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
Howard Davis (professor of architecture) Christopher Alexander on "The Production of Houses" (1985), an account of an innovative housing project in Mexicali, Baja California, Mexico. His current research is concerned with urban buildings that combine commercial and residential uses; museums and memorials to war; housing; and American architectural education. His latest book is "Living Over the Store: Architecture and Local Urban Life." Davis was founding co-editor of "Buildings & Landscapes", the journal of the Vernacular Architecture Forum. The Association of Collegiate Schools of Architecture honored Davis with the ACSA Distinguished Professor Award in 2009. Howard Davis (professor of architecture) Howard Davis is an American writer