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
Rachel Stevens (sculptor) at the Lviv Center for Urban History of East Central Europe. Stevens's work has interpreted the Holocaust in Ukraine in a series of sculptures called "The Broken Fragments of My Heart". They reimagine the deep ravines of Ukraine where more than a million Jews were shot during World War II by the German SS and police death squads in what became known as "Holocaust by bullet". Rachel Stevens (sculptor) Rachel Stevens is a sculptor, professor of art at New Mexico State University and a Fulbright Scholar. Stevens has exhibited both in the United States and internationally. Stevens's public sculpture, "You