The Rubik Cube Turns 50Siobhan Roberts7/1/2024Mathematicians and hobbyists have had a half-century of fun exploring the some 43 billion billion permutations of Erno Rubik’s creation.... Original Tags: billion | turns Let us know what you think! Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post.