The May 19 Google doodle pays tribute to the invention in the spring of 1974 of the Rubik's Cube by Hungarian inventor and architect Erno Rubik.
The famous cube has gotten its share of coverage in MAA publications over the years. Here, in celebration of the puzzle's 40th birthday, is a selection of related papers:
- "Write Your Own Recipe for Rubik's Cube," by Burkard Polster, Math Horizons April 2013
- "Rubik's Tesseract," by Dan Velleman, Mathematics Magazine February 1992
- "Kepler's Spheres and Rubik's Cube," by James G. Propp, Mathematics Magazine October 1988
- "Cubelike Puzzles—What Are They and How Do You Solve Them?" by J. A. Eidswick, The American Mathematical Monthly March 1986
- "Rubik's Groups," by Edward C. Turner and Karen F. Gold, The American Mathematical Monthly November 1985
- "A Bug's Shortest Path on a Cube," by Weixuan Li and Edwatd T. H. Wang, Mathematics Magazine September 1985
- "The Slice Group in Rubik's Cube," by David Hecker and Ranan Banerji, Mathematics Magazine September 1985
- "Rubik's Revenge: The Group Theoretical Solution," by Mogens Estom Larsen, The American Mathematical Monthly June-July 1985
- "Teaching Mathematics with Rubik's Cube," by Tom Davis, The Two-Year College Mathematics Journal June 1982