and are being transferred again, although there is doubt over whether the surviving D-3 machines will last long enough to play the 340,000 tapes which the corporation holds. D-3 (video) D-3 is an uncompressed composite digital video videocassette format invented at NHK, and introduced commercially by Panasonic in 1991 to