Rubik's family cubes of all sizes Rubik's family cubes of all sizes The original Rubik's cube was a mechanical 3×3×3 cube puzzle invented in 1974 by the Hungarian sculptor and professor of architecture Ernő Rubik. Extensions of the Rubik's cube have been around for a long time and come in both hardware and software forms. The major extension have been the availability of cubes of larger size and the availability of the more complex cubes with marked centres. The properties of Rubik’s family cubes of any size together with some special attention to software cubes is the main focus of this article. Many properties are mathematical
3-D Man of a normal human being. In addition, 3-D Man had the limited quasi-telepathic ability to perceive the distinctive aura of the Skrull race, even when a Skrull has assumed another form. Chuck was an expert pilot and a talented football player. Hal is an experienced scientific researcher. Hal is astigmatic, and requires special glasses. A poliomyelitis victim as a child, he now requires crutches to walk. In "What If" vol. 1, #9, FBI agent Jimmy Woo brought the 3-D Man together with several other heroes, including Gorilla-Man, Human Robot, Marvel Boy, and Venus, to form the 1950s Avengers. These heroes